MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0aa33a46ce0903294bbaab17ef7efc361d9986d342097973dc76bdd721e68e05. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0aa33a46ce0903294bbaab17ef7efc361d9986d342097973dc76bdd721e68e05
SHA3-384 hash: 47d4f11d272bfd592106753bcf546c424cf8827e2944ee686fdbed701ab171b71c7f0ef3ac95217f0a738783b812bbdb
SHA1 hash: 115ddb86b3070d3d8706f96f5f8dc90a1523d973
MD5 hash: 2fc09da8694c3029b42e23947c390b50
humanhash: east-black-mockingbird-mirror
File name:Shandong CIRS Form.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:615'424 bytes
First seen:2021-04-05 06:25:51 UTC
Last seen:2021-04-05 07:10:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:HDAxu7Ud2SYoFEg36hyYS7giSZIkZATX:8xuwd2SYoFj36hyYc9SZIkZ6
Threatray 3'673 similar samples on MalwareBazaar
TLSH 7FD427B872E1E679C814827169217C7243F19CE4DC73EA15ADDCF9E09130EAD2FA1A47
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
167
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shandong CIRS Form.exe
Verdict:
Malicious activity
Analysis date:
2021-04-05 06:27:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c4471eb2-999b-4261-bc90-a27169207825

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/132145/
Detection(s):
SecuriteInfo.com.Artemis2FC09DA8694C.13676.20838.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
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/a8115d39-916f-4bbb-8796-af7007fa97cf
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/665796
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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 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 ftp login credentials
Tries to steal Mail credentials (via file 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 signatures2 2 Behavior Graph ID: 381824 Sample: Shandong CIRS Form.exe Startdate: 05/04/2021 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->60 62 9 other signatures 2->62 7 Shandong CIRS Form.exe 6 2->7         started        11 NewApp.exe 4 2->11         started        13 NewApp.exe 3 2->13         started        process3 file4 34 C:\Users\user\AppData\...\BIFAAgJzCBar.exe, PE32 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmpEBDE.tmp, XML 7->36 dropped 38 C:\Users\user\...\Shandong CIRS Form.exe.log, ASCII 7->38 dropped 64 Writes to foreign memory regions 7->64 66 Allocates memory in foreign processes 7->66 68 Injects a PE file into a foreign processes 7->68 15 MSBuild.exe 2 6 7->15         started        20 MSBuild.exe 7->20         started        22 schtasks.exe 1 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 40 smtp.yandex.ru 77.88.21.158, 25, 49721, 49724 YANDEXRU Russian Federation 15->40 42 192.168.2.1 unknown unknown 15->42 30 C:\Users\user\AppData\Roaming\...30ewApp.exe, PE32 15->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 15->32 dropped 44 Tries to steal Mail credentials (via file access) 15->44 46 Tries to harvest and steal ftp login credentials 15->46 48 Tries to harvest and steal browser information (history, passwords, etc) 15->48 54 3 other signatures 15->54 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->50 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->52 28 conhost.exe 22->28         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0aa33a46ce0903294bbaab17ef7efc361d9986d342097973dc76bdd721e68e05/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-04-05 04:39:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
13 of 48 (27.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bkrturwobebsss52vml667x4gyoztbwtiiexs464o265oipgrycq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0a730a1310ede38cd0698606ccbe1a8bbd46c15308a735b1fbfe984a123bbe8d
AgentTesla
29890b01a73b6721cf2e80232cc366b95be2eeb81bd7beb72372cd3ae4f05293
AgentTesla
3ad6ce8aaf456bd0cfd4ea3f7be02d9d08b5e74249e1bb49be61ff58ed61f675
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4c482b22456df2e37106d59a8afeccdeb736ee89b13b3de6968acee2f3ce9f25
AgentTesla
61d4dd89bcb94b321942a0ebc30ad2319411eff15bc24ab4769fd00a20a92188
AgentTesla
672a61ad27f7bafa74b86dffa95262a18256d48cf3f1aa74c5b6907cefd9cad1
AgentTesla
93bb62774d2359778e34985d5c7fc6be51f91e48706509b8698714f0b5f46a46
AgentTesla
9425a24231d1dad3484de480d65843e7f1b60fd04d753c9f8cb8b093a022e7f2
AgentTesla
ebdb5f9167c925da14a5783a022be63ac4daeeb7515692c7cd50c37a7851e7e4
AgentTesla
f349ed3a3e5bab8bc5694ba8885e6717c049064394682b240afe62ede7f67a9e
AgentTesla
+ 3'663 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210405-ba6wahen5x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
b949742054fcc2c2b9bbcb474b8ad9f7bb6e959e9416b8bc52ed59994f2ec5b4
MD5 hash:
d314aea6a26514e04731d7cc31397dae
SHA1 hash:
9ca0ad41c6cb8b69b4412d637ea09bef26a81094
Link:
https://www.unpac.me/results/5d9607e0-2a59-44cd-9c61-e5308669b72e/
SH256 hash:
66053f0bbc096f27dac57c6b1decd748cc1cb1195881fd305ef15fa38e5beb06
MD5 hash:
ffe6ef2610e383840d5c574895e44e79
SHA1 hash:
7aa3def0b39ba4b6e122b5603b33cdf00bcdc564
Link:
https://www.unpac.me/results/5d9607e0-2a59-44cd-9c61-e5308669b72e/
SH256 hash:
7c7e3c86933ca74401d62d48c2869cd3eeedf6c2aaf9832d3c26a1fc932493eb
MD5 hash:
97085ecc89a19356ef2fb5aa08462992
SHA1 hash:
40372867a194d36fe89d5d4c75922f8d0d679c3e
Link:
https://www.unpac.me/results/5d9607e0-2a59-44cd-9c61-e5308669b72e/
SH256 hash:
0aa33a46ce0903294bbaab17ef7efc361d9986d342097973dc76bdd721e68e05
MD5 hash:
2fc09da8694c3029b42e23947c390b50
SHA1 hash:
115ddb86b3070d3d8706f96f5f8dc90a1523d973
Link:
https://www.unpac.me/results/5d9607e0-2a59-44cd-9c61-e5308669b72e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0aa33a46ce0903294bbaab17ef7efc361d9986d342097973dc76bdd721e68e05

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

rar 01327cbb9dcf2149ac4663afe116fb816179c395a2ea44a26b6bf67fb2bd27fb

AgentTesla

Executable exe 0aa33a46ce0903294bbaab17ef7efc361d9986d342097973dc76bdd721e68e05

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 01327cbb9dcf2149ac4663afe116fb816179c395a2ea44a26b6bf67fb2bd27fb
Cape
Cape
https://www.capesandbox.com/analysis/132145/

Comments