Windows Analysis Report pRcHGlVekw
Overview
General Information
Detection
Score: | 80 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
Process Tree |
---|
|
Malware Configuration |
---|
Threatname: GuLoader |
---|
{"Payload URL": "http://101.99.94.119/WEALTH_fkWglQyCXO188.binkw"}
Yara Overview |
---|
Memory Dumps |
---|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security |
Sigma Overview |
---|
No Sigma rule has matched |
---|
Jbx Signature Overview |
---|
Click to jump to signature section
AV Detection: |
---|
Found malware configuration | Show sources |
Source: | Malware Configuration Extractor: |
Multi AV Scanner detection for submitted file | Show sources |
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Machine Learning detection for sample | Show sources |
Source: | Joe Sandbox ML: |
Source: | Static PE information: |
Networking: |
---|
C2 URLs / IPs found in malware configuration | Show sources |
Source: | URLs: |
Source: | Binary or memory string: |
Source: | Process Stats: |
Source: | Code function: | 1_2_007459EA | |
Source: | Code function: | 1_2_00745A22 |
Source: | Code function: | 1_2_00742A67 | |
Source: | Code function: | 1_2_00748053 | |
Source: | Code function: | 1_2_00742021 | |
Source: | Code function: | 1_2_00743A2B | |
Source: | Code function: | 1_2_00748817 | |
Source: | Code function: | 1_2_007486D9 | |
Source: | Code function: | 1_2_00747C9A | |
Source: | Code function: | 1_2_00748960 | |
Source: | Code function: | 1_2_00741557 | |
Source: | Code function: | 1_2_00743944 | |
Source: | Code function: | 1_2_00742B4B | |
Source: | Code function: | 1_2_0074392D | |
Source: | Code function: | 1_2_00744111 | |
Source: | Code function: | 1_2_00743B1F | |
Source: | Code function: | 1_2_007497F3 | |
Source: | Code function: | 1_2_007479D6 |
Source: | Static PE information: | ||
Source: | Static PE information: |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Source: | Static PE information: |
Source: | Classification label: |
Source: | File created: | Jump to behavior |
Source: | Static PE information: |
Source: | Section loaded: | Jump to behavior |
Source: | Key opened: | Jump to behavior |
Source: | Virustotal: | ||
Source: | ReversingLabs: |
Data Obfuscation: |
---|
Yara detected GuLoader | Show sources |
Source: | File source: |
Source: | Code function: | 1_2_00407109 | |
Source: | Code function: | 1_2_00749EE0 | |
Source: | Code function: | 1_2_0074A03A | |
Source: | Code function: | 1_2_0074A036 | |
Source: | Code function: | 1_2_0074A02A | |
Source: | Code function: | 1_2_0074A032 | |
Source: | Code function: | 1_2_0074A02E | |
Source: | Code function: | 1_2_00749EE0 | |
Source: | Code function: | 1_2_007462B6 | |
Source: | Code function: | 1_2_00749EE0 | |
Source: | Code function: | 1_2_007497A3 |
Source: | Static PE information: |
Source: | Process information set: | Jump to behavior |
Malware Analysis System Evasion: |
---|
Tries to detect virtualization through RDTSC time measurements | Show sources |
Source: | RDTSC instruction interceptor: |
Source: | Code function: | 1_2_00747EB3 |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Anti Debugging: |
---|
Found potential dummy code loops (likely to delay analysis) | Show sources |
Source: | Process Stats: |
Source: | Code function: | 1_2_00747EB3 |
Source: | Code function: | 1_2_00748817 | |
Source: | Code function: | 1_2_00743944 | |
Source: | Code function: | 1_2_00747540 | |
Source: | Code function: | 1_2_0074392D | |
Source: | Code function: | 1_2_007455ED | |
Source: | Code function: | 1_2_00747BB8 |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Mitre Att&ck Matrix |
---|
Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Exfiltration | Command and Control | Network Effects | Remote Service Effects | Impact |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Valid Accounts | Windows Management Instrumentation | Path Interception | Process Injection1 | Virtualization/Sandbox Evasion11 | Input Capture1 | Security Software Discovery21 | Remote Services | Input Capture1 | 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 | Software Packing1 | LSASS Memory | Virtualization/Sandbox Evasion11 | Remote Desktop Protocol | Archive Collected Data1 | 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) | Process Injection1 | Security Account Manager | Process 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 |
Local Accounts | At (Windows) | Logon Script (Mac) | Logon Script (Mac) | Obfuscated Files or Information2 | NTDS | System Information Discovery11 | Distributed Component Object Model | Input Capture | Scheduled Transfer | Protocol Impersonation | SIM Card Swap | Carrier Billing Fraud |
Behavior Graph |
---|
Screenshots |
---|
Thumbnails
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Antivirus, Machine Learning and Genetic Malware Detection |
---|
Initial Sample |
---|
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
32% | Virustotal | Browse | ||
17% | ReversingLabs | Win32.Trojan.Fragtor | ||
100% | Joe Sandbox ML |
Dropped Files |
---|
No Antivirus matches |
---|
Unpacked PE Files |
---|
No Antivirus matches |
---|
Domains |
---|
No Antivirus matches |
---|
URLs |
---|
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
0% | Avira URL Cloud | safe |
Domains and IPs |
---|
Contacted Domains |
---|
No contacted domains info |
---|
Contacted URLs |
---|
Name | Malicious | Antivirus Detection | Reputation |
---|---|---|---|
true |
| unknown |
Contacted IPs |
---|
No contacted IP infos |
---|
General Information |
---|
Joe Sandbox Version: | 33.0.0 White Diamond |
Analysis ID: | 458794 |
Start date: | 03.08.2021 |
Start time: | 18:49:29 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 7m 52s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Sample file name: | pRcHGlVekw (renamed file extension from none to 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: | 30 |
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: |
|
Analysis Mode: | default |
Analysis stop reason: | Timeout |
Detection: | MAL |
Classification: | mal80.troj.evad.winEXE@1/0@0/0 |
EGA Information: | Failed |
HDC Information: |
|
HCA Information: | Failed |
Cookbook Comments: |
|
Warnings: | Show All
|
Simulations |
---|
Behavior and APIs |
---|
No simulations |
---|
Joe Sandbox View / Context |
---|
Created / dropped Files |
---|
No created / dropped files found |
---|
Static File Info |
---|
General | |
---|---|
File type: | |
Entropy (8bit): | 6.662154130313104 |
TrID: |
|
File name: | pRcHGlVekw.exe |
File size: | 114688 |
MD5: | d2cb32f7c7f384b4baa8dd13d6b5bbab |
SHA1: | 355acb5af5caaeb59fd7c9e0a54b501c24d47919 |
SHA256: | 2bd846bdda945dc48a21c9bda1497feb9e67df8cfb024cc8669041490c7c9a90 |
SHA512: | 0d620354c0c94604a37277c2029832d4aff586918821ed058f94fd0ab02817f7e9e48a4b53f221b0bb9617e9f5f349b0494e678694ac1d9053bb30f6b3766913 |
SSDEEP: | 1536:MfPqE74qa95aAmpcPTDo9flG6kPl9NIcGCp9bZYuQmiPY/peaja9QNE7YP:Mf5sR94AWc7Do3G60lM49eM/ptO9QeE |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........#...B...B...B..L^...B...`...B...d...B..Rich.B..........PE..L...IG.T.................@..........D........P....@................ |
File Icon |
---|
Icon Hash: | 6a4a266a2a3a2a2a |
Static PE Info |
---|
General | |
---|---|
Entrypoint: | 0x401144 |
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: | 0x54A54749 [Thu Jan 1 13:10:33 2015 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: | 5565993a5a9f2bfb76f28ab304be6bc1 |
Entrypoint Preview |
---|
Instruction |
---|
push 00406B3Ch |
call 00007F29B0B15565h |
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 |
dec eax |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [esi-0Ah], bl |
dec ecx |
neg byte ptr [edi+ebx*2+16A34338h] |
fisttp qword ptr [esi-28D14792h] |
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 |
inc edx |
add byte ptr [esi], al |
push eax |
add dword ptr [ecx], 53h |
push esp |
inc ebp |
dec esi |
push esp |
dec edi |
push edx |
push ebx |
push esp |
inc ebp |
dec ebp |
dec ebp |
inc ebp |
push edx |
dec esi |
inc ebp |
add byte ptr [eax], al |
add byte ptr [eax], al |
rcr byte ptr [ecx+03h], 00000000h |
add byte ptr [eax], al |
add bh, bh |
int3 |
xor dword ptr [eax], eax |
pop es |
dec edx |
or byte ptr [eax], ah |
std |
out 3Ah, al |
inc edi |
xchg byte ptr [edx+6Bh], bh |
out dx, eax |
in al, dx |
inc esp |
je 00007F29B0B15561h |
pop edi |
scasb |
add byte ptr [ebp-57B79F5Ch], bh |
lodsd |
je 00007F29B0B155AAh |
and esi, esp |
push es |
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 |
inc esi |
pop ecx |
add byte ptr [eax], al |
pop eax |
add byte ptr [eax], al |
add byte ptr [ecx], cl |
add byte ptr [esi+45h], al |
push esp |
dec ecx |
push ebx |
dec eax |
dec ecx |
push ebx |
inc ebp |
add byte ptr [00000001h], cl |
Data Directories |
---|
Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x14b54 | 0x28 | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x17000 | 0x5b8e | .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 | 0x7c | .text |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Sections |
---|
Name | Virtual Address | Virtual Size | Raw Size | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
---|---|---|---|---|---|---|---|---|
.text | 0x1000 | 0x13dd4 | 0x14000 | False | 0.651550292969 | data | 7.08042704515 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.data | 0x15000 | 0x115c | 0x1000 | False | 0.00634765625 | data | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.rsrc | 0x17000 | 0x5b8e | 0x6000 | False | 0.545694986979 | data | 6.03858270221 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
Resources |
---|
Name | RVA | Size | Type | Language | Country |
---|---|---|---|---|---|
RT_ICON | 0x1bce6 | 0xea8 | data | ||
RT_ICON | 0x1b43e | 0x8a8 | dBase IV DBT of @.DBF, block length 1024, next free block index 40, next free block 3641116991, next used block 3644398388 | ||
RT_ICON | 0x1aed6 | 0x568 | GLS_BINARY_LSB_FIRST | ||
RT_ICON | 0x1892e | 0x25a8 | data | ||
RT_ICON | 0x17886 | 0x10a8 | data | ||
RT_ICON | 0x1741e | 0x468 | GLS_BINARY_LSB_FIRST | ||
RT_GROUP_ICON | 0x173c4 | 0x5a | data | ||
RT_VERSION | 0x171e0 | 0x1e4 | data | Chinese | Taiwan |
Imports |
---|
DLL | Import |
---|---|
MSVBVM60.DLL | _CIcos, _adj_fptan, _adj_fdiv_m64, _adj_fprem1, __vbaHresultCheckObj, _adj_fdiv_m32, _adj_fdiv_m16i, _adj_fdivr_m16i, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, _adj_fpatan, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, _CIlog, __vbaErrorOverflow, _adj_fdiv_m32i, _adj_fdivr_m32i, _adj_fdivr_m32, _adj_fdiv_r, _CIatan, _allmul, _CItan, _CIexp |
Version Infos |
---|
Description | Data |
---|---|
Translation | 0x0404 0x04b0 |
ProductVersion | 1.00 |
InternalName | LIEGEMAN |
FileVersion | 1.00 |
OriginalFilename | LIEGEMAN.exe |
ProductName | KORPSENES |
Possible Origin |
---|
Language of compilation system | Country where language is spoken | Map |
---|---|---|
Chinese | Taiwan |
Network Behavior |
---|
No network behavior found |
---|
Code Manipulations |
---|
Statistics |
---|
CPU Usage |
---|
Click to jump to process
Memory Usage |
---|
Click to jump to process
System Behavior |
---|
General |
---|
Start time: | 18:50:17 |
Start date: | 03/08/2021 |
Path: | C:\Users\user\Desktop\pRcHGlVekw.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 114688 bytes |
MD5 hash: | D2CB32F7C7F384B4BAA8DD13D6B5BBAB |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | Visual Basic |
Yara matches: |
|
Reputation: | low |
Disassembly |
---|
Code Analysis |
---|
Executed Functions |
---|
APIs |
|
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
APIs |
|
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
C-Code - Quality: 69% |
|
APIs |
|
Strings |
|
Memory Dump Source |
|
|
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Non-executed Functions |
---|
Function 007497F3, Relevance: 2.6, Strings: 2, Instructions: 140COMMON
Strings |
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00747C9A, Relevance: 2.6, Strings: 2, Instructions: 67COMMON
Strings |
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00748053, Relevance: 1.6, Strings: 1, Instructions: 315COMMON
Strings |
|
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00742A67, Relevance: 1.5, Strings: 1, Instructions: 215COMMON
Strings |
|
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00744111, Relevance: 1.4, Strings: 1, Instructions: 140COMMON
Strings |
|
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00742021, Relevance: 1.4, Strings: 1, Instructions: 129COMMON
Strings |
|
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00741557, Relevance: 1.4, Strings: 1, Instructions: 118COMMON
Strings |
|
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 007479D6, Relevance: 1.3, Strings: 1, Instructions: 92COMMON
Strings |
|
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00748817, Relevance: .5, Instructions: 483COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00748960, Relevance: .3, Instructions: 291COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00743944, Relevance: .2, Instructions: 213COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00743A2B, Relevance: .2, Instructions: 208COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 0074392D, Relevance: .2, Instructions: 163COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00742B4B, Relevance: .1, Instructions: 147COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00743B1F, Relevance: .1, Instructions: 119COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 007486D9, Relevance: .1, Instructions: 67COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00747BB8, Relevance: .0, Instructions: 39COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00747EB3, Relevance: .0, Instructions: 13COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 007455ED, Relevance: .0, Instructions: 6COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |
Function 00747540, Relevance: .0, Instructions: 4COMMON
Memory Dump Source |
|
Yara matches |
Similarity |
|
Uniqueness |
Uniqueness Score: -1.00% |