MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88b3d6137dab7366119bd7c0e1939d2b63a5e7eb54f41fc443d6d9ea7e6d2113. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88b3d6137dab7366119bd7c0e1939d2b63a5e7eb54f41fc443d6d9ea7e6d2113
SHA3-384 hash: 5dcf095999f83ed3989d1719edf885b096e68f4547d682bf0d55f20a477f401a3f56bdc051c1e906b059daa12fcbd3d6
SHA1 hash: fd589f4168b444b1024846cdd297ab8b652f36db
MD5 hash: eff21b954f05c57947ea8b1ff8dd0a97
humanhash: eleven-happy-pluto-may
File name:Türkiye İş Bankası swift Bildirimi_xls.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:561'664 bytes
First seen:2022-04-22 15:20:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:WCAYtv/h/irdadlCgn2RwUnTF9j6pSPhF8B0xIyHELH:dBdhSda12Rw2TfSY80CyE
Threatray 16'447 similar samples on MalwareBazaar
TLSH T15BC422A0BBF4A316D2B9CBF519B0091643F576253541EB040DFAF4EB2DB178027A9D8B
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)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/265868/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/6262c960448aa6d8879e9faa/reports/a3f9cb14-0854-44ce-9d03-caf3d58cfce2/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/cca4c4bf-5943-4564-b67f-f16d73472bc7
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/981477
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
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)
Sigma detected: Suspicious Add Scheduled 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 ftp login credentials
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 613960 Sample: T#U00fcrkiye#U00a0#U0130#U0... Startdate: 22/04/2022 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 13 other signatures 2->47 7 T#U00fcrkiye#U00a0#U0130#U015f Bankas#U0131 swift Bildirimi_xls.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\...\pUnFvPVmwxouQj.exe, PE32 7->27 dropped 29 C:\...\pUnFvPVmwxouQj.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmp5176.tmp, XML 7->31 dropped 33 T#U00fcrkiye#U00a0...ldirimi_xls.exe.log, ASCII 7->33 dropped 49 Adds a directory exclusion to Windows Defender 7->49 51 Injects a PE file into a foreign processes 7->51 11 T#U00fcrkiye#U00a0#U0130#U015f Bankas#U0131 swift Bildirimi_xls.exe 2 7->11         started        15 powershell.exe 25 7->15         started        17 powershell.exe 24 7->17         started        19 schtasks.exe 1 7->19         started        signatures5 process6 dnsIp7 35 yapaszincir.com.tr 78.135.65.4, 49749, 587 PREMIERDC-VERI-MERKEZI-ANONIM-SIRKETIPREMIERDC-SHTR Turkey 11->35 37 mail.yapaszincir.com.tr 11->37 39 192.168.2.1 unknown unknown 11->39 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->53 55 Tries to steal Mail credentials (via file / registry access) 11->55 57 Tries to harvest and steal ftp login credentials 11->57 59 Tries to harvest and steal browser information (history, passwords, etc) 11->59 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/88b3d6137dab7366119bd7c0e1939d2b63a5e7eb54f41fc443d6d9ea7e6d2113/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-04-22 08:50:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 35 (51.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rcz5me35vnzwmem327aode45fnr2lz7lkt2b7rcd23m6u7tneejq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
38ca85dce6d78cd31902c6f56c2a8972b0d7d7425c584c98b3210a5c75e3c84a
AgentTesla
668832e8181b0270c339930a8402a735e638b8374d53e2c95a715254220e0651
AgentTesla
7c835a1ec99de45d4a35e6c82b4e3d619c924fa15090e7cdece0e1777473cf48
AgentTesla
a9394c83b0d854b8f5de050acb34fa7d06cdb1ecf5f515b2de51425df135d0f2
AgentTesla
d493dca078d9747550efd2f30838858ad063f2f702878cdd67e1a84a4ff25020
AgentTesla
e4bba9c2af86f903aeecbaf44534222faf78b07bdb4c7604e747ecd6898e38e2
AgentTesla
+ 16'437 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220422-srbtjsdcg6/
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:
00a332708652b9b8382ff2ee608014da67e8ed9fdb6b708db7512f9e6778b11c
MD5 hash:
0ce08d5ae4933872dfa9fd3474144344
SHA1 hash:
f01bcea7c6c241883a5b059d571e2bdf8a986c4c
Link:
https://www.unpac.me/results/ad39aa86-f97a-41db-9f81-814e3782d216/
SH256 hash:
96f90e1ac4306c0fa4a58f4a46a35e7df0335a48a0965261acfb56ef18f6597b
MD5 hash:
b73efd788c71ec452f8fd92752b29ea0
SHA1 hash:
9bc0cdb8f1e0656ed7b903e8160cea78b6125ead
Link:
https://www.unpac.me/results/ad39aa86-f97a-41db-9f81-814e3782d216/
SH256 hash:
6243076a07dfc7fffd871a58c86c3549317767b687e24145271c7e1a907f7692
MD5 hash:
619d333df17fc6bee8ce71861f5e257f
SHA1 hash:
26d47e1312835bde166acc4afcaf3d33c9ee988b
Link:
https://www.unpac.me/results/ad39aa86-f97a-41db-9f81-814e3782d216/
SH256 hash:
8e1b71477c489cbc954c8d54d08284f759ab2cd1b65050128ecbda9ebe16904d
MD5 hash:
b477c0f043954b457d5f0f91327ec606
SHA1 hash:
0db8774ef3e2b8245504f66a35afcf987ebdaaba
Link:
https://www.unpac.me/results/ad39aa86-f97a-41db-9f81-814e3782d216/
SH256 hash:
88b3d6137dab7366119bd7c0e1939d2b63a5e7eb54f41fc443d6d9ea7e6d2113
MD5 hash:
eff21b954f05c57947ea8b1ff8dd0a97
SHA1 hash:
fd589f4168b444b1024846cdd297ab8b652f36db
Link:
https://www.unpac.me/results/ad39aa86-f97a-41db-9f81-814e3782d216/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/88b3d6137dab/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/88b3d6137dab7366119bd7c0e1939d2b63a5e7eb54f41fc443d6d9ea7e6d2113

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.

Cape
Cape
https://www.capesandbox.com/analysis/265868/

Comments