Windows Analysis Report GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709212890.exe
Overview
General Information
Detection
Score: | 68 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
Process Tree |
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Malware Configuration |
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Threatname: GuLoader |
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{"Payload URL": "https://drive.google.com/uc?export=download&id=1qlA"}
Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security |
Sigma Overview |
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No Sigma rule has matched |
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Jbx Signature Overview |
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Click to jump to signature section
AV Detection: |
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Found malware configuration | Show sources |
Source: | Malware Configuration Extractor: |
Multi AV Scanner detection for submitted file | Show sources |
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Source: | Static PE information: |
Networking: |
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C2 URLs / IPs found in malware configuration | Show sources |
Source: | URLs: |
Source: | Static PE information: |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Source: | Static PE information: |
Source: | Code function: | 0_2_021F76A5 |
Source: | Virustotal: | ||
Source: | ReversingLabs: |
Source: | File created: | Jump to behavior |
Source: | Static PE information: |
Source: | Key opened: | Jump to behavior |
Source: | Section loaded: | Jump to behavior |
Source: | Classification label: |
Data Obfuscation: |
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Yara detected GuLoader | Show sources |
Source: | File source: |
Source: | Code function: | 0_2_004037A5 | |
Source: | Code function: | 0_2_00406561 | |
Source: | Code function: | 0_2_00403561 | |
Source: | Code function: | 0_2_00404FFC | |
Source: | Code function: | 0_2_021F2631 | |
Source: | Code function: | 0_2_021F0AE0 | |
Source: | Code function: | 0_2_021F1310 | |
Source: | Code function: | 0_2_021F0FEA | |
Source: | Code function: | 0_2_021F3189 |
Source: | Process information set: | Jump to behavior |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Code function: | 0_2_021F9CAA |
Source: | Code function: | 0_2_021F965B | |
Source: | Code function: | 0_2_021FCBD3 |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Code function: | 0_2_021F9CAA |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Mitre Att&ck Matrix |
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Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Exfiltration | Command and Control | Network Effects | Remote Service Effects | Impact |
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Valid Accounts | Windows Management Instrumentation | Path Interception | Process Injection1 | Process Injection1 | OS Credential Dumping | Security Software Discovery1 | Remote Services | Archive Collected Data1 | Exfiltration Over Other Network Medium | Encrypted Channel1 | Eavesdrop on Insecure Network Communication | Remotely Track Device Without Authorization | Modify System Partition |
Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | Boot or Logon Initialization Scripts | Obfuscated Files or Information1 | LSASS Memory | Process Discovery1 | Remote Desktop Protocol | Data from Removable Media | Exfiltration Over Bluetooth | Application Layer Protocol1 | Exploit SS7 to Redirect Phone Calls/SMS | Remotely Wipe Data Without Authorization | Device Lockout |
Domain Accounts | At (Linux) | Logon Script (Windows) | Logon Script (Windows) | Obfuscated Files or Information | Security Account Manager | System Information Discovery1 | SMB/Windows Admin Shares | Data from Network Shared Drive | Automated Exfiltration | Steganography | Exploit SS7 to Track Device Location | Obtain Device Cloud Backups | Delete Device Data |
Behavior Graph |
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Screenshots |
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Thumbnails
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Antivirus, Machine Learning and Genetic Malware Detection |
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Initial Sample |
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Source | Detection | Scanner | Label | Link |
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25% | Virustotal | Browse | ||
14% | ReversingLabs |
Dropped Files |
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No Antivirus matches |
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Unpacked PE Files |
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No Antivirus matches |
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Domains |
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No Antivirus matches |
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URLs |
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No Antivirus matches |
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Domains and IPs |
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General Information |
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Joe Sandbox Version: | 33.0.0 White Diamond |
Analysis ID: | 491606 |
Start date: | 27.09.2021 |
Start time: | 18:35:52 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 5m 29s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Sample file name: | GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709212890.exe |
Cookbook file name: | default.jbs |
Analysis system description: | Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211 |
Number of analysed new started processes analysed: | 24 |
Number of new started drivers analysed: | 0 |
Number of existing processes analysed: | 0 |
Number of existing drivers analysed: | 0 |
Number of injected processes analysed: | 0 |
Technologies: |
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Analysis Mode: | default |
Analysis stop reason: | Timeout |
Detection: | MAL |
Classification: | mal68.troj.winEXE@1/0@0/0 |
EGA Information: | Failed |
HDC Information: |
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HCA Information: | Failed |
Cookbook Comments: |
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Warnings: | Show All
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Simulations |
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Behavior and APIs |
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No simulations |
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Joe Sandbox View / Context |
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Created / dropped Files |
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No created / dropped files found |
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Static File Info |
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General | |
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File type: | |
Entropy (8bit): | 6.27152818261402 |
TrID: |
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File name: | GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709212890.exe |
File size: | 102400 |
MD5: | 917a78f3605abfda3674fe5264a721e9 |
SHA1: | c753e171b3ef5b974d70de7247734e3008841fd2 |
SHA256: | 03e08e44d9df2a0ecc7824cc1b8f41e200cee531be111ee21d56ae1a5e05821a |
SHA512: | b47adccf86fe1998de864d46a71a7b40efa8846b969ffc175fa2a345000f7f9b472c223c040b58fbda1511bfb5b0c58bb3b309ad276c3ad41e05234107eba67f |
SSDEEP: | 3072:ybQFnVb1t7zwaWVXpDMDeUtulrRMMBSy7gSNYS:WMnh1twaWh2DeUtulrRMuSy7gg |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......u...1...1...1.......0...~...0.......0...Rich1...........PE..L.....xY.................P...0...............`....@................ |
File Icon |
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Icon Hash: | 78f8d6d4ac88d0e2 |
Static PE Info |
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General | |
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Entrypoint: | 0x4012d4 |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x400000 |
Subsystem: | windows gui |
Image File Characteristics: | LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED |
DLL Characteristics: | |
Time Stamp: | 0x597805FC [Wed Jul 26 03:01:16 2017 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 4 |
OS Version Minor: | 0 |
File Version Major: | 4 |
File Version Minor: | 0 |
Subsystem Version Major: | 4 |
Subsystem Version Minor: | 0 |
Import Hash: | 1eb0aaa4f15bbd841e91215ce68e26d2 |
Entrypoint Preview |
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Instruction |
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push 00413868h |
call 00007F24D0A47325h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
xor byte ptr [eax], al |
add byte ptr [eax], al |
cmp byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
cmpsd |
sbb byte ptr [ebp-305F6254h], 00000048h |
stosb |
cmp dword ptr [ecx+464A995Ch], edi |
pop ebx |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add dword ptr [eax], eax |
add byte ptr [eax], al |
add byte ptr [eax], al |
or cl, ch |
add eax, dword ptr [ebx] |
push edx |
imul si, word ptr [00004100h], 0000h |
add bh, bh |
int3 |
xor dword ptr [eax], eax |
add dword ptr [ecx+0A16C4FDh], eax |
pop edi |
inc dword ptr [esp+ebp*4-32h] |
out dx, al |
test dword ptr [esi+ecx*8], esp |
fld tbyte ptr [esi] |
pop ebx |
and dh, dl |
pop ebx |
push ecx |
sub al, F8h |
dec eax |
mov dl, 84h |
inc edx |
sub bl, ch |
bound edi, dword ptr [ecx+28h] |
cmp cl, byte ptr [edi-53h] |
xor ebx, dword ptr [ecx-48EE309Ah] |
or al, 00h |
stosb |
add byte ptr [eax-2Dh], ah |
xchg eax, ebx |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
call far 000Ah : F7000124h |
add byte ptr [eax], al |
add al, 00h |
jc 00007F24D0A47394h |
jbe 00007F24D0A47332h |
or eax, 43000601h |
outsd |
jbe 00007F24D0A47397h |
outsb |
cmp dword ptr [eax], eax |
sbb dword ptr [ecx], eax |
add byte ptr [edx+00h], al |
and esi, dword ptr [esi+6C00000Ah] |
Data Directories |
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Name | Virtual Address | Virtual Size | Is in Section |
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IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x14f34 | 0x28 | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x17000 | 0x1cb0 | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_TLS | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x228 | 0x20 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x1000 | 0xdc | .text |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Sections |
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Name | Virtual Address | Virtual Size | Raw Size | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
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.text | 0x1000 | 0x14308 | 0x15000 | False | 0.561941964286 | data | 6.66841189519 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.data | 0x16000 | 0x9f4 | 0x1000 | False | 0.00634765625 | data | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.rsrc | 0x17000 | 0x1cb0 | 0x2000 | False | 0.263427734375 | data | 3.45335815554 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
Resources |
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Name | RVA | Size | Type | Language | Country |
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CUSTOM | 0x18b72 | 0x13e | MS Windows icon resource - 1 icon, 16x16, 16 colors | English | United States |
CUSTOM | 0x185f4 | 0x57e | MS Windows icon resource - 1 icon, 16x16, 8 bits/pixel | English | United States |
CUSTOM | 0x18076 | 0x57e | MS Windows icon resource - 1 icon, 16x16, 8 bits/pixel | English | United States |
CUSTOM | 0x17f38 | 0x13e | MS Windows icon resource - 1 icon, 16x16, 16 colors | English | United States |
RT_ICON | 0x178d0 | 0x668 | dBase IV DBT of `.DBF, block length 1536, next free block index 40, next free block 252, next used block 65280 | ||
RT_ICON | 0x175e8 | 0x2e8 | data | ||
RT_ICON | 0x174c0 | 0x128 | GLS_BINARY_LSB_FIRST | ||
RT_GROUP_ICON | 0x17490 | 0x30 | data | ||
RT_VERSION | 0x17230 | 0x260 | data | English | United States |
Imports |
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DLL | Import |
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MSVBVM60.DLL | _CIcos, _adj_fptan, __vbaFreeVar, __vbaStrVarMove, __vbaFreeVarList, _adj_fdiv_m64, _adj_fprem1, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaAryDestruct, __vbaOnError, __vbaObjSet, _adj_fdiv_m16i, _adj_fdivr_m16i, __vbaFpR8, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaGenerateBoundsError, __vbaStrCmp, _adj_fpatan, __vbaRedim, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, _CIlog, __vbaErrorOverflow, __vbaNew2, _adj_fdiv_m32i, _adj_fdivr_m32i, _adj_fdivr_m32, _adj_fdiv_r, __vbaFpI4, _CIatan, __vbaStrMove, _allmul, _CItan, _CIexp, __vbaFreeObj, __vbaFreeStr |
Version Infos |
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Description | Data |
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Translation | 0x0409 0x04b0 |
InternalName | elect |
FileVersion | 1.00 |
CompanyName | CelRox |
Comments | CelRox |
ProductName | CelRox |
ProductVersion | 1.00 |
FileDescription | CelRox |
OriginalFilename | elect.exe |
Possible Origin |
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Language of compilation system | Country where language is spoken | Map |
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English | United States |
Network Behavior |
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Network Port Distribution |
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UDP Packets |
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Timestamp | Source Port | Dest Port | Source IP | Dest IP |
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Sep 27, 2021 18:36:46.098346949 CEST | 62060 | 53 | 192.168.2.5 | 8.8.8.8 |
Sep 27, 2021 18:36:46.125494003 CEST | 53 | 62060 | 8.8.8.8 | 192.168.2.5 |
Sep 27, 2021 18:37:01.868557930 CEST | 61805 | 53 | 192.168.2.5 | 8.8.8.8 |
Sep 27, 2021 18:37:01.943975925 CEST | 53 | 61805 | 8.8.8.8 | 192.168.2.5 |
Sep 27, 2021 18:37:18.625641108 CEST | 54795 | 53 | 192.168.2.5 | 8.8.8.8 |
Sep 27, 2021 18:37:18.638983965 CEST | 53 | 54795 | 8.8.8.8 | 192.168.2.5 |
Sep 27, 2021 18:37:37.299892902 CEST | 49557 | 53 | 192.168.2.5 | 8.8.8.8 |
Sep 27, 2021 18:37:37.318571091 CEST | 53 | 49557 | 8.8.8.8 | 192.168.2.5 |
Sep 27, 2021 18:37:47.451004028 CEST | 61733 | 53 | 192.168.2.5 | 8.8.8.8 |
Sep 27, 2021 18:37:47.480217934 CEST | 53 | 61733 | 8.8.8.8 | 192.168.2.5 |
Sep 27, 2021 18:37:56.596659899 CEST | 65447 | 53 | 192.168.2.5 | 8.8.8.8 |
Sep 27, 2021 18:37:56.626594067 CEST | 53 | 65447 | 8.8.8.8 | 192.168.2.5 |
Sep 27, 2021 18:38:00.439043045 CEST | 52441 | 53 | 192.168.2.5 | 8.8.8.8 |
Sep 27, 2021 18:38:00.471959114 CEST | 53 | 52441 | 8.8.8.8 | 192.168.2.5 |
Sep 27, 2021 18:38:05.798922062 CEST | 62176 | 53 | 192.168.2.5 | 8.8.8.8 |
Sep 27, 2021 18:38:05.821412086 CEST | 53 | 62176 | 8.8.8.8 | 192.168.2.5 |
Sep 27, 2021 18:38:40.673437119 CEST | 59596 | 53 | 192.168.2.5 | 8.8.8.8 |
Sep 27, 2021 18:38:40.687772036 CEST | 53 | 59596 | 8.8.8.8 | 192.168.2.5 |
Sep 27, 2021 18:38:42.141786098 CEST | 65296 | 53 | 192.168.2.5 | 8.8.8.8 |
Sep 27, 2021 18:38:42.156533003 CEST | 53 | 65296 | 8.8.8.8 | 192.168.2.5 |
Code Manipulations |
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Statistics |
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CPU Usage |
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Click to jump to process
Memory Usage |
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Click to jump to process
System Behavior |
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General |
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Start time: | 18:36:49 |
Start date: | 27/09/2021 |
Path: | C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709212890.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 102400 bytes |
MD5 hash: | 917A78F3605ABFDA3674FE5264A721E9 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | Visual Basic |
Yara matches: |
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Reputation: | low |
Disassembly |
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Code Analysis |
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Executed Functions |
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APIs |
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Strings |
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
APIs |
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Strings |
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Non-executed Functions |
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Function 021F76A5, Relevance: .2, Instructions: 205COMMON
Memory Dump Source |
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Yara matches |
Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021F965B, Relevance: .0, Instructions: 9COMMON
Memory Dump Source |
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Yara matches |
Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021F9CAA, Relevance: .0, Instructions: 6COMMON
Memory Dump Source |
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Yara matches |
Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021FCBD3, Relevance: .0, Instructions: 6COMMON
Memory Dump Source |
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Yara matches |
Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 004149E0, Relevance: 71.0, APIs: 47, Instructions: 452COMMON
APIs |
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Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 00414820, Relevance: 16.6, APIs: 11, Instructions: 128COMMON
APIs |
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Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |