MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1bf99cc27b4632a1916ca5af4d8946a38e1d29ca0cf5af7eab237c5dac930fb. 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


AgentTesla


Vendor detections: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1bf99cc27b4632a1916ca5af4d8946a38e1d29ca0cf5af7eab237c5dac930fb
SHA3-384 hash: 8fd3da5c8ff717446985cdeca97762a0e62552ec59a7b4411f44b59a8e3a4a686ae219f4be1bd9fb80d3397e3174deeb
SHA1 hash: 31efbed417c46db9caaf1a98739eb8cbd7640480
MD5 hash: 626f7ff060eebc3c54d87f30df51cff4
humanhash: washington-fourteen-golf-king
File name:SecuriteInfo.com.Win32.PWSX-gen.29839.8902
Download: download sample
Signature AgentTesla
Create hunting rule
File size:10'240 bytes
First seen:2023-10-30 05:53:33 UTC
Last seen:2023-11-09 11:12:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 192:SIBFSb9Vrn1AvJd/hE8KgKhb4F4nEehT0Ba4e6jFXMN+bf1:SUwpEJ48DKmF630B7PFM+
Threatray 1'101 similar samples on MalwareBazaar
TLSH T15222F704A66CCA33CF5F0BBCACF643830671D7645441EB8F3A8CA1663D436246D6A39E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
312
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.29839.8902
Verdict:
Malicious activity
Analysis date:
2023-10-30 07:12:38 UTC
Tags:
sinkhole agenttesla stealer
Link:
https://app.any.run/tasks/738c3c1c-dea1-4bfa-be42-1bab0a5aa0b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/457031/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.29839.8902.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Creating a window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/653f44fbb95974e82228823d/reports/be292f15-c2b8-4b58-a9bc-e6877a937ff4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c1bf99cc27b4632a1916ca5af4d8946a38e1d29ca0cf5af7eab237c5dac930fb
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7422d33d-8d68-4966-b0cc-15093d4f4c51
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334062
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1334062 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 30/10/2023 Architecture: WINDOWS Score: 100 30 ricthailand.com 2->30 32 mail.ricthailand.com 2->32 34 3 other IPs or domains 2->34 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 6 other signatures 2->50 7 SecuriteInfo.com.Win32.PWSX-gen.29839.8902.exe 16 5 2->7         started        12 Kodpnafk.exe 14 5 2->12         started        14 Kodpnafk.exe 2->14         started        signatures3 process4 dnsIp5 36 qu.ax 92.118.112.4, 443, 49730, 49739 GUDAEV-ASRU Russian Federation 7->36 24 C:\Users\user\AppData\Roaming\Kodpnafk.exe, PE32 7->24 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->52 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->54 56 Injects a PE file into a foreign processes 7->56 16 SecuriteInfo.com.Win32.PWSX-gen.29839.8902.exe 2 7->16         started        58 Multi AV Scanner detection for dropped file 12->58 20 Kodpnafk.exe 2 12->20         started        22 Kodpnafk.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 ricthailand.com 216.194.173.53, 49732, 49742, 49745 IMH-WESTUS United States 16->26 28 api4.ipify.org 64.185.227.156, 443, 49731, 49741 WEBNXUS United States 16->28 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->38 40 Tries to steal Mail credentials (via file / registry access) 22->40 42 Tries to harvest and steal browser information (history, passwords, etc) 22->42 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c1bf99cc27b4632a1916ca5af4d8946a38e1d29ca0cf5af7eab237c5dac930fb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1bf99cc27b4632a1916ca5af4d8946a38e1d29ca0cf5af7eab237c5dac930fb/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-10-29 21:53:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yg7zttbhwrrsugiwzjnpjweuni4oduu4udhvv57kwi34lwwjgd5q._file
Verdict:
malicious
Similar samples:
180063097b8813644078412341c479562c54e2a94b2b9a669813bccfeadc3f0c
AgentTesla
31a1d70e9feebe26f729b6c37d07f37bd8971ecc6ef4feaae138369a59083d65
AgentTesla
65c4d932a71d1f36d1c57b7ed319c20446d3c935b60f8f1262bc047e1c6556ff
AgentTesla
72e5420f9ce8e361479ffa0959e14c29d10b3112c0cbafbde4554506d1bd665a
AgentTesla
b916d475339eb0e64ad8e4e8bf897adb317c8add907ca4f72c1b7fda76cd8550
AgentTesla
c106131abba0a5978be6acb5034eb38742d0d169c483389575cd930339d6a099
AgentTesla
dec1d1854a2b0b3dd914323f076434ee14831f93672b2e8d361762886c0b2d7d
AgentTesla
e9a3a2b3229b0c1b7c3d7d9958bccec2d0d64815542d5ca35feb402e2824619a
AgentTesla
+ 1'091 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/231030-glw2rada59/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
c1bf99cc27b4632a1916ca5af4d8946a38e1d29ca0cf5af7eab237c5dac930fb
MD5 hash:
626f7ff060eebc3c54d87f30df51cff4
SHA1 hash:
31efbed417c46db9caaf1a98739eb8cbd7640480
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/8d8425c3-f79a-4c3d-a804-50a00fe376f2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c1bf99cc27b4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/c1bf99cc27b4632a1916ca5af4d8946a38e1d29ca0cf5af7eab237c5dac930fb

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:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/457031/

Comments