MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d937b12e3eb1af2267ec3056f84a62d66f620273a068820b9c650b42391365ab. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d937b12e3eb1af2267ec3056f84a62d66f620273a068820b9c650b42391365ab
SHA3-384 hash: 71c2b9c62aceec1106e3ab2dc4bc91e3d280d2633b48a9f668e27ca505a8d01a6b3df3d9e7497542273aa94a7dfbe408
SHA1 hash: 0da2cfd97df2fa8cb4baf57665670ab528101fb9
MD5 hash: db1fd83e3a974fd10434471ed0f327e6
humanhash: kitten-venus-eleven-glucose
File name:PO_08152023.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:155'136 bytes
First seen:2023-08-15 08:42:56 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 1536:nHJNA3mEUR1WLJtuWJEwofBydR8feSNV15DVQA2pG9VmVGMonFNdl5PAaZ/Sv939:Hk3rURItwWJ7os6NvlgY9UjufhAP8tG
Threatray 5'569 similar samples on MalwareBazaar
TLSH T1CEE3170BB78B87B2C6410739D6EB52104374D79BF363C24BB08DA3161B137E9A97664B
TrID 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
319
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PO_08152023.exe
Verdict:
Malicious activity
Analysis date:
2023-08-15 08:44:12 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/865a4a64-2b0c-4d75-abc4-81cf56c32b1c

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/442744/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/d937b12e3eb1af2267ec3056f84a62d66f620273a068820b9c650b42391365ab
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/fe0e58a3-e0a1-45ab-9fd4-0fcad770eba5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1291313
Signature
.NET source code contains potential unpacker
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
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: Drops script at startup location
Snort IDS alert for network traffic
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1291313 Sample: PO_08152023.exe Startdate: 15/08/2023 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 10 other signatures 2->56 7 PO_08152023.exe 15 6 2->7         started        12 wscript.exe 1 2->12         started        process3 dnsIp4 36 xxw7ja.ch.files.1drv.com 7->36 38 web.fe.1drv.com 7->38 40 2 other IPs or domains 7->40 30 C:\Users\user\AppData\...\Pqzhdgqukak.exe, PE32 7->30 dropped 32 C:\Users\user\AppData\...\Pqzhdgqukak.vbs, ASCII 7->32 dropped 62 Drops VBS files to the startup folder 7->62 64 Writes to foreign memory regions 7->64 66 Injects a PE file into a foreign processes 7->66 14 MSBuild.exe 14 2 7->14         started        18 MSBuild.exe 7->18         started        20 Pqzhdgqukak.exe 14 5 12->20         started        file5 signatures6 process7 dnsIp8 42 discord.com 162.159.128.233, 443, 49743, 49746 CLOUDFLARENETUS United States 14->42 68 Tries to steal Mail credentials (via file / registry access) 14->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->70 44 xxw7ja.ch.files.1drv.com 20->44 46 web.fe.1drv.com 20->46 48 2 other IPs or domains 20->48 72 Multi AV Scanner detection for dropped file 20->72 74 Machine Learning detection for dropped file 20->74 76 Writes to foreign memory regions 20->76 78 Injects a PE file into a foreign processes 20->78 22 MSBuild.exe 20->22         started        26 MSBuild.exe 20->26         started        28 MSBuild.exe 20->28         started        signatures9 process10 dnsIp11 34 discord.com 22->34 58 Tries to steal Mail credentials (via file / registry access) 22->58 60 Tries to harvest and steal browser information (history, passwords, etc) 22->60 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d937b12e3eb1af2267ec3056f84a62d66f620273a068820b9c650b42391365ab/
Threat name:
Win32.Trojan.Seraph
Create hunting rule
Status:
Malicious
First seen:
2023-08-15 08:43:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3e33clr6wgxsez7mgblpqstc2zxweattubuiec44mufueoitmwvq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0658452ccc78328852c795489f159daee6833e8101dc16ac93538c6c7c8b39df
AgentTesla
0f249132a60bf6e772fc500ac0fe11a564feae9e738f29c40424f88ff5ba623f
AgentTesla
1f2d3d8890dd9e64645db50eeb14ff707f855defcfdd55eb5fe49f409373ca56
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6544731644361dc0564b8286eafbfcc5e57c1a1fd5fbbbcb3f8316f81c6b3723
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793e60744aa163e0da636233df2fc83f43d447cddf4a89b28ff15a0ca95e69f9
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9f67e7fe9d42fd8fdb38ad26d81b93a2d6bf143e3ca5b7ca72733605b2dc2f5b
AgentTesla
a19c0c04a2c24a58561e7e3ac33044236b7978c2b7f18958e52af6a37705b6b5
AgentTesla
ac0ec8320601c7a274a4a97536cc6f3387964581b1a676d0c276381437967ca0
AgentTesla
e548b630d4bb71e90b02d96f0088b174e886777980bace4e182ad076bb398b6f
AgentTesla
f9c4bbc7b6a427a5fcd5d462d402456e604e7fcf1a21d350f3cc7f894f0e4484
AgentTesla
+ 5'559 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230815-kmkxnabg4v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Unpacked files
SH256 hash:
d937b12e3eb1af2267ec3056f84a62d66f620273a068820b9c650b42391365ab
MD5 hash:
db1fd83e3a974fd10434471ed0f327e6
SHA1 hash:
0da2cfd97df2fa8cb4baf57665670ab528101fb9
Link:
https://www.unpac.me/results/b81e1dad-22d3-405f-9648-f95e07902ab2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d937b12e3eb1/report/overview.html
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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Malspam

AgentTesla

Executable exe d937b12e3eb1af2267ec3056f84a62d66f620273a068820b9c650b42391365ab

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/442744/

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