MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6a036e31e8bb26cf47dd8d3bee915debee906e4cf399ff7da29ca2b785d8cee. 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: a6a036e31e8bb26cf47dd8d3bee915debee906e4cf399ff7da29ca2b785d8cee
SHA3-384 hash: 3d6b0f645be9fba845c66f0140f99cf055cc7470b412e12818a20edcf2cee9c5ede3d8ced9cca4ad48306ce5409c7280
SHA1 hash: 63fa1c69e7263e538b0eda22edec8ed191723333
MD5 hash: b9feeb00b1711ad8986281d2c80e5124
humanhash: neptune-california-comet-golf
File name:TT COPY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:670'208 bytes
First seen:2022-01-25 06:17:32 UTC
Last seen:Never
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:M/GjApppAU/+jsAcqEbckfqqlmFbWM4CH818h1Uh1RorimdRU5tG5h5FN/hVD:M/GjA1AvsAGIs8bWM4Ccy0Ro3dLjb/h1
Threatray 13'999 similar samples on MalwareBazaar
TLSH T1C5E4E1B6B4324591EC7FC63063351A4C4F297E77D8A6B23C0A88B55A26F33D6463781B
File icon (PE):PE icon
dhash icon f989a898b484de18 (5 x AgentTesla, 1 x RedLineStealer, 1 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/222167/
Detection(s):
Win.Malware.Cyzd-6937835-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/61ef961ff81da814afa26048/reports/fd791248-9d1e-4d87-a7b9-5ed9e7018c71/overview
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:
Rebhip
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/602e63f1-a600-4ec8-86e2-954afec4a99e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/926791
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Allocates memory in foreign processes
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
Modifies the hosts 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: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 559269 Sample: TT COPY.exe Startdate: 25/01/2022 Architecture: WINDOWS Score: 100 38 nkr.com.pk 2->38 40 mail.nkr.com.pk 2->40 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Yara detected AgentTesla 2->54 56 9 other signatures 2->56 8 TT COPY.exe 6 2->8         started        12 tKZVPq.exe 2 2->12         started        14 tKZVPq.exe 1 2->14         started        signatures3 process4 file5 32 C:\Users\user\AppData\...pQnRFiwxIKsw.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\Local\...\tmpF7D3.tmp, XML 8->34 dropped 36 C:\Users\user\AppData\...\TT COPY.exe.log, ASCII 8->36 dropped 58 Writes to foreign memory regions 8->58 60 Allocates memory in foreign processes 8->60 62 Injects a PE file into a foreign processes 8->62 16 RegSvcs.exe 2 4 8->16         started        20 schtasks.exe 1 8->20         started        22 conhost.exe 12->22         started        24 conhost.exe 14->24         started        signatures6 process7 file8 28 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 16->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 16->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->44 46 Tries to steal Mail credentials (via file / registry access) 16->46 48 4 other signatures 16->48 26 conhost.exe 20->26         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a6a036e31e8bb26cf47dd8d3bee915debee906e4cf399ff7da29ca2b785d8cee/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-25 06:17:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u2qdnyy6rozgz5d53dj352iv327osbxez44z7562fhfcw6c5rtxa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0453fa0ddd89c1887c67eceae11f4f1e0f4e37d776df53204508c1c4dbbc013e
AgentTesla
074df4d5efd64f143ab55fa20e5133a62dee4cf95a4622ebbb1aa805837add24
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1e445903c2ad292aee910f3551e9ca0feca04c4b44497e27fa3cdf5c0f15c0cb
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1fc86c47ffbc922b4794aa568d681c4632cb69a41a3b89e6bca1c49cc87f0c1f
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34c24059b49ba7aeb7738a40c2ce6f405a641646bfa6899f1a3199fac5ca89ec
AgentTesla
86f05b46beceee5220439b9b874e58ff20fc54526c2b7b494797be7c50078125
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8db415977dd7c96f0dc85b6adcdd60a714f9e4a2655afb843e776da2e22c6082
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cbbbe050961a250cf380309380aa374ba678aa573252704383a52ca6d1ad9768
AgentTesla
ccd3b1025026f005eab390a02815e3689f879ea7ad985f5aa760b208d4f27318
AgentTesla
+ 13'989 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/220125-g2ms1sacb6/
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
ce65cd65d578799dd1218d39478b9013b316d3e1697cbf0b777f6db3d71d846c
MD5 hash:
7d2ac2ee5fa7f4c958a9a60de4de89de
SHA1 hash:
73d861f816e3ed0658207e9dbcdb2373d2ab6367
Link:
https://www.unpac.me/results/427127b9-2b5f-4d93-b4fd-c7e3f275cf7e/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/427127b9-2b5f-4d93-b4fd-c7e3f275cf7e/
SH256 hash:
0c2b9d7e88494bf33818f521280542695f2d081a42749bd37403acaa7b0fee82
MD5 hash:
cab853d3fa91bd200b5a68349d867313
SHA1 hash:
1b4c6de4c376e49c4ddc70bca0ede5ace767fcd8
Link:
https://www.unpac.me/results/427127b9-2b5f-4d93-b4fd-c7e3f275cf7e/
SH256 hash:
a6a036e31e8bb26cf47dd8d3bee915debee906e4cf399ff7da29ca2b785d8cee
MD5 hash:
b9feeb00b1711ad8986281d2c80e5124
SHA1 hash:
63fa1c69e7263e538b0eda22edec8ed191723333
Link:
https://www.unpac.me/results/427127b9-2b5f-4d93-b4fd-c7e3f275cf7e/
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/a6a036e31e8bb26cf47dd8d3bee915debee906e4cf399ff7da29ca2b785d8cee

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

Executable exe a6a036e31e8bb26cf47dd8d3bee915debee906e4cf399ff7da29ca2b785d8cee

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/222167/

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