Windows
Analysis Report
obs64.scr.exe
Overview
General Information
Detection
Score: | 72 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
- System is w10x64
- obs64.scr.exe (PID: 344 cmdline:
C:\Users\u ser\Deskto p\obs64.sc r.exe MD5: 8A43B78256248131B7EF4EC9CE5DC5C2)
- cleanup
Click to jump to signature section
AV Detection |
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Source: | ReversingLabs: | |||
Source: | Virustotal: | Perma Link |
Source: | Joe Sandbox ML: |
Source: | Static PE information: |
Source: | String found in binary or memory: |
Source: | Binary or memory string: |
System Summary |
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Source: | Static PE information: | ||
Source: | Static PE information: | ||
Source: | Static PE information: | ||
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | ReversingLabs: | ||
Source: | Virustotal: |
Source: | Key opened: | Jump to behavior |
Source: | Section loaded: | Jump to behavior |
Source: | File created: | Jump to behavior |
Source: | Classification label: |
Source: | Static file information: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Static PE information: | ||
Source: | Static PE information: | ||
Source: | Static PE information: | ||
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Static PE information: |
Hooking and other Techniques for Hiding and Protection |
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Source: | Memory written: | Jump to behavior | ||
Source: | Memory written: | Jump to behavior |
Source: | Process information set: | Jump to behavior |
Malware Analysis System Evasion |
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Source: | Special instruction interceptor: |
Source: | RDTSC instruction interceptor: | ||
Source: | RDTSC instruction interceptor: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Process information queried: | Jump to behavior |
Source: | System information queried: | Jump to behavior |
Anti Debugging |
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Source: | Thread information set: | Jump to behavior |
Source: | System information queried: | Jump to behavior |
Source: | Process queried: | Jump to behavior | ||
Source: | Process queried: | Jump to behavior | ||
Source: | Process queried: | Jump to behavior | ||
Source: | Process queried: | Jump to behavior |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
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 | Path Interception | 1 Masquerading | 1 Credential API Hooking | 32 Security Software Discovery | Remote Services | 1 Credential API Hooking | Exfiltration Over Other Network Medium | Data Obfuscation | 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 | 12 Virtualization/Sandbox Evasion | 1 Input Capture | 12 Virtualization/Sandbox Evasion | Remote Desktop Protocol | 1 Input Capture | Exfiltration Over Bluetooth | Junk Data | Exploit SS7 to Redirect Phone Calls/SMS | Remotely Wipe Data Without Authorization | Device Lockout |
Domain Accounts | At (Linux) | Logon Script (Windows) | Logon Script (Windows) | 1 Software Packing | Security Account Manager | 1 Process Discovery | 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) | 1 Obfuscated Files or Information | NTDS | 22 System Information Discovery | Distributed Component Object Model | Input Capture | Scheduled Transfer | Protocol Impersonation | SIM Card Swap | Carrier Billing Fraud |
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
27% | ReversingLabs | Win32.Trojan.Generic | ||
33% | Virustotal | Browse | ||
100% | Joe Sandbox ML |
Source | Detection | Scanner | Label | Link | Download |
---|---|---|---|---|---|
100% | Avira | TR/Crypt.XPACK.Gen | Download File | ||
100% | Avira | TR/Crypt.XPACK.Gen | Download File |
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
0% | Virustotal | Browse | ||
0% | Avira URL Cloud | safe |
Name | Source | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|
false |
| unknown |
Joe Sandbox Version: | 36.0.0 Rainbow Opal |
Analysis ID: | 756108 |
Start date and time: | 2022-11-29 16:40:55 +01:00 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 4m 8s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Sample file name: | obs64.scr.exe |
Cookbook file name: | default.jbs |
Analysis system description: | Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 104, IE 11, Adobe Reader DC 19, Java 8 Update 211 |
Number of analysed new started processes analysed: | 1 |
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: | mal72.evad.winEXE@1/0@0/0 |
EGA Information: | Failed |
HDC Information: | Failed |
HCA Information: |
|
Cookbook Comments: |
|
- Excluded domains from analysis (whitelisted): fs.microsoft.com
File type: | |
Entropy (8bit): | 7.983219202559223 |
TrID: |
|
File name: | obs64.scr.exe |
File size: | 9445713 |
MD5: | 8a43b78256248131b7ef4ec9ce5dc5c2 |
SHA1: | 50ee27c73291e0a5027d29fde20571ab66d9e5fa |
SHA256: | e93832ec29ff60c65860876dc6f06ddc6374be8179385c48316d4469c3225e4f |
SHA512: | 761dcbadb99091f89ff9ef21993bfa462d3bc7da84f940e5ba8043fce8122e2be02ba729f42ed74ba09db57b24876d891bb2b7594c81ea4bbd373b6848026467 |
SSDEEP: | 196608:z/pTRauTO0mU3CowPV0rjTuVcF06BDQ0tTdG5nzC0tt:91hOHUjwCjuVcF06TY5nzn |
TLSH: | FE9633B6639904D6E1C5C8328937BDE6B1F5032B9F41E870E9CA6DC56C12AF6D382D13 |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......PE..L...................................,To...........@...................................K.............................`.y.O.. |
Icon Hash: | 00828e8e8686b000 |
Entrypoint: | 0xaf542c |
Entrypoint Section: | .eM[ |
Digitally signed: | false |
Imagebase: | 0x400000 |
Subsystem: | windows gui |
Image File Characteristics: | RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE |
DLL Characteristics: | |
Time Stamp: | 0x0 [Thu Jan 1 00:00:00 1970 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 5 |
OS Version Minor: | 1 |
File Version Major: | 5 |
File Version Minor: | 1 |
Subsystem Version Major: | 5 |
Subsystem Version Minor: | 1 |
Import Hash: | 801fe4064ba15978bca5b90b38949cd8 |
Instruction |
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call 00007F1548C96A88h |
mov eax, dword ptr [esi] |
adc dl, 00000050h |
mov dl, byte ptr [esi+04h] |
clc |
cmp edi, 4CED09E2h |
lea esi, dword ptr [esi+00000006h] |
test ecx, 6B8C62F0h |
mov byte ptr [eax], dl |
adc al, 28h |
sar eax, 6Ah |
sub edi, 00000004h |
mov eax, dword ptr [edi] |
xor eax, ebx |
stc |
neg eax |
stc |
clc |
cmp edi, 4E93567Fh |
add eax, 5AA12BACh |
stc |
cmc |
rol eax, 1 |
cmp dh, FFFFFFB4h |
cmp dx, si |
xor eax, 1B091CA6h |
dec eax |
xor ebx, eax |
jmp 00007F154897EB3Ah |
mov ecx, dword ptr [esi] |
add ax, di |
not ah |
sub ax, 00004291h |
mov eax, dword ptr [esi+04h] |
test esp, esi |
jmp 00007F1548C19050h |
mov word ptr [edi+04h], ax |
movsx ecx, dx |
pushfd |
setno cl |
pop dword ptr [edi] |
btr cx, di |
bsf cx, bp |
or ecx, edx |
lea ebp, dword ptr [ebp-00000004h] |
sar cl, 0000003Bh |
neg ch |
mov ecx, dword ptr [ebp+00h] |
xor ecx, ebx |
not ecx |
jmp 00007F15489B7B98h |
jmp 00007F154892C5D9h |
inc cx |
movzx eax, byte ptr [esp] |
inc bp |
shrd ebx, edi, 000000C4h |
inc cx |
bt ebx, 26h |
dec ecx |
sbb ebx, 3F124795h |
inc ebp |
mov cl, byte ptr [esp+02h] |
inc ecx |
sal bl, FFFFFFDBh |
inc sp |
bsr ebx, esi |
Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0x79ab60 | 0xc4f | .eM[ |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x351c0c | 0x64 | .eM[ |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x80d000 | 0x21c | .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 | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x350000 | 0x38 | .ch{ |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Name | Virtual Address | Virtual Size | Raw Size | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
---|---|---|---|---|---|---|---|---|
.text | 0x1000 | 0xccfc4 | 0x0 | False | 0 | empty | 0.0 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.data | 0xce000 | 0xa3dc | 0x0 | False | 0 | empty | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
.>v+ | 0xd9000 | 0x2760c4 | 0x0 | unknown | unknown | unknown | unknown | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.ch{ | 0x350000 | 0x6a0 | 0x800 | False | 0.03173828125 | data | 0.17722768238445855 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
.eM[ | 0x351000 | 0x4bad60 | 0x4bae00 | unknown | unknown | unknown | unknown | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.Zm# | 0x80c000 | 0x5a0 | 0x600 | False | 0.91015625 | data | 7.423947252129793 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.rsrc | 0x80d000 | 0x21c | 0x400 | False | 0.2841796875 | data | 1.8158983569130027 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
Name | RVA | Size | Type | Language | Country |
---|---|---|---|---|---|
RT_VERSION | 0x80d058 | 0x1c4 | ARMv7 Thumb COFF executable, no relocation info, not stripped, 52 sections, symbol offset=0x5f0053, 4522070 symbols, optional header size 82, created Sat Mar 7 05:34:56 1970 | German | Germany |
DLL | Import |
---|---|
mSvbVm60.dLl | __vbaR8FixI4 |
KERNEL32.dll | GetSystemTimeAsFileTime |
USER32.dll | CharUpperBuffW |
KERNEL32.dll | LocalAlloc, LocalFree, GetModuleFileNameW, ExitProcess, LoadLibraryA, GetModuleHandleA, GetProcAddress |
Language of compilation system | Country where language is spoken | Map |
---|---|---|
German | Germany |
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Target ID: | 0 |
Start time: | 16:41:54 |
Start date: | 29/11/2022 |
Path: | C:\Users\user\Desktop\obs64.scr.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 9445713 bytes |
MD5 hash: | 8A43B78256248131B7EF4EC9CE5DC5C2 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | Visual Basic |
Reputation: | low |