MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b812b1cc1c9ba19831ba71423031bd8c1e92ffd64e51cf811b686c7dd95b72ed. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b812b1cc1c9ba19831ba71423031bd8c1e92ffd64e51cf811b686c7dd95b72ed
SHA3-384 hash: 872c64ca554b64fd10d3480fa2384b5c90ace992e688f3181a55732625cf29b7fb2ad9a731c4c8d3c9014bb99827fb8c
SHA1 hash: 2c5e5927bb3851f06cc82b15e96788b644494e73
MD5 hash: 98eeb0d05354fc96fc664ecb08968237
humanhash: jersey-mexico-white-magazine
File name:PO2300109.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:813'568 bytes
First seen:2023-03-16 15:07:44 UTC
Last seen:2023-03-17 13:37:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:oDJQwcMzNfMktgaXZKKAUZtSpdOTxkdzQ:3MhNgaXZXK
Threatray 134 similar samples on MalwareBazaar
TLSH T13A05020CBEE5B528CA2D0B77D0E360A097B699074F41D70A9DCA16E32F227D7C944D6B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 8e0d8c1414e87f8e (7 x AgentTesla, 6 x Formbook, 4 x SnakeKeylogger)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
226
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO2300109.exe
Verdict:
Malicious activity
Analysis date:
2023-03-16 15:10:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4666f5af-c1e0-49e6-851a-da4539c5fffb

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/374809/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/641330d4c65d1ebf04c0b8d3/reports/56a3f621-0a5c-45ad-8957-1645bc8451df/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b812b1cc1c9ba19831ba71423031bd8c1e92ffd64e51cf811b686c7dd95b72ed
Result
Verdict:
UNKNOWN
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/614a201a-4ba3-4a54-bc83-85dd79c2a3c1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1195080
Signature
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 827989 Sample: PO2300109.exe Startdate: 16/03/2023 Architecture: WINDOWS Score: 100 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected AgentTesla 2->51 53 Machine Learning detection for sample 2->53 7 PO2300109.exe 7 2->7         started        11 IQddrs.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\IQddrs.exe, PE32 7->31 dropped 33 C:\Users\user\...\IQddrs.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp678C.tmp, XML 7->35 dropped 37 C:\Users\user\AppData\...\PO2300109.exe.log, ASCII 7->37 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 May check the online IP address of the machine 7->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->59 67 2 other signatures 7->67 13 PO2300109.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 65 Injects a PE file into a foreign processes 11->65 21 IQddrs.exe 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 39 api4.ipify.org 173.231.16.76, 443, 49698, 49702 WEBNXUS United States 13->39 41 mail.southernboilers.org 199.79.62.12, 49699, 49703, 587 PUBLIC-DOMAIN-REGISTRYUS United States 13->41 43 api.ipify.org 13->43 69 Installs a global keyboard hook 13->69 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        45 api.ipify.org 21->45 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->71 73 Tries to steal Mail credentials (via file / registry access) 21->73 75 Tries to harvest and steal browser information (history, passwords, etc) 21->75 29 conhost.exe 23->29         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b812b1cc1c9ba19831ba71423031bd8c1e92ffd64e51cf811b686c7dd95b72ed/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-03-16 10:35:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xajldta4toqzqmn2ofbdamn5rqpjf76wjzi47ai3nbwh3wk3olwq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0f59ae24c5d8a02526fa039f3e03889984830a59ad179dc266c76577a7f30b67
AgentTesla
1362682524ed6524e23b955c9f0394be0f4bfc7b668928947da05239878fe75d
AgentTesla
49b6270664cf79165e32c67e4bfdbc258ffe55bbc7e56475918e4760172bcf49
AgentTesla
918057f4d236bf49e9efaceb3c4aaab580baf9960ac45d2fe8d97c5d98111f73
AgentTesla
94050c1bf88c84d698a636916155475a4501012d9b75cc38b6e344490470cac7
AgentTesla
a8c3da8603f25f41857ee7ccde840828c700867c91f49e7e16dce2a0fdd1ffaf
AgentTesla
c7ea53e57251629a3485c588848a8f99362035170807b2aa95355be6fb8055f4
AgentTesla
d7573c48df121d2209f33f38cbbe52b37ca66f60584bf3161a1c2df4c9e0a404
AgentTesla
e52bcbeaffe46a94b7dec2d73f1560e80c30061ddb845dcc50b57a3d2d9f7f65
AgentTesla
f81ea0341cc62ab6c2d730bcfd2d03ec3a970030b028c2083c3e4cb59b2efe9e
AgentTesla
+ 124 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/230316-shwgladg2t/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
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:
433bfdeb5a7cc39560a20a30cb55b4f2353e4b0260bf3dd80ddcdd4c6438a8ff
MD5 hash:
6e257fd5067c47429341d3ab0e284ff5
SHA1 hash:
b721497249baaeaea9b60f894480421533fffe81
Link:
https://www.unpac.me/results/2673ae7d-4e37-40b8-bb0a-fef8db6c4480/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/2673ae7d-4e37-40b8-bb0a-fef8db6c4480/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
6daad44591473ba475b59ed22ede1b8736222e9d1c4ab584098925a605d50429
MD5 hash:
74b93316d80da43194894cd6edc0d454
SHA1 hash:
84727abc3320c92474f6509cc1fec9b9d77dcde4
Link:
https://www.unpac.me/results/2673ae7d-4e37-40b8-bb0a-fef8db6c4480/
SH256 hash:
18a045546883935fd01918c97ace863733465250f2ac696a202c164e8ea2edc0
MD5 hash:
1e248802b201c2e1eb09ab689d742c2f
SHA1 hash:
2b9d7682f1eb0116cbd66e7685d1afa5fdc1d113
Link:
https://www.unpac.me/results/2673ae7d-4e37-40b8-bb0a-fef8db6c4480/
SH256 hash:
d1782186cefcd6c9f33cd356ea14d494de0ac19287876475c64f3ff48f4d5033
MD5 hash:
3df9d03e152dad0febcad0abbd666b9c
SHA1 hash:
1885f575aaf49a32993212401d6cfdea76d864d2
Link:
https://www.unpac.me/results/2673ae7d-4e37-40b8-bb0a-fef8db6c4480/
SH256 hash:
b812b1cc1c9ba19831ba71423031bd8c1e92ffd64e51cf811b686c7dd95b72ed
MD5 hash:
98eeb0d05354fc96fc664ecb08968237
SHA1 hash:
2c5e5927bb3851f06cc82b15e96788b644494e73
Link:
https://www.unpac.me/results/2673ae7d-4e37-40b8-bb0a-fef8db6c4480/
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/b812b1cc1c9ba19831ba71423031bd8c1e92ffd64e51cf811b686c7dd95b72ed

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

File information

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

Malspam

AgentTesla

zip 3eb9752edb59b7793fbb8e112b0c82dbdfb0d8de982f068ce7a0d7be6b71c86b

AgentTesla

Executable exe b812b1cc1c9ba19831ba71423031bd8c1e92ffd64e51cf811b686c7dd95b72ed

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/374809/
  
Dropped by
SHA256 3eb9752edb59b7793fbb8e112b0c82dbdfb0d8de982f068ce7a0d7be6b71c86b
  
Dropped by
MD5 3733e28a86628b10da4ce197a4b1f458

Comments