MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8c3da8603f25f41857ee7ccde840828c700867c91f49e7e16dce2a0fdd1ffaf. 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: a8c3da8603f25f41857ee7ccde840828c700867c91f49e7e16dce2a0fdd1ffaf
SHA3-384 hash: eb734676fc887e9b981f95f552091ee21e85a7a9fe1e34443dc2464abcb58402797597b98d1c36cbfc2010c24a3a686d
SHA1 hash: 96c5129e600e384988fb78bcf5fef853d455536f
MD5 hash: 69c8e4230577eec022eb310fd529db20
humanhash: table-oxygen-red-white
File name:img-3151025-0001.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:866'816 bytes
First seen:2023-03-15 08:08:46 UTC
Last seen:2023-03-15 09:40:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:2Co79KZZ4McM39l/BYKT65O6SckS2wpqdCBlgmVsbSjqUPJGRTwGvy:2CoBK4z6kKWsFG2w4IBl5VsbSdJTJ
Threatray 123 similar samples on MalwareBazaar
TLSH T1BC05010DB1A54261CE6E77BB85BA19185336FE2D5632E22E2CCA74220FF33C58547D0B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0549240201000000 (1 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
232
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
img-3151025-0001.exe
Verdict:
Malicious activity
Analysis date:
2023-03-15 08:11:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ca674b34-3ef6-43f7-9d1a-fb8bda0637c0

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/374486/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1889.8624.20722.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64117d20949a950538ed3ff0/reports/b9c27115-e098-475d-970f-08404bbbfcb6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a8c3da8603f25f41857ee7ccde840828c700867c91f49e7e16dce2a0fdd1ffaf
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/27961b9d-145c-4efd-9a37-ad838be69bda
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1193968
Signature
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 826869 Sample: img-3151025-0001.exe Startdate: 15/03/2023 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 4 other signatures 2->60 7 img-3151025-0001.exe 7 2->7         started        11 EzbemLSFbP.exe 5 2->11         started        process3 dnsIp4 36 C:\Users\user\AppData\...zbemLSFbP.exe, PE32 7->36 dropped 38 C:\Users\...zbemLSFbP.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp2117.tmp, XML 7->40 dropped 42 C:\Users\user\...\img-3151025-0001.exe.log, ASCII 7->42 dropped 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->62 64 May check the online IP address of the machine 7->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->66 74 2 other signatures 7->74 14 img-3151025-0001.exe 15 2 7->14         started        18 powershell.exe 21 7->18         started        20 powershell.exe 22 7->20         started        22 schtasks.exe 1 7->22         started        44 192.168.2.1 unknown unknown 11->44 68 Multi AV Scanner detection for dropped file 11->68 70 Machine Learning detection for dropped file 11->70 72 Injects a PE file into a foreign processes 11->72 24 EzbemLSFbP.exe 11->24         started        26 schtasks.exe 11->26         started        file5 signatures6 process7 dnsIp8 46 api4.ipify.org 104.237.62.211, 443, 49697, 49699 WEBNXUS United States 14->46 48 api.telegram.org 149.154.167.220, 443, 49698, 49700 TELEGRAMRU United Kingdom 14->48 50 api.ipify.org 14->50 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        52 api.ipify.org 24->52 76 Tries to steal Mail credentials (via file / registry access) 24->76 78 Tries to harvest and steal browser information (history, passwords, etc) 24->78 34 conhost.exe 26->34         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8c3da8603f25f41857ee7ccde840828c700867c91f49e7e16dce2a0fdd1ffaf/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-03-15 08:09:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vdb5vbqd6jpudbl647gn5baifddqbbt4sh2j47qw3trkb7or76xq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c839aeb24cb1891e0e811643a0c1c59f4ed376c4160c7d40dcd20fd750dac0f
AgentTesla
31c6fd4b4102b14e5b854eea5162e2686db5684883b6270d1893b76f12b26b53
AgentTesla
b531b9a7a424d41fe022f7f4a31aa7f764e8d0bc33793b9d271a8b5f90ac9378
AgentTesla
c551529018bda5ce4f1f7c2fbbebad88a1544151676521feb0bb5fcacc4a48be
AgentTesla
c7ea53e57251629a3485c588848a8f99362035170807b2aa95355be6fb8055f4
AgentTesla
c9e5ff55c4c4b9ab78ca511be19a6e8b2274c1c18862953fec58f0b4cf6b8b2a
AgentTesla
e5e242f8384500a304eb770bda1fa280c64c4a1e718c89826775d25341fc82c3
AgentTesla
efd5a5231f12bcaa48f701b82ff32314b313e5484fabe8596a7ce9283a08f71c
AgentTesla
fb5b5d55ac9ee07c66add37354f42ad26308b493228641b76d5856ece8c8ec31
AgentTesla
+ 113 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/230315-j15njscc36/
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
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5693068931:AAGSQSNIWDJM1FzeZVNHS020I9wVBrQdkRM/
Unpacked files
SH256 hash:
f1c3e968c0d3a7e9ef179d772e5e0162e10d072bab759a85ac575011afa5fcbb
MD5 hash:
4b55c290290ae76a1f5c0d0dbeea9643
SHA1 hash:
ecbd3d11444dbb80452f2b516a094ad16cdc8996
Link:
https://www.unpac.me/results/ef17e740-c916-44b3-a5d4-7bbcfc35a59e/
SH256 hash:
4bb3f38a6310e1b5c9bc76f8f07f6127a7bd8ba676164d199833438ef1741d02
MD5 hash:
7aa6990db953166a3e0b4b063bfe0ecf
SHA1 hash:
dbe3d9af18e17321d87268cd06b4e041d4d6cd00
Link:
https://www.unpac.me/results/ef17e740-c916-44b3-a5d4-7bbcfc35a59e/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/ef17e740-c916-44b3-a5d4-7bbcfc35a59e/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
be29e54389ff7e16dedf453ee84433a5fb0d83a1ccea4898747bfbcc9929a418
MD5 hash:
84f828d5944694b882101d03a567c701
SHA1 hash:
7351595760e05afaa38383bba2ee1b3954dfe714
Link:
https://www.unpac.me/results/ef17e740-c916-44b3-a5d4-7bbcfc35a59e/
SH256 hash:
6f3e41a0b0ecf19e118ec5bae3fc46c0bd533f2039a21c10c1e4651f0106b8b9
MD5 hash:
9d5bdd3d143969da4777abfa47d3373c
SHA1 hash:
7233fe67b0cd064c9c4535c1a645fc1d77b6258c
Link:
https://www.unpac.me/results/ef17e740-c916-44b3-a5d4-7bbcfc35a59e/
SH256 hash:
a8c3da8603f25f41857ee7ccde840828c700867c91f49e7e16dce2a0fdd1ffaf
MD5 hash:
69c8e4230577eec022eb310fd529db20
SHA1 hash:
96c5129e600e384988fb78bcf5fef853d455536f
Link:
https://www.unpac.me/results/ef17e740-c916-44b3-a5d4-7bbcfc35a59e/
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/a8c3da8603f25f41857ee7ccde840828c700867c91f49e7e16dce2a0fdd1ffaf

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 a8c3da8603f25f41857ee7ccde840828c700867c91f49e7e16dce2a0fdd1ffaf

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/374486/

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