MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac8344ed6ff273c2c2ce60399c0b8cb0ae39cb53f189daa2319518f5b9c2d219. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac8344ed6ff273c2c2ce60399c0b8cb0ae39cb53f189daa2319518f5b9c2d219
SHA3-384 hash: 059f9401742e352451f046fb1ddba710573dd8f8ecef40a7970f4bb58360521c37f603aa703b46fd70b058c8dc034017
SHA1 hash: 8cd2eb10a3391530f9b1b636c8940a5bd2d5c9ab
MD5 hash: 4f4923f3f534caa3478a168cf9ae6139
humanhash: oxygen-zebra-avocado-wolfram
File name:PO 45920 Karmagroup.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:674'304 bytes
First seen:2023-04-04 23:22:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:qv68ivyV4fKXXaQtCdUURYW9N8lOvyeUnDlYHmimOMt+9:qtivyV4fKXqQcdtIoHCDlYHmimX
Threatray 29 similar samples on MalwareBazaar
TLSH T12AE401103BCDD209C129977ED1E5C2B063BADC99E2A3CB6B4FC9BDD3738A3595515082
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
366
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 45920 Karmagroup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-04 23:23:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4d07d6f6-8d1d-42e1-9a92-9a547a0d2ae6

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/380142/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Sanesecurity.Rogue.0hr.20230330-1633.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/642cb15656a0d407bc6ba893/reports/160c3732-959a-43f1-9391-1cff54d35be1/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ac8344ed6ff273c2c2ce60399c0b8cb0ae39cb53f189daa2319518f5b9c2d219
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2678ce43-eb01-41d9-b3f8-3e76892d3c05
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1208480
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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 zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 841396 Sample: PO_45920_Karmagroup.exe Startdate: 05/04/2023 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 5 other signatures 2->53 7 PO_45920_Karmagroup.exe 7 2->7         started        11 mSKnWEfenTPvWt.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\mSKnWEfenTPvWt.exe, PE32 7->33 dropped 35 C:\...\mSKnWEfenTPvWt.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp93A3.tmp, XML 7->37 dropped 39 C:\Users\user\...\PO_45920_Karmagroup.exe.log, ASCII 7->39 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->57 59 Uses schtasks.exe or at.exe to add and modify task schedules 7->59 61 Adds a directory exclusion to Windows Defender 7->61 13 PO_45920_Karmagroup.exe 2 7->13         started        17 powershell.exe 19 7->17         started        19 schtasks.exe 1 7->19         started        63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 21 mSKnWEfenTPvWt.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        25 mSKnWEfenTPvWt.exe 11->25         started        signatures5 process6 dnsIp7 41 maskanikenya.co.ke 170.10.161.27, 49691, 49699, 587 STEADFASTUS United States 13->41 43 mail.maskanikenya.co.ke 13->43 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        45 mail.maskanikenya.co.ke 21->45 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->67 69 Tries to steal Mail credentials (via file / registry access) 21->69 71 Tries to harvest and steal browser information (history, passwords, etc) 21->71 31 conhost.exe 23->31         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ac8344ed6ff273c2c2ce60399c0b8cb0ae39cb53f189daa2319518f5b9c2d219/
Threat name:
ByteCode-MSIL.Spyware.Taskun
Create hunting rule
Status:
Malicious
First seen:
2023-03-30 08:09:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vsbuj3lp6jz4fqwoma4zyc4mwcxdts2t6ge5virrsumplooc2imq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
17d02a46d36d276311b26963af8c73b27838fe026b32dcef9021a96c85a5a9c9
AgentTesla
191529d733524665838e0d27b44844ca0a3c914d8577d4f2d8c8b93ea4a7729a
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3fae62e5822434bb1d7ec5583521a3f08e43a2521e0df922dde8ad18e666bac7
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5ee727653b9e6ded021959d91650e3d23c1586b14ed1d22d84c8b3cd5f7e634a
AgentTesla
6869aea56b539fe8189237aeff9f338691b034ebbfce1688e0f05e080dc9fb7a
AgentTesla
7c69c8b13870df342b88a74c4593de7cdafd313516a613e6d2c358654989b197
AgentTesla
90e926a50fdd51897942e407e917649f7cfdac92a9f95cc73d263c8f7fff695e
AgentTesla
aad777a2d2f4c889859ca2fbdc9d2bc782cf989c31d95be12abda966f4cbaf19
AgentTesla
d98a67065568b317f933edad5c1f2700d1178ece2bc52e511cdf81b9cf2552eb
AgentTesla
+ 19 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230404-3c4k5aaf57/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
5062f99a5460cbd448d7f9c35d5c05aafa3ce36357be73268367d779dd92396e
MD5 hash:
c499b0e057f46db9f5ad9f0e9181830e
SHA1 hash:
fda2b448e6c7a411e1baed2a8bca7050b9b769ef
Link:
https://www.unpac.me/results/f04fbc5b-6405-4b1e-8f05-f17c896c2787/
SH256 hash:
7b0f6dfd4f4f6ecbc5e1c0a8789eebd5abda02c7e79aa31df28739ede973aed2
MD5 hash:
425f2e742aa8b5c95d8e6fdbef0965d5
SHA1 hash:
dc56f4deeacbb9840174137f5403830f37e3a69f
Link:
https://www.unpac.me/results/f04fbc5b-6405-4b1e-8f05-f17c896c2787/
SH256 hash:
2c0986a39a560715771316d300d95755f2d166b36f60c1cca1d1d8145ef26424
MD5 hash:
ad345d18ab688695cc50c66baf0b0488
SHA1 hash:
815514f6deed5e4a363bb8e0fe06db72f3a214c8
Link:
https://www.unpac.me/results/f04fbc5b-6405-4b1e-8f05-f17c896c2787/
SH256 hash:
25b48fdd1689bbd595121ec0066b4c9c5318e1acc84d018c4707c8fe33b34874
MD5 hash:
fef368729eb2abbf1f370b34ae1d5cef
SHA1 hash:
754f04a658d8f9ff552cd1ea26396d15244e5510
Link:
https://www.unpac.me/results/f04fbc5b-6405-4b1e-8f05-f17c896c2787/
Parent samples :
25b48fdd1689bbd595121ec0066b4c9c5318e1acc84d018c4707c8fe33b34874
3b9f9fc739dfb6d59c22f7b0ee4134f404ae4faaea7b01896363a657f6db3643
SH256 hash:
3c507afadbb1c31a9ebdd24baac5739d47576159e01c5e84f973c951885100aa
MD5 hash:
e79bf0e7e9d52d398e0b23b352394c68
SHA1 hash:
682325763a0ec77e0fd475ea3a4021b4651eceac
Link:
https://www.unpac.me/results/f04fbc5b-6405-4b1e-8f05-f17c896c2787/
SH256 hash:
ac8344ed6ff273c2c2ce60399c0b8cb0ae39cb53f189daa2319518f5b9c2d219
MD5 hash:
4f4923f3f534caa3478a168cf9ae6139
SHA1 hash:
8cd2eb10a3391530f9b1b636c8940a5bd2d5c9ab
Link:
https://www.unpac.me/results/f04fbc5b-6405-4b1e-8f05-f17c896c2787/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ac8344ed6ff273c2c2ce60399c0b8cb0ae39cb53f189daa2319518f5b9c2d219

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information

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

Malspam

AgentTesla

Executable exe ac8344ed6ff273c2c2ce60399c0b8cb0ae39cb53f189daa2319518f5b9c2d219

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/380142/

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