MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 100dbf5f7cae1bd81a5612d58c157dbe8c589745ddf3454ffb52dae5287552e0. 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: 100dbf5f7cae1bd81a5612d58c157dbe8c589745ddf3454ffb52dae5287552e0
SHA3-384 hash: c80d15d02d2d61ecf9bf88ec11b8cc7d37e9c2fa568b6236fadc1f81031c38f98bb8e17d1392a631276a2d56fa367af3
SHA1 hash: f8c4d6ddc7504c0e88e261d4f44c9ec6c3d436f2
MD5 hash: 89e16697ce7b93befd01566fc16493c4
humanhash: vermont-speaker-carpet-lima
File name:TEKLİF TALEP TUBITAK SAGE_xlsx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:654'848 bytes
First seen:2022-07-21 11:59:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:y9Ggg31hbx823X5nc0SpxmlLb+BbYINeXaemnREoTSQDw:y98bxpZZuTNeXHmnREm
Threatray 17'914 similar samples on MalwareBazaar
TLSH T1C9D4023376F7E911C53843B280D2124806F2630E7577E91E35DEBA5A85E23EA5E813E7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e4dcd8c4d4d4c4d4 (95 x AgentTesla, 51 x Formbook, 12 x RemcosRAT)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/293164/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44349.11880.14868-222265.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed strictor
Link:
https://www.filescan.io/uploads/62d9403e0e298a94f3e8187a/reports/384adc4f-5f1f-4997-b7ac-c954e856b7db/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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2676c129-a097-4943-89c6-d217f3386b23
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1038559
Signature
.NET source code contains very large array initializations
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
Malicious sample detected (through community Yara rule)
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)
Snort IDS alert for network traffic
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 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 AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 671052 Sample: TEKL#U0130F TALEP TUBITAK S... Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 14 other signatures 2->46 7 TEKL#U0130F TALEP TUBITAK SAGE_xlsx.exe 7 2->7         started        process3 dnsIp4 36 192.168.2.1 unknown unknown 7->36 28 C:\Users\user\AppData\...\KstWQTYxNpd.exe, PE32 7->28 dropped 30 C:\Users\...\KstWQTYxNpd.exe:Zone.Identifier, ASCII 7->30 dropped 32 C:\Users\user\AppData\Local\...\tmp286A.tmp, XML 7->32 dropped 34 TEKL#U0130F TALEP ...K SAGE_xlsx.exe.log, ASCII 7->34 dropped 48 Adds a directory exclusion to Windows Defender 7->48 50 Injects a PE file into a foreign processes 7->50 12 TEKL#U0130F TALEP TUBITAK SAGE_xlsx.exe 7->12         started        16 powershell.exe 24 7->16         started        18 powershell.exe 25 7->18         started        20 schtasks.exe 7->20         started        file5 signatures6 process7 dnsIp8 38 api.telegram.org 149.154.167.220, 443, 49759 TELEGRAMRU United Kingdom 12->38 52 Tries to steal Mail credentials (via file / registry access) 12->52 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/100dbf5f7cae1bd81a5612d58c157dbe8c589745ddf3454ffb52dae5287552e0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-21 08:54:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cag36x34vyn5qgswclkyyfl5x2gfrf2f3xzukt73klnokkdvklqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
106e360fa4467673bc46d467e7436c9cdee3d638cd14db8f5c8aff07fec90ebe
AgentTesla
2a9e7a346cc0736d2564db25283252ea9ea47630bb93d44b83841d2cd3e020bb
AgentTesla
3de2b99f225f06ff2d1a1f29fd6d9a02cc2820d0d929ca3f85e22e9743085865
AgentTesla
49f6f950b9d9555778312d4a4a10d2ab6ad7a53e84ceb646cabc4b23e326fb6d
AgentTesla
6dc9b15607a6135a45a47a54ff6ae7bc437e3e69d73adc101a94e20c4944a606
AgentTesla
8126addf40ee416e253cf5b46048633dc836856575e92ce271854417a1ddf9f7
AgentTesla
9a2cb78785196ff5a09b428bcf2325d0d3f2455d3607e86edac32273b9a66705
AgentTesla
a0669c333cd5683b938d7525828022547ddcaa61e924ca7f4a29e484d0c7100a
AgentTesla
b396f3f9fa5b3acac6ddbd6699ceeff35c671c1d0d595a69b187c2a107cd31eb
AgentTesla
f5d45ca990682655ef1f87ff669567c6fc0fbd63d81970a0f95a87ef360a5fa8
AgentTesla
+ 17'904 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220721-n6a4cafgbm/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Unpacked files
SH256 hash:
136019e13a4777ed649fdf0f061e4ad169c91fc210a979eb29b22bc26c56223b
MD5 hash:
7aeaa422e0d009c69824cba4de40c79b
SHA1 hash:
40ff36f198bc61b6151f28451f24558e511042d2
Link:
https://www.unpac.me/results/ded13507-e403-4939-959e-ccbed835b414/
Parent samples :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 hash:
2893fab97bc9f9e52d5859978bc5639d55ac2ae7a83b8a735681ee9f074f95dd
MD5 hash:
1af7806cb5a737bf7799d27425d18ee1
SHA1 hash:
0cc3f607b87281623afd36c1160b5823f1dc8c57
Link:
https://www.unpac.me/results/ded13507-e403-4939-959e-ccbed835b414/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/ded13507-e403-4939-959e-ccbed835b414/
SH256 hash:
ca4e3745f87ae419e10fa9dd15e9814f66a7dca601ae70bd3ae3b0b0781e9491
MD5 hash:
6491ab64072f34a6124f4cdf1d9bdd43
SHA1 hash:
78008e0c188d1732ebb5bbfe6d15892ebe32b1f7
Link:
https://www.unpac.me/results/ded13507-e403-4939-959e-ccbed835b414/
SH256 hash:
60153a5e4d6f7a2b4a1055cb33ef8e8cd63ff6d3b061834fdf1f7889376b0215
MD5 hash:
f9c92420e4bd1b4bc2c61e8c19372a49
SHA1 hash:
1fabaf8c323541022c82293eff23dc4f64c121a3
Link:
https://www.unpac.me/results/ded13507-e403-4939-959e-ccbed835b414/
SH256 hash:
100dbf5f7cae1bd81a5612d58c157dbe8c589745ddf3454ffb52dae5287552e0
MD5 hash:
89e16697ce7b93befd01566fc16493c4
SHA1 hash:
f8c4d6ddc7504c0e88e261d4f44c9ec6c3d436f2
Link:
https://www.unpac.me/results/ded13507-e403-4939-959e-ccbed835b414/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/100dbf5f7cae/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/100dbf5f7cae1bd81a5612d58c157dbe8c589745ddf3454ffb52dae5287552e0

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 100dbf5f7cae1bd81a5612d58c157dbe8c589745ddf3454ffb52dae5287552e0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/293164/

Comments