MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42a2cffa81ab3350fec75227ca00e7e5e8ee9d5e71fda89e0d5cc9533c7eefea. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
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SHA256 hash: 42a2cffa81ab3350fec75227ca00e7e5e8ee9d5e71fda89e0d5cc9533c7eefea
SHA3-384 hash: 5450164c4768bbc85dbf7ff63147f53a65384ef2a55e563e7c2f95b560989c7b45378da632ccb02f1b0866264c18fb63
SHA1 hash: f2803e268c693965ce640ddddee9377249a0c536
MD5 hash: 3c4ee0f0b8180b1e19f1f24ddbe413a4
humanhash: nineteen-mars-magazine-mirror
File name:Dekonnt-Formu20242103-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:205'312 bytes
First seen:2024-03-21 17:14:11 UTC
Last seen:2024-03-21 18:41:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:0oxMD/Y08Z4NU0+FWofaD634jstTfmEpoqR7VTs5/VtwukoZJ/1ZCqQ74bve07Ge:0kGg0/N2F4m+E6q9VTs5ttwS4qQ7seZ
TLSH T1C314011ABF5B8993DC1CB6B868679F580F72DD335653C5CA6248B2264C12386843FD4F
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 00be8323b233bac0 (79 x AgentTesla, 11 x Loki, 9 x DarkCloud)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
334
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
42a2cffa81ab3350fec75227ca00e7e5e8ee9d5e71fda89e0d5cc9533c7eefea.exe
Verdict:
Malicious activity
Analysis date:
2024-03-21 17:50:56 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/a03d1f46-3b91-4052-a473-2eb32a3a153f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packed.ConfuserEx-6582917-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
60%
Tags:
confuser confuserex packed packed
Link:
https://www.filescan.io/uploads/65fc6b1a757c624818b56201/reports/51fb7506-e0d7-4667-9ce5-dd84888c281e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/42a2cffa81ab3350fec75227ca00e7e5e8ee9d5e71fda89e0d5cc9533c7eefea
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1b66dad6-a617-4ddf-a485-f010fd16c1bf
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1413447
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/42a2cffa81ab3350fec75227ca00e7e5e8ee9d5e71fda89e0d5cc9533c7eefea
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/42a2cffa81ab3350fec75227ca00e7e5e8ee9d5e71fda89e0d5cc9533c7eefea/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ikrm76ubvmzvb7whkit4uahh4xuo5hk6oh62rhqnltevgpd657va._file
Verdict:
malicious
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240321-vslfgsch69/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla
Unpacked files
SH256 hash:
c0ececb9be6081af42bab2a5ce1a08bc5d7e6ca347b3b13f24d7c0d92073dc0e
MD5 hash:
7b28347b87ed378de69be9304296d254
SHA1 hash:
a790d0c98087b96e0eca27c872a7b8beace999cd
Detections:
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
MALWARE_Win_AgentTeslaV2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/60d645a5-bcd7-4d64-bc53-c9ded6508345/
Parent samples :
a6cb4ca8f0c2d0bbef3238bf0a26bed599dbef4b4aac613f9b7005c4d15d6522
4211440320ca15d6f44879966c78231ea32231d5f821279c2dc846f5f87cfab3
3c047196841a01aa757212b8bd39682a226a0c14ccfb9d61102ce0a4c8a4a2c7
f0a114654cba048408e9f71cf96233df16bde54f00041909567761bc5eb4e38e
1690e59c00e5335e557d3e72cc8ad5f036570bffd8871840986ca0ed55740370
10045da87a68ac04e22f9e9f69388c170f05d4f65a444221c53534d7710eb0bc
af25144e345adf8dbfc972c4f097a7d92ee19eadfc240c4d72405e85130f56ea
37c3886a6814b3f07c54385be4316e28605e3233dd1c5b423793fc0ca77b2691
93ab9285527f3fe30969a44b21dc44c42274ff1f194ce74657023d0b6e9317cf
660f2be2087d54741e99ef96df97b3d942b1a28e98bf9cc75109930111f7da87
87cae822a6c4bc820fe20b7b5fe5d11a35eb202d2887fd336ff0890d6e59a4d8
42a2cffa81ab3350fec75227ca00e7e5e8ee9d5e71fda89e0d5cc9533c7eefea
2ae9531f96568260e90a3da850c7450271fafcf92467105ede3d4d14a9dfdcea
e1ce37159aa3f3e141d622216cc4994b7fa4014e8b094b56f34916bcd838b872
f34c081e10503e1930c7a24c39e144c78bf59c22e6741e9c991334ca78fd34c7
0353461e3456838001ee98fd63e0df5563fab3836b26600059e4deed142a73f6
a18411c60fb9f8f02d82b6d74662d7bef6798ba8119c9072b6c25ab29887f906
SH256 hash:
d38a53a37f3ae2f7e4e2da43601ee86e5abc93e7952f571240dfa4047820f6fc
MD5 hash:
4ed5fc48a0a94dbddb6e8390ea098f38
SHA1 hash:
464b48a8f78fed0a38d4a9ced6657685271b4d9a
Link:
https://www.unpac.me/results/60d645a5-bcd7-4d64-bc53-c9ded6508345/
SH256 hash:
42a2cffa81ab3350fec75227ca00e7e5e8ee9d5e71fda89e0d5cc9533c7eefea
MD5 hash:
3c4ee0f0b8180b1e19f1f24ddbe413a4
SHA1 hash:
f2803e268c693965ce640ddddee9377249a0c536
Detections:
INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Link:
https://www.unpac.me/results/60d645a5-bcd7-4d64-bc53-c9ded6508345/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/42a2cffa81ab/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/42a2cffa81ab3350fec75227ca00e7e5e8ee9d5e71fda89e0d5cc9533c7eefea

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:NET
Create hunting rule
Author:malware-lu
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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