MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f934b9c66294466761558a608c02f2d3f73dc5a05a63bb52a5e0e1b0a9a173a. 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: 18


Intelligence 18 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f934b9c66294466761558a608c02f2d3f73dc5a05a63bb52a5e0e1b0a9a173a
SHA3-384 hash: 145f80cc8f6d6d53a53c59020a9b69df082e27adcc636337cd634338f05a85cc175c8a18bf65088d53958c3efc04b9ce
SHA1 hash: f718cf7a182e1fa8c094431f3d19a86cbd76ddf5
MD5 hash: d47b077c6e9d55de441f237619819584
humanhash: lamp-grey-uniform-tennis
File name:SOB_BK23-003618_25.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'180'672 bytes
First seen:2023-11-27 07:27:10 UTC
Last seen:2023-11-27 15:17:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:M1dUGCFhfFpw+0hJMaFzbX/u8i5+j/uALxsFtD/:MMLFhfv50h9dbX/25+jDLW3
Threatray 1'834 similar samples on MalwareBazaar
TLSH T17D45053D18F92926D161C2B5CFE4C667F040F8FA3993582299E25315434BA9BBDC327E
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)
File icon (PE):PE icon
dhash icon 1e7f7773737f7678 (2 x AgentTesla)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
310
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SOB_BK23-003618_25.exe
Verdict:
Malicious activity
Analysis date:
2023-11-27 07:28:05 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/f51681e0-a449-451a-81c9-849932c1b632

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/460526/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65644503bcca970107ce6f4e/reports/7a026089-8dc8-4c96-ae53-b4a95fcbb8f0/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/5f934b9c66294466761558a608c02f2d3f73dc5a05a63bb52a5e0e1b0a9a173a
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/f86a5416-ae2c-4983-82b5-e0cc105bdcae
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348308
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sample uses string decryption to hide its real strings
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1348308 Sample: SOB_BK23-003618_25.exe Startdate: 27/11/2023 Architecture: WINDOWS Score: 100 51 mail.unitechautomations.com 2->51 53 api4.ipify.org 2->53 55 api.ipify.org 2->55 61 Found malware configuration 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 8 other signatures 2->67 8 SOB_BK23-003618_25.exe 7 2->8         started        12 LUWmYRSdzG.exe 5 2->12         started        14 fCVSa.exe 2->14         started        16 fCVSa.exe 2->16         started        signatures3 process4 file5 47 C:\Users\user\AppData\...\LUWmYRSdzG.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmpD5A2.tmp, XML 8->49 dropped 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 81 Writes to foreign memory regions 8->81 83 Allocates memory in foreign processes 8->83 91 2 other signatures 8->91 18 RegSvcs.exe 16 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 19 8->25         started        27 schtasks.exe 1 8->27         started        85 Antivirus detection for dropped file 12->85 87 Multi AV Scanner detection for dropped file 12->87 89 Machine Learning detection for dropped file 12->89 29 RegSvcs.exe 12->29         started        31 schtasks.exe 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 57 mail.unitechautomations.com 192.185.129.60, 49735, 49738, 587 UNIFIEDLAYER-AS-1US United States 18->57 59 api4.ipify.org 64.185.227.156, 443, 49734, 49736 WEBNXUS United States 18->59 45 C:\Users\user\AppData\Roaming\...\fCVSa.exe, PE32 18->45 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->71 73 Tries to steal Mail credentials (via file / registry access) 18->73 37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        75 Tries to harvest and steal browser information (history, passwords, etc) 29->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->77 43 conhost.exe 31->43         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5f934b9c66294466761558a608c02f2d3f73dc5a05a63bb52a5e0e1b0a9a173a
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5f934b9c66294466761558a608c02f2d3f73dc5a05a63bb52a5e0e1b0a9a173a/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-11-26 13:08:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
18 of 23 (78.26%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=l6juxhdgffcgm5qvlctarqbpfu7xhxc2awtdxnjklyhbwcu2c45a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Similar samples:
1bedaffe4ca544ea63fa0015018d6d45562a932288205c108d73228d0b0e693e
AgentTesla
2dfbf85c26d893e4dae9ca72d6677f00789c7f69ada570b93ccfccc1f37f5225
AgentTesla
7e352106b797fd772547c6d0cdd113c888a9170cbf648b81fa136263e8e435d2
AgentTesla
f33c9c0741e252d85c7c7515d7c9d23c5710ba2a69e115883db9d693ae741736
AgentTesla
+ 1'824 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231127-janmcafb63/
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
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/9bd6e4de-01d9-4a14-9fc6-03509d579d41/
SH256 hash:
b32f64139e9cfc3afa129ec4bd0adced5c90f5bb1d3cde1d1a6415165b875370
MD5 hash:
9385019216c64b66fb1e4ceae3ca9486
SHA1 hash:
ad74faf0fc06b34ff4ddd1f44b8cdea500c8fef6
Link:
https://www.unpac.me/results/9bd6e4de-01d9-4a14-9fc6-03509d579d41/
SH256 hash:
cacf6c045f14f36f5662aeb8c826349e5e39b66487e91b3bdc34acc8f42c6fd1
MD5 hash:
454348f1346ba658a0a9936f60be8820
SHA1 hash:
a7fd413944141e4588b35cfd93914dd7efda4f9f
Link:
https://www.unpac.me/results/9bd6e4de-01d9-4a14-9fc6-03509d579d41/
SH256 hash:
25f455f936fb8836b363683c409396ce338b6a38b92da08ebe7b7442be710fb5
MD5 hash:
e7bc7eb1caff2058f727a39eff9247e3
SHA1 hash:
3a5c5285262f0d10fff8756fc071b139da23e803
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_bytecodes_sep_2023
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
Link:
https://www.unpac.me/results/9bd6e4de-01d9-4a14-9fc6-03509d579d41/
Parent samples :
25f455f936fb8836b363683c409396ce338b6a38b92da08ebe7b7442be710fb5
c22334a30489c310ccebd2eb69b289bf3f01461a72a4da146a59cdaa06283e04
e6b297fc5effcaa65ed935f78e8b663257f447a9f569c4da0411854fe28a75e7
c1d57ced264a612aa7069940bd8bc2ad9b1b5d66cf8258ed58027b6101d60e28
ec782c6c9788c784234f2bf815b0a2774d55e5a08d42aac4ddc79f8710b4d469
d228edad00c7342f36732017beec3c7ea9057b6ff8c527198ab29d9eefcee645
7eaae233b18c778b06506f210e3c6f3076bcd1957930b3ced131749683d05703
71357accda25349b67f991641c8e64697016e6ca4046602dca0c7ca253ad582f
1e1a3828028401c6052fd951935347159121c19c01e7dc47fa2d4620a60c720d
f1a6e53beb7e03091a732ba8d1093eb5162dd620c85f7ee44bdc6efe25c3c853
6398b922ae61c54c8ccc93725d584c8e3f0c3005716cd21fd63fb79e3bc78836
4e9869213e582a8e92d9404c2d74019b550c4363c5855bb6d8a6698a417bc64c
f90d6b1d57aa25effd10bfff611d754196e2244df30a2da41a2ba56eed8d9bad
47fc622827b4898f1fd2735731f6d8c03ba59f65c81411233d4844211749262e
5f934b9c66294466761558a608c02f2d3f73dc5a05a63bb52a5e0e1b0a9a173a
eb0c9f7ff7106033740df49533023ab8c93304ec66c76496dde0aab528a7472a
SH256 hash:
5f934b9c66294466761558a608c02f2d3f73dc5a05a63bb52a5e0e1b0a9a173a
MD5 hash:
d47b077c6e9d55de441f237619819584
SHA1 hash:
f718cf7a182e1fa8c094431f3d19a86cbd76ddf5
Link:
https://www.unpac.me/results/9bd6e4de-01d9-4a14-9fc6-03509d579d41/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/5f934b9c66294466761558a608c02f2d3f73dc5a05a63bb52a5e0e1b0a9a173a

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV4
Create hunting rule
Author:kevoreilly
Description:AgentTesla Payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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.

Malspam

AgentTesla

zip f0c88cc1292b1bb39d3d212f9d8f651dae2719d73eb33c0a74d1aec45e868039

AgentTesla

Executable exe 5f934b9c66294466761558a608c02f2d3f73dc5a05a63bb52a5e0e1b0a9a173a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/460526/
  
Dropped by
SHA256 f0c88cc1292b1bb39d3d212f9d8f651dae2719d73eb33c0a74d1aec45e868039
  
Dropped by
MD5 46118ac9e4f47a3c5bc82aaf89a6e38d

Comments