MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8355f7c0b02898b75867bea05b5b23a2ec6ba111e5e6f36516efa6a92232e56. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8355f7c0b02898b75867bea05b5b23a2ec6ba111e5e6f36516efa6a92232e56
SHA3-384 hash: e01e08a03d13e306a1ee14cdc326cf2798c243e46d85fb7cf83388d24113e2bbf89105733a0605caeb2e8089acfdfca8
SHA1 hash: 2e4b8f18bad958cf46713222cd5016851b0a9453
MD5 hash: f6e0a5f3785ca9b65cc4cc8733857736
humanhash: stream-harry-harry-iowa
File name:IgmFZPRG8ldeeNb.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'277'952 bytes
First seen:2023-10-23 12:14:10 UTC
Last seen:2023-10-23 12:16:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:lF6oXvHck20swaywUDvoRVMCdkpxhUZFjahggyOLRHxYcJ4/xnPy:D6SvHVbswaLUMRuCdk5UzYkO9HxrJwx
Threatray 437 similar samples on MalwareBazaar
TLSH T1F145316C48B85913C561E07EDFE8EE23B1808CDAA14C9C9A87C55F495A23637B09FD3D
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0c0aab2aaaac4f0 (4 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe INVOICE RFQ

Intelligence

File Origin
# of uploads :
3
# of downloads :
339
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
IgmFZPRG8ldeeNb.exe
Verdict:
Malicious activity
Analysis date:
2023-10-23 12:17:59 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/b37c4b09-7a7c-4015-b770-f8d4362769ad

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.2370.1745.12825.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/653663c9e3768e7905c773e4/reports/3f60ed19-55f1-4d52-adb2-01666e7cdf14/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c8355f7c0b02898b75867bea05b5b23a2ec6ba111e5e6f36516efa6a92232e56
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9051931f-2489-44cc-9f0a-73d81f674288
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1330559
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330559 Sample: IgmFZPRG8ldeeNb.exe Startdate: 23/10/2023 Architecture: WINDOWS Score: 100 59 mail.akhtargroup.com.bd 2->59 61 api4.ipify.org 2->61 63 2 other IPs or domains 2->63 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus / Scanner detection for submitted sample 2->73 75 9 other signatures 2->75 8 IgmFZPRG8ldeeNb.exe 7 2->8         started        12 CtrAIoVqulZmsF.exe 2->12         started        14 YXMWabc.exe 2->14         started        16 YXMWabc.exe 2->16         started        signatures3 process4 file5 55 C:\Users\user\AppData\...\CtrAIoVqulZmsF.exe, PE32 8->55 dropped 57 C:\Users\user\AppData\Local\Temp\tmpFFE.tmp, XML 8->57 dropped 87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->87 89 Uses schtasks.exe or at.exe to add and modify task schedules 8->89 91 Adds a directory exclusion to Windows Defender 8->91 18 IgmFZPRG8ldeeNb.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        33 3 other processes 8->33 93 Antivirus detection for dropped file 12->93 95 Multi AV Scanner detection for dropped file 12->95 97 Machine Learning detection for dropped file 12->97 25 CtrAIoVqulZmsF.exe 12->25         started        27 schtasks.exe 12->27         started        99 Injects a PE file into a foreign processes 14->99 29 YXMWabc.exe 14->29         started        35 2 other processes 14->35 31 YXMWabc.exe 16->31         started        37 2 other processes 16->37 signatures6 process7 dnsIp8 65 api4.ipify.org 173.231.16.77, 443, 49741, 49744 WEBNXUS United States 18->65 67 akhtargroup.com.bd 65.181.111.19, 49743, 49745, 49748 FORTRESSITXUS United States 18->67 51 C:\Users\user\AppData\Roaming\...\YXMWabc.exe, PE32 18->51 dropped 53 C:\Users\user\...\YXMWabc.exe:Zone.Identifier, ASCII 18->53 dropped 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->77 79 Tries to steal Mail credentials (via file / registry access) 18->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->81 39 conhost.exe 23->39         started        83 Installs a global keyboard hook 25->83 41 conhost.exe 27->41         started        85 Tries to harvest and steal browser information (history, passwords, etc) 31->85 43 conhost.exe 33->43         started        45 conhost.exe 33->45         started        47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c8355f7c0b02898b75867bea05b5b23a2ec6ba111e5e6f36516efa6a92232e56
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c8355f7c0b02898b75867bea05b5b23a2ec6ba111e5e6f36516efa6a92232e56/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-10-13 06:01:39 UTC
AV detection:
17 of 22 (77.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=za2v67alakeyw5mgppvalnnshixmnoqrdzpg6nsrn35gverdfzla._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
03eb475c31001a1695cf0dd132828e8455d43becb69b0cd6b3af6f59a06649bd
AgentTesla
18d2b8838dac4579e0dad6276b13ee43f4de3e85e61e631403b6e149d03ab197
AgentTesla
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a266e4535729d94c2c389e3d705c59162cf9cb21bc4d521edc61f2affef3e20c
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AgentTesla
d35dce5a33e43611c39ea134ece8746a4192f1bfd8c1577d7ebd77c0ebd66120
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db765e3ae32dab0e207e927fa48ca963404819122f9b094908001aa4d3ee7b94
AgentTesla
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AgentTesla
f8fe2b2ea77e10ff5a8256bc177f299d30ec5601518d6fd27de2d599d516a114
AgentTesla
+ 427 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231023-pexnpsad58/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
a040efb5ce92995b5d40fd2536c8ad6a93f2d8584a3dd52f07cdb0b34c9e6e29
MD5 hash:
a5a52675690de850e3de6c05a9bd885f
SHA1 hash:
fd953edf2e910fbb43c9e6d4c8d48632bb4e55c6
Link:
https://www.unpac.me/results/cf063442-00f2-4619-a747-5114a0210bc2/
SH256 hash:
57853dc6de463fcada5ecb904663097cf9f906c8fb8c5af3741feb107018713d
MD5 hash:
affefbc46caf5c9aa4a5b4939860a982
SHA1 hash:
bdca328ba553428d3377b828f63f41c26215e61b
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/cf063442-00f2-4619-a747-5114a0210bc2/
Parent samples :
c8355f7c0b02898b75867bea05b5b23a2ec6ba111e5e6f36516efa6a92232e56
3505c5cf2f2d5bea30d13fda169160e1984eec6ecc05068c30b6581bcf0fcbf1
SH256 hash:
7217c1d6b913d91f41d7c34efe90ef23c9c4f3ed2517e661688eb63dea10f955
MD5 hash:
a86c32cfb0d0f69b1fbd7d5f1369f16a
SHA1 hash:
6821013433c4129dc78af2e0245aef1a855efb12
Link:
https://www.unpac.me/results/cf063442-00f2-4619-a747-5114a0210bc2/
SH256 hash:
e7c9ff8519774eefb66d826ba1a10b4b8e05b082111fb306106649897290c242
MD5 hash:
b3c5147bc4c7645777a556b085446b19
SHA1 hash:
292acd0deaa0f1ec49150909f3993c23cd0037a6
Link:
https://www.unpac.me/results/cf063442-00f2-4619-a747-5114a0210bc2/
SH256 hash:
c8355f7c0b02898b75867bea05b5b23a2ec6ba111e5e6f36516efa6a92232e56
MD5 hash:
f6e0a5f3785ca9b65cc4cc8733857736
SHA1 hash:
2e4b8f18bad958cf46713222cd5016851b0a9453
Link:
https://www.unpac.me/results/cf063442-00f2-4619-a747-5114a0210bc2/
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
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.

Malspam

AgentTesla

zip 4719d495e55362424d7f325cd190b32b9d0a1ce1130ee890a7f41a1885d5a1d1

AgentTesla

Executable exe c8355f7c0b02898b75867bea05b5b23a2ec6ba111e5e6f36516efa6a92232e56

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 4719d495e55362424d7f325cd190b32b9d0a1ce1130ee890a7f41a1885d5a1d1
  
Dropped by
MD5 b8b0535ec6d031a39f12d7cef8c2604d

Comments