MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cd4c16a13548868b46418bc0cff17da000d0e7a11f64124307d67cc6f3e244c. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cd4c16a13548868b46418bc0cff17da000d0e7a11f64124307d67cc6f3e244c
SHA3-384 hash: 90fa72971648ae758ce8002037bdfed1fb1e76489cc46b11ee39607507aaed9b40987899a4ff01db3cd9e98b6af2d241
SHA1 hash: a570b8081cadd820dacc720017c69b9e17fe5650
MD5 hash: 51c39a69d98c231af7336173ce5dad27
humanhash: glucose-florida-xray-three
File name:SKMBT_28321061013580.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:943'616 bytes
First seen:2022-04-11 08:24:51 UTC
Last seen:2022-04-18 12:38:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:2rrEzWIpakyWqiJwt6UkOkzXeVBHy4KaQ6Luv+:eQy7GwwUrkzuVNhVcv
Threatray 15'824 similar samples on MalwareBazaar
TLSH T19415F101F775AA01C47C4DF399E6169B4BB1C502D021C6CB3FF93A4AC922F9B396865B
File icon (PE):PE icon
dhash icon 71e89ebab2aeec70 (14 x AgentTesla, 13 x Loki, 13 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
6
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SKMBT_28321061013580.exe
Verdict:
Malicious activity
Analysis date:
2022-04-11 08:28:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/54415765-2fed-49dc-9464-20a9bcfb4aa4

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/262621/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.27176.26503.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe greyware obfuscated packed remote.exe replace.exe update.exe
Link:
https://www.filescan.io/uploads/6253e5e30d7cd5530a803a49/reports/d4802844-efe3-480c-94f6-a4229df87dbd/overview
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/44854bd6-a43e-4827-80ad-ed9fb1e2c243
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/974357
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 606843 Sample: SKMBT_28321061013580.exe Startdate: 11/04/2022 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 8 other signatures 2->57 7 SKMBT_28321061013580.exe 7 2->7         started        11 NXLun.exe 4 2->11         started        13 NXLun.exe 2->13         started        process3 file4 35 C:\Users\user\AppData\...\TmcDLkPAGaw.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmpAB6A.tmp, XML 7->37 dropped 39 C:\Users\...\SKMBT_28321061013580.exe.log, ASCII 7->39 dropped 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 7->63 65 Injects a PE file into a foreign processes 7->65 15 SKMBT_28321061013580.exe 2 5 7->15         started        19 powershell.exe 25 7->19         started        21 schtasks.exe 1 7->21         started        23 SKMBT_28321061013580.exe 7->23         started        67 Multi AV Scanner detection for dropped file 11->67 69 Adds a directory exclusion to Windows Defender 11->69 25 powershell.exe 11->25         started        27 schtasks.exe 11->27         started        signatures5 process6 file7 41 C:\Users\user\AppData\Roaming\...41XLun.exe, PE32 15->41 dropped 43 C:\Windows\System32\drivers\etc\hosts, ASCII 15->43 dropped 45 C:\Users\user\...45XLun.exe:Zone.Identifier, ASCII 15->45 dropped 47 Modifies the hosts file 15->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->49 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cd4c16a13548868b46418bc0cff17da000d0e7a11f64124307d67cc6f3e244c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-11 07:49:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rtkmc2qtksegrndedc6az7yx3iaa2dt2ch3ecjbqpvt4y3z6erga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3992620649e55f12d81733c1002250472a89ab004888c8224b52daa138cf6de6
AgentTesla
455f8ac7989fcb89c80af780f91d1d3572a4728c24b712ece44fc2d4b6e65cb9
AgentTesla
6d2c47fe5541d21ee428129c9437dbb8862b57ceba5f29061c4c930c781e84ae
AgentTesla
83a8cc912b1a3d00f24d9de117fce9e695e62ace9d45ad22ec57ba903bcdecfd
AgentTesla
8e65828c8fd061863c6432c11716349486bdb2d0bdec577d9f9274630a05979c
AgentTesla
9057e198622605317bb2c4d90975a1e5af66f36f5f1b9df4ab5bbaa731db6492
AgentTesla
94b146aebc29c43c227467947ab95df41ffe9795d131c0e16ec54edf232a685a
AgentTesla
c6bc37b9b93e93f39296d39637be34e5146114806c16636e084457b07cc8b826
AgentTesla
efc0dcbe7726bbca854d51057a8525f34832de01f2054718af061fcdfd24a913
AgentTesla
+ 15'814 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/220411-ka911sfdf8/
Behaviour
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1611551445:AAFDJ3yQMlB3zXJGib2_TFkq1jedBMj3GTw/sendDocument
Unpacked files
SH256 hash:
007694272e71c5aa5e99bee9e6f9a48bd591a5f1d84f7e4d82b86d32570815b0
MD5 hash:
df10f342c5a36206cae9c53f0fbda9dd
SHA1 hash:
fc0e8645a7ed3fe8eb6a6ec45e34753baa2b1461
Link:
https://www.unpac.me/results/cacde4f8-f207-4096-bfcb-677a10a4a43e/
SH256 hash:
affe84bc8181b70807b889c6114a3c30297a048903364c36ce1a7a2c0b3fccdb
MD5 hash:
71377c9c84567703bc882a3f01e45d14
SHA1 hash:
95e477d3829d52eaba483583446192a9f6204154
Link:
https://www.unpac.me/results/cacde4f8-f207-4096-bfcb-677a10a4a43e/
SH256 hash:
80587a79daf067d58030e9eaba76231c48752f2da3942dbb895d5fff608042b6
MD5 hash:
3bf81639e911b3dc6cf18c3f173de40e
SHA1 hash:
0ef57931b09f0c38a2e520965137041f16abf97c
Link:
https://www.unpac.me/results/cacde4f8-f207-4096-bfcb-677a10a4a43e/
SH256 hash:
1133ebdd4a9e4fe36b9860f676c523e0a9f7419b345bc29cd5cbfd4cfc800e3b
MD5 hash:
6000c65c92c57aacb254a0086b11c94f
SHA1 hash:
0445ffce0d85572af354edfe744a3762440f5c9b
Link:
https://www.unpac.me/results/cacde4f8-f207-4096-bfcb-677a10a4a43e/
Parent samples :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 hash:
8cd4c16a13548868b46418bc0cff17da000d0e7a11f64124307d67cc6f3e244c
MD5 hash:
51c39a69d98c231af7336173ce5dad27
SHA1 hash:
a570b8081cadd820dacc720017c69b9e17fe5650
Link:
https://www.unpac.me/results/cacde4f8-f207-4096-bfcb-677a10a4a43e/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8cd4c16a1354/report/overview.html
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/8cd4c16a13548868b46418bc0cff17da000d0e7a11f64124307d67cc6f3e244c

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 8cd4c16a13548868b46418bc0cff17da000d0e7a11f64124307d67cc6f3e244c

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/262621/

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