MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54920b6428a47f26167fa633550d0dffb12ec4981ede7f4e7ec9ad08948432f1. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54920b6428a47f26167fa633550d0dffb12ec4981ede7f4e7ec9ad08948432f1
SHA3-384 hash: f6f0178ffb5a968d6b06ebad57c0c51ba6a5e4e7677ab387a2d54307d5efd918359fed11b484317f33a94e3f2792788c
SHA1 hash: b19c733b5baffc4076266a8b6b326b5c90c64f99
MD5 hash: ceda7ff3c7fee177cb9949841bbc99a8
humanhash: london-green-delta-september
File name:SOA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:869'376 bytes
First seen:2021-08-12 10:02:58 UTC
Last seen:2021-08-12 10:54:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:8mIPtYaertAiDhIn+IiEhykGz3+eviLkGb55xGCzD:4MrtFDhInbiEcPR32P5
Threatray 8'326 similar samples on MalwareBazaar
TLSH T14705BF783118866BE97AC531A80E4331F3A85EDAF0CDC627F4D3765A94F3221178A75E
dhash icon 71e0c4ccccd8e132 (4 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
319
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA.exe
Verdict:
Malicious activity
Analysis date:
2021-08-12 10:04:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fea58922-dfe2-4bbe-8bf7-87bb3aaf118a

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/178561/
Detection(s):
SecuriteInfo.com.Trojan.KillProc2.16474.29098.32576.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
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/16f9d3fa-1df1-4954-a429-4b300431d9b7
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/831632
Signature
.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
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 464061 Sample: SOA.exe Startdate: 12/08/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 6 other signatures 2->51 7 SOA.exe 6 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\...\KwrLVLYoELCn.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp3209.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 7->31 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Writes to foreign memory regions 7->55 57 Allocates memory in foreign processes 7->57 59 Injects a PE file into a foreign processes 7->59 15 RegSvcs.exe 2 4 7->15         started        19 schtasks.exe 1 7->19         started        21 conhost.exe 11->21         started        23 conhost.exe 13->23         started        signatures5 process6 file7 33 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 15->35 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->39 41 Modifies the hosts file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 25 conhost.exe 19->25         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/54920b6428a47f26167fa633550d0dffb12ec4981ede7f4e7ec9ad08948432f1/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-12 09:27:57 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ksjawzbiur7smft7uyzvkdin76ys5reyd3ph6tt6zgwqrfeeglyq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
25bc1cf00d730f13e41b42d5cf7c78127f55acc4dba2132856c294b0b1270292
AgentTesla
63796a0b64029b82b751583696b72a929adabfe3578acf87e9f9d5abd692add5
AgentTesla
66bd41f42be4e3ef4d73b4d4c68c52c32dab1aea1e7e772c8e7ad6bf16e65331
AgentTesla
856c3abba6de3f00378613cc67649350a6e9b1867d8f2edede21e5b73d4da01e
AgentTesla
a151c4bd6df1aa4e94675c10e27a75dfdc56a22b150229b0a761bd3d2d9dbd10
AgentTesla
ebdebe69d2d1252847af7fd1a76f19cfe1d828463374a583829a5ac9d6ba1e8f
AgentTesla
ec694537528f39e61c4a295e99932641ac2660f8580911790926294c4a190afc
AgentTesla
fc9727f2753b43b61dfd651efaf5adb6e43edd12564b54acf16c23756091b5f7
AgentTesla
+ 8'316 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/210812-kkpt1cw6rn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Contains code to disable Windows Defender
Unpacked files
SH256 hash:
bcbc1cba40c34b8253b988745131a5bd2383e945dec02abf2d147f9b4aa81c22
MD5 hash:
8745242217262af4010ec7a66f5cf806
SHA1 hash:
61c1a52de316caa7822dac4fee85bed5c8b73499
Link:
https://www.unpac.me/results/1ffb6d43-c1cc-4a7c-80ce-9862b04eee06/
SH256 hash:
eb4256eb37f65900c8bd6deaf08b0cadbf41ad48ee70453ce4905e59dcefce85
MD5 hash:
a30cfe8969747bd922f95a2463767e9e
SHA1 hash:
373cdd86cea58e02ca21f64d8e5a9d7de9c6d0d0
Link:
https://www.unpac.me/results/1ffb6d43-c1cc-4a7c-80ce-9862b04eee06/
SH256 hash:
bbdfd20d61c488ee731289e5152de3c92deea7437ab8ac92820c0d447f35d3d5
MD5 hash:
d901bc85ff710926aa225afa46a489dc
SHA1 hash:
17bd13f16086c4b9713794e3dd09b8d21ad93f72
Link:
https://www.unpac.me/results/1ffb6d43-c1cc-4a7c-80ce-9862b04eee06/
SH256 hash:
54920b6428a47f26167fa633550d0dffb12ec4981ede7f4e7ec9ad08948432f1
MD5 hash:
ceda7ff3c7fee177cb9949841bbc99a8
SHA1 hash:
b19c733b5baffc4076266a8b6b326b5c90c64f99
Link:
https://www.unpac.me/results/1ffb6d43-c1cc-4a7c-80ce-9862b04eee06/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/54920b6428a4/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/54920b6428a47f26167fa633550d0dffb12ec4981ede7f4e7ec9ad08948432f1

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe 54920b6428a47f26167fa633550d0dffb12ec4981ede7f4e7ec9ad08948432f1

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/178561/

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