MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74930b91b8999d03db3840b121fc52d0f5fb6d4b9158b950a5e869aa84a431f2. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AsyncRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 74930b91b8999d03db3840b121fc52d0f5fb6d4b9158b950a5e869aa84a431f2
SHA3-384 hash: 97587a3c9e5d561ee24d243fc796c5cc7acfe6ea1957d4c674a8aa59c9110f83fb142111b46de92a1fc84352b211cdef
SHA1 hash: 44bc051ae629cffd74ea42222b19f93c66121a9e
MD5 hash: 3a83c646f577b976e94ad8781fd3b09c
humanhash: seven-fourteen-arizona-july
File name:3a83c646f577b976e94ad8781fd3b09c.exe
Download: download sample
Signature AsyncRAT
File size:2'005'560 bytes
First seen:2023-02-08 18:34:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7a7a9ac40cd670433b285ea5ed2b1d4d (1 x Formbook, 1 x Rhadamanthys, 1 x AgentTesla)
ssdeep 49152:HUJb2kgSccMhYN19u8PoK66JWyfkrKQ8F:0JJgSBMW19u8166IyfTQ8F
TLSH T132959CFE31DFF220D65E01F9C76B9AE550D878A9F13380575D70E9259682C8D8EBC282
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 860379753531934e (1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe signed

Code Signing Certificate

Organisation:sites.target.com
Issuer:GlobalSign Atlas R3 OV TLS CA 2022 Q3
Algorithm:sha256WithRSAEncryption
Valid from:2022-08-17T18:17:42Z
Valid to:2023-09-18T18:17:41Z
Serial number: 01c6f14ee2f028af958a683a3ed3b3a3
Intelligence: 2 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 9531199a759edc9193c3f37b01c1b2f1dbe30485b70525f010ddf3b945fb4454
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3a83c646f577b976e94ad8781fd3b09c.exe
Verdict:
Malicious activity
Analysis date:
2023-02-08 19:15:00 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
DNS request
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Creating a file
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
greyware overlay packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Mustang Panda
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Yara detected Costura Assembly Loader
Yara detected zgRAT
Yara Genericmalware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 803500 Sample: kVnPvC7sTf.exe Startdate: 10/02/2023 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 4 other signatures 2->48 7 ojxoh.exe 9 2->7         started        11 kVnPvC7sTf.exe 12 2->11         started        process3 dnsIp4 32 xtvro7nrndlp898vgpq5.6dob9j4hdznft8ummefafplqb 7->32 34 185.17.0.22, 49702, 49712, 58001 SUPERSERVERSDATACENTERRU Russian Federation 7->34 54 Multi AV Scanner detection for dropped file 7->54 56 Machine Learning detection for dropped file 7->56 58 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 7->58 60 Encrypted powershell cmdline option found 7->60 14 powershell.exe 15 18 7->14         started        36 xtvro7nrndlp898vgpq5.6dob9j4hdznft8ummefafplqb 11->36 24 C:\Users\user\AppData\Local\igfsr\ojxoh.exe, PE32 11->24 dropped 26 C:\Users\user\...\ojxoh.exe:Zone.Identifier, ASCII 11->26 dropped 28 C:\Users\user\AppData\...\kVnPvC7sTf.exe.log, ASCII 11->28 dropped 62 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->62 file5 signatures6 process7 dnsIp8 38 212.113.106.91, 49711, 80 ASRELCOMSPBRU Russian Federation 14->38 30 C:\Users\user\AppData\Local\...\ukzzecas.exe, PE32+ 14->30 dropped 40 Powershell drops PE file 14->40 19 ukzzecas.exe 2 14->19         started        22 conhost.exe 14->22         started        file9 signatures10 process11 signatures12 50 Multi AV Scanner detection for dropped file 19->50 52 Machine Learning detection for dropped file 19->52
Threat name:
Win32.Trojan.Fragtor
Status:
Malicious
First seen:
2023-02-06 23:56:41 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
b0f54e413910af85b2b1fd4ee6696ff0060d1c5184528f4722982cb9d73858c8
MD5 hash:
8789def0b0cc95a3f91512ccb03127bd
SHA1 hash:
0439aa7fb67e358386e8e9e889c6ac159bebaca1
SH256 hash:
74930b91b8999d03db3840b121fc52d0f5fb6d4b9158b950a5e869aa84a431f2
MD5 hash:
3a83c646f577b976e94ad8781fd3b09c
SHA1 hash:
44bc051ae629cffd74ea42222b19f93c66121a9e
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments