MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb56a616b456b089946738d62f352b134934ce2e9e23ce00cfc803e35748cfce. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb56a616b456b089946738d62f352b134934ce2e9e23ce00cfc803e35748cfce
SHA3-384 hash: 783212cbe2af9cd95ae5873c0152f6e80ed96eacca6bce76b98f2a6f3f96f096a6671e5bc088ad853d35af5e123b5851
SHA1 hash: d94d75a811885152bf7764529afbe79e6dfcd078
MD5 hash: 92330463b66638fc2f745cba74d1638f
humanhash: winner-enemy-video-wolfram
File name:RFQ235658.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:689'664 bytes
First seen:2023-12-01 09:20:03 UTC
Last seen:2023-12-01 11:25:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ACwAJyImgqzkUB/hBnpxRRR7g6xrZUbygh9sUOd:yAJqBLnjCmgJhrOd
Threatray 3'282 similar samples on MalwareBazaar
TLSH T110E4132133999362E17E5BFB6894940843B3B9135450E31C8EE610DFAB32751DAF1FAB
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 30e8ccd4716961e8 (15 x AgentTesla, 3 x Formbook, 1 x Loki)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
324
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/461663/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Sending an HTTP GET request
Stealing user critical data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/cb56a616b456b089946738d62f352b134934ce2e9e23ce00cfc803e35748cfce
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/bb0cffd9-29fe-4549-b26b-6d920593a19c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1351262
Behaviour
Behavior Graph:
n/a
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb56a616b456b089946738d62f352b134934ce2e9e23ce00cfc803e35748cfce/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-01 07:59:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=znlkmfvuk2yitfdhhdlc6njlcnetjtrotyr44agpzab6gv2iz7ha._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
0326c4ad07721087e1233d322222f2b787e19f9e795cf6c46d36f6e69d482826
AgentTesla
1e7617d15a0ba3358c412bf17bc39aa9c145f83c9c3488a4b8499fa69991e5d3
AgentTesla
589d31dcf63d462d0f1a10654d01feaca4c029332048237ed6129965f30f1415
AgentTesla
9b5d4319bc8665a9400610280c9422733f1926735a0174f557cf8b28f3a06904
AgentTesla
cb56a616b456b089946738d62f352b134934ce2e9e23ce00cfc803e35748cfce
AgentTesla
+ 3'272 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231201-lavrrsgf61/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
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:
c0d9a1625750ba1245351577b1418605803a1eec81ecf80d74598fa5262c6754
MD5 hash:
c11763c4998feffed1e0978d4bbd5d85
SHA1 hash:
f3d1daebe645b15a2406f9b211c0ed3f12b4d9a6
Link:
https://www.unpac.me/results/d23762d7-c9ee-413e-b895-956b94b8cb06/
SH256 hash:
bc99dcc182eaf17394c34611c1aef4ad45c3079ae116c19caa17620d64c39f7c
MD5 hash:
84fe0cc42b4f30e7b6f58c92f9ad3d56
SHA1 hash:
d753cc7cc8e2927f9cde57fb67b5bceebd2f5fd2
Link:
https://www.unpac.me/results/d23762d7-c9ee-413e-b895-956b94b8cb06/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/d23762d7-c9ee-413e-b895-956b94b8cb06/
SH256 hash:
66dc01bb9b8651992d1a2bac3943cb16035761292630d0354ac161c54dfd7d05
MD5 hash:
8d88257c3348cd1347993044622233e4
SHA1 hash:
99a9c29717a1dce9371567bc4b15e88eeca3d92e
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
Link:
https://www.unpac.me/results/d23762d7-c9ee-413e-b895-956b94b8cb06/
Parent samples :
589d31dcf63d462d0f1a10654d01feaca4c029332048237ed6129965f30f1415
ed3b9198a931bf13b81f4a92d8122edf074519e72310365c2fc4f7d9f3bbd9a9
9b5d4319bc8665a9400610280c9422733f1926735a0174f557cf8b28f3a06904
1e7617d15a0ba3358c412bf17bc39aa9c145f83c9c3488a4b8499fa69991e5d3
cb56a616b456b089946738d62f352b134934ce2e9e23ce00cfc803e35748cfce
340d16854967a7c5d1b613d471f0b0c0ace3c88e26a38318b754df75a5638f33
55117ad52823e037d345b3fd86b13e81f4b88aecbb548f733ee5beeb91209438
56ec132d9642242d2426063fb8763cb8d74973bbc186fd6d55eeebf3936a60f7
SH256 hash:
0e8a5f6bd3e915b9d2fae9428730dc5017348d23b622bccbb1971e352052734b
MD5 hash:
56feb04fdc8b0453c62267ac204ed555
SHA1 hash:
7d41fb41cac90bea85cb6691a5945568115cbcbf
Link:
https://www.unpac.me/results/d23762d7-c9ee-413e-b895-956b94b8cb06/
SH256 hash:
cb56a616b456b089946738d62f352b134934ce2e9e23ce00cfc803e35748cfce
MD5 hash:
92330463b66638fc2f745cba74d1638f
SHA1 hash:
d94d75a811885152bf7764529afbe79e6dfcd078
Link:
https://www.unpac.me/results/d23762d7-c9ee-413e-b895-956b94b8cb06/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cb56a616b456/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/cb56a616b456b089946738d62f352b134934ce2e9e23ce00cfc803e35748cfce

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:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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

Executable exe cb56a616b456b089946738d62f352b134934ce2e9e23ce00cfc803e35748cfce

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/461663/

Comments