MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1d57ced264a612aa7069940bd8bc2ad9b1b5d66cf8258ed58027b6101d60e28. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1d57ced264a612aa7069940bd8bc2ad9b1b5d66cf8258ed58027b6101d60e28
SHA3-384 hash: 83f0b59e4c5178a06d80dd2b086fc9f7efa1ff596a534f0e03b3337220890ff550382a2399d005c8bdde100746ffeef8
SHA1 hash: e9c132e994176ea3ed151d280c5fc11c48ce5649
MD5 hash: 4cbc88d7d3165e8439950c26550df3c0
humanhash: ohio-carolina-fifteen-pluto
File name:KFKHI2309041-TELEX.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'082'368 bytes
First seen:2023-10-16 13:32:57 UTC
Last seen:2023-10-24 06:00:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'654 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:IHTcDxTGjihwtnFchXOzVfiC1rBnQJZk56Jlcx8fuiF6718gXZQgXWAB0GlW5:yAii+ukVfTBok56JlGWh07uaZYg0Gw5
Threatray 433 similar samples on MalwareBazaar
TLSH T1F735BF2035DB14C2D66FC7F2C78E0385CA6DF534A296791F2ED52ABDC016AA1DF061B8
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 b2bec096ac968682 (15 x AgentTesla, 5 x Formbook, 3 x AveMariaRAT)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
318
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
KFKHI2309041-TELEX.exe
Verdict:
Malicious activity
Analysis date:
2023-10-16 13:52:08 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/b93573da-ddd0-4e06-a8c1-774c4e18f4ae

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/454879/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.22017.26879.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Creating a file
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Forced shutdown of a system process
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/652d3b8f24a90472670abf8b/reports/6f301777-87b7-4229-8957-71ba7082df0b/overview
Verdict:
Malicious
Labled as:
Strictor.Generic
Link:
https://www.hybrid-analysis.com/sample/c1d57ced264a612aa7069940bd8bc2ad9b1b5d66cf8258ed58027b6101d60e28
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/b11ad07b-d6c6-40a6-977a-b60e63757ddf
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1326511
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
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
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)
Sample uses string decryption to hide its real strings
Sigma detected: MSBuild connects to smtp port
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1326511 Sample: KFKHI2309041-TELEX.exe Startdate: 16/10/2023 Architecture: WINDOWS Score: 100 45 mail.unitechautomations.com 2->45 47 api4.ipify.org 2->47 49 api.ipify.org 2->49 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Antivirus / Scanner detection for submitted sample 2->75 77 12 other signatures 2->77 9 KFKHI2309041-TELEX.exe 6 2->9         started        13 fCVSa.exe 2->13         started        15 fCVSa.exe 2->15         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\QJXeVELjKa.exe, PE32 9->41 dropped 43 C:\Users\user\AppData\Local\...\tmpE241.tmp, XML 9->43 dropped 79 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->79 81 Uses schtasks.exe or at.exe to add and modify task schedules 9->81 83 Writes to foreign memory regions 9->83 85 Injects a PE file into a foreign processes 9->85 17 QJXeVELjKa.exe 5 9->17         started        20 MSBuild.exe 17 4 9->20         started        24 schtasks.exe 1 9->24         started        26 conhost.exe 13->26         started        28 conhost.exe 15->28         started        signatures6 process7 dnsIp8 55 Antivirus detection for dropped file 17->55 57 Multi AV Scanner detection for dropped file 17->57 59 Machine Learning detection for dropped file 17->59 69 2 other signatures 17->69 30 MSBuild.exe 3 17->30         started        33 schtasks.exe 1 17->33         started        51 mail.unitechautomations.com 192.185.129.60, 49718, 49720, 587 UNIFIEDLAYER-AS-1US United States 20->51 53 api4.ipify.org 173.231.16.77, 443, 49717, 49719 WEBNXUS United States 20->53 39 C:\Users\user\AppData\Roaming\...\fCVSa.exe, PE32 20->39 dropped 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->61 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->63 65 Tries to steal Mail credentials (via file / registry access) 20->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->67 35 conhost.exe 24->35         started        file9 signatures10 process11 signatures12 87 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->87 89 Tries to steal Mail credentials (via file / registry access) 30->89 91 Tries to harvest and steal browser information (history, passwords, etc) 30->91 93 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->93 37 conhost.exe 33->37         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c1d57ced264a612aa7069940bd8bc2ad9b1b5d66cf8258ed58027b6101d60e28
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c1d57ced264a612aa7069940bd8bc2ad9b1b5d66cf8258ed58027b6101d60e28/
Threat name:
Win32.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-10-16 01:31:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
42
AV detection:
17 of 22 (77.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yhkxz3jgjjqsvjygtfal3c6cvwnrwxlgz6bfr3kyaj5wcaowbyua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1f22495e0f459d46c901746a490c146552173cb83d629bdb694f5961c09be657
AgentTesla
514b7b027e522406396244bfcd1bf8cdd60b967fd99bc9b8bce226dc0eb6e93d
AgentTesla
8438ac5745f37292a9c36993ae4ff00fb3f3e52abd075d2efb0e3581ce1b8e94
AgentTesla
b3c98a624e7fe69823ba0d02dbadf37fcb5d38cea33e35d6f1546e07507ccd69
AgentTesla
c22334a30489c310ccebd2eb69b289bf3f01461a72a4da146a59cdaa06283e04
AgentTesla
db588601834bc74c9ea1b97b455c5fe3f39fa8e88a4a35982c3030b643d0aed7
AgentTesla
e6b297fc5effcaa65ed935f78e8b663257f447a9f569c4da0411854fe28a75e7
AgentTesla
+ 423 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/231016-qthzjaff3z/
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:
70ea423b74baa3532f34a564460cd22a7c6715ec226f2f3d8e464f85a500a2d3
MD5 hash:
9156de22e7463e84ccccf1c028f3f171
SHA1 hash:
f816184613e86baae0704e33a152e9b6f659c47c
Link:
https://www.unpac.me/results/bf967543-a4ba-4d38-ab3a-ca04958f7523/
SH256 hash:
0b4c93addb0071e4cc368bc5e46a535e2eafd360b5db8b6c87620d7225eade2d
MD5 hash:
e17d9bb18c1bf12de8c75fa570f4cf72
SHA1 hash:
97751a31524557387d136e0e42e204186d00b5dd
Link:
https://www.unpac.me/results/bf967543-a4ba-4d38-ab3a-ca04958f7523/
SH256 hash:
25f455f936fb8836b363683c409396ce338b6a38b92da08ebe7b7442be710fb5
MD5 hash:
e7bc7eb1caff2058f727a39eff9247e3
SHA1 hash:
3a5c5285262f0d10fff8756fc071b139da23e803
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/bf967543-a4ba-4d38-ab3a-ca04958f7523/
Parent samples :
25f455f936fb8836b363683c409396ce338b6a38b92da08ebe7b7442be710fb5
c22334a30489c310ccebd2eb69b289bf3f01461a72a4da146a59cdaa06283e04
e6b297fc5effcaa65ed935f78e8b663257f447a9f569c4da0411854fe28a75e7
c1d57ced264a612aa7069940bd8bc2ad9b1b5d66cf8258ed58027b6101d60e28
ec782c6c9788c784234f2bf815b0a2774d55e5a08d42aac4ddc79f8710b4d469
d228edad00c7342f36732017beec3c7ea9057b6ff8c527198ab29d9eefcee645
7eaae233b18c778b06506f210e3c6f3076bcd1957930b3ced131749683d05703
71357accda25349b67f991641c8e64697016e6ca4046602dca0c7ca253ad582f
1e1a3828028401c6052fd951935347159121c19c01e7dc47fa2d4620a60c720d
f1a6e53beb7e03091a732ba8d1093eb5162dd620c85f7ee44bdc6efe25c3c853
6398b922ae61c54c8ccc93725d584c8e3f0c3005716cd21fd63fb79e3bc78836
4e9869213e582a8e92d9404c2d74019b550c4363c5855bb6d8a6698a417bc64c
f90d6b1d57aa25effd10bfff611d754196e2244df30a2da41a2ba56eed8d9bad
47fc622827b4898f1fd2735731f6d8c03ba59f65c81411233d4844211749262e
5f934b9c66294466761558a608c02f2d3f73dc5a05a63bb52a5e0e1b0a9a173a
eb0c9f7ff7106033740df49533023ab8c93304ec66c76496dde0aab528a7472a
SH256 hash:
c1d57ced264a612aa7069940bd8bc2ad9b1b5d66cf8258ed58027b6101d60e28
MD5 hash:
4cbc88d7d3165e8439950c26550df3c0
SHA1 hash:
e9c132e994176ea3ed151d280c5fc11c48ce5649
Link:
https://www.unpac.me/results/bf967543-a4ba-4d38-ab3a-ca04958f7523/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c1d57ced264a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.48
Link:
https://yomi.yoroi.company/submissions/c1d57ced264a612aa7069940bd8bc2ad9b1b5d66cf8258ed58027b6101d60e28

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 86d39fc9c0ea1c9764f031fa50db577a666449526ec1397d291a2e9134711c4c

AgentTesla

Executable exe c1d57ced264a612aa7069940bd8bc2ad9b1b5d66cf8258ed58027b6101d60e28

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/454879/
  
Dropped by
SHA256 86d39fc9c0ea1c9764f031fa50db577a666449526ec1397d291a2e9134711c4c
  
Dropped by
MD5 959c7f1ce765d916ee828cf98cd546a7

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