MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a83ba2bad08f7638bd60d2c15153c028f42048e82adb3702c33c791a4c85c79. 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: 17


Intelligence 17 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a83ba2bad08f7638bd60d2c15153c028f42048e82adb3702c33c791a4c85c79
SHA3-384 hash: 51bf818126cdf669849f2484510f8aa0f9bc21bb1c1db7fef8621f0c91aee8e990ed4737faa7ff7b616487c670f8537f
SHA1 hash: cbfad6fd282907c6d1cbbe018e2c3880321d566e
MD5 hash: 4e54c73b5ccaff64befd4486823aa206
humanhash: echo-fanta-papa-ack
File name:SecuriteInfo.com.Win32.PWSX-gen.17929.17557
Download: download sample
Signature AgentTesla
Create hunting rule
File size:717'312 bytes
First seen:2024-01-24 01:26:19 UTC
Last seen:2024-01-24 13:58:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:tWfDJPhz6Ns2PSfjiTMyF5hWaQxXcntmSHKLyeozeLcCQpnxvN/R0ym/GSi:tMPhz6NEiYyFAotx8PWCGP/RXCG
Threatray 3'237 similar samples on MalwareBazaar
TLSH T151E42391BDA22F77EEB767FD00208058073AE5617964D2D19CD820EFDCE3B861E146A7
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 68707194b2b2b200 (5 x AgentTesla, 3 x Formbook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
344
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
1a83ba2bad08f7638bd60d2c15153c028f42048e82adb3702c33c791a4c85c79.exe
Verdict:
Malicious activity
Analysis date:
2024-01-24 01:27:09 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/b7d444e3-6a0c-46ca-a3e2-e51bfc96723f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/472597/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.17929.17557.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Sending an HTTP GET request
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65b06768caf820370f58ff90/reports/5b1c747f-234a-4ed1-a1d3-c21895549ebd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1a83ba2bad08f7638bd60d2c15153c028f42048e82adb3702c33c791a4c85c79
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/d6b9cbb7-2208-4882-824d-303d79800322
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1379974
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1379974 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 24/01/2024 Architecture: WINDOWS Score: 100 42 mail.bernardo-hrvatska.com 2->42 44 windowsupdatebg.s.llnwi.net 2->44 46 3 other IPs or domains 2->46 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 9 other signatures 2->58 8 SecuriteInfo.com.Win32.PWSX-gen.17929.17557.exe 7 2->8         started        12 FcylAcH.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\FcylAcH.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp1C52.tmp, XML 8->40 dropped 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 64 Adds a directory exclusion to Windows Defender 8->64 14 SecuriteInfo.com.Win32.PWSX-gen.17929.17557.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 70 Injects a PE file into a foreign processes 12->70 22 FcylAcH.exe 12->22         started        24 schtasks.exe 12->24         started        26 FcylAcH.exe 12->26         started        28 2 other processes 12->28 signatures6 process7 dnsIp8 48 api4.ipify.org 104.237.62.211, 443, 49703, 49705 WEBNXUS United States 14->48 50 bernardo-hrvatska.com 167.235.34.37, 49704, 49706, 49707 ALBERTSONSUS United States 14->50 72 Installs a global keyboard hook 14->72 30 WmiPrvSE.exe 18->30         started        32 conhost.exe 18->32         started        34 conhost.exe 20->34         started        74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->74 76 Tries to steal Mail credentials (via file / registry access) 22->76 78 Tries to harvest and steal browser information (history, passwords, etc) 22->78 36 conhost.exe 24->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1a83ba2bad08f7638bd60d2c15153c028f42048e82adb3702c33c791a4c85c79
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1a83ba2bad08f7638bd60d2c15153c028f42048e82adb3702c33c791a4c85c79/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-01-24 00:02:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dkb3uk5nbd3whc6wbuwbkfj4akhuebeoqkw3g4bmgpdzdjgilr4q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
0b31e06dc15e96e9b5a3ff9f7618643d8d0e8e71f631414482ee8c218bbd2d85
AgentTesla
1a83ba2bad08f7638bd60d2c15153c028f42048e82adb3702c33c791a4c85c79
AgentTesla
1d132becb6f5aa7c2597944d9fa196bacf8cea871ccbdd09ce64cab06f581583
AgentTesla
21f4cff809112e0a354179b898ede4e2d46c02c4054faeea2a1d57c08f6ac6bd
AgentTesla
b5e780ba89a5931161f195adb76074b20fd6a6074193529cbe6fd80031f66ad0
AgentTesla
c63a10d8a92a5348801360fb963792f3f4309d6801eee6fa63038333f6b5d830
AgentTesla
+ 3'227 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240124-bt375seggm/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
9641ff96ee6bc76b82b3182a72dceb982221437b799217926b5c745ae23ee998
MD5 hash:
ab5e19781668ca4b12859593500036f5
SHA1 hash:
e270f07dd3c41b6e03e5e45ee20eb884ef1061ba
Link:
https://www.unpac.me/results/35ea691b-255a-4b46-a96d-95172386b6a5/
SH256 hash:
d59f335ed911cea16bbdd613ce184d7de5c7c903307ae5c9f3718b7705f5570a
MD5 hash:
16be0e69ad08fe371cac41f11d710461
SHA1 hash:
4d12ddcd060b704357d5deff5fb1b8be1b352e34
Detections:
Saudi_Phish_Trojan
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/35ea691b-255a-4b46-a96d-95172386b6a5/
Parent samples :
1a83ba2bad08f7638bd60d2c15153c028f42048e82adb3702c33c791a4c85c79
0dc0814bf9af68b936d74daf83ecc88ed015d0b1a53c1bf886ea739dcaa1166e
a2eabfe59c19d9111faddff46b2d2dd553329ded7321cd67f977d5bb63140542
fd8ea7b40be90b4c239e81785b0f33e38ec3683964e714b25d69585144006def
d20a82f699a3d07796c13d2769b07c6cd8825cc52c35ced5fd6d4a157adb0b36
b3c637ac9585fee8c462a31902497f9bd146dcf803a76f963f000c1d9a9974c9
98bfea598fdbf66e6fe2ec2c44712794464832f0ae920abc93843780c15f506b
9c08f0499db9529b8c171f66432a1185ca004f2762ee77e3de9f3d8a8f5998bd
90ce02725d886ba2f6ae19d75257230e7fb80c9d19fa77d715f3e3226bd07125
SH256 hash:
cf582c648537b26cddd0112b90274c00061ae89a0c93be11b51a4eb31fdf07c3
MD5 hash:
b80e0bc9d67223b93c7b8dfc2bd14712
SHA1 hash:
2879aeece8f3d53eac1aa773c43c02f244209afc
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
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/35ea691b-255a-4b46-a96d-95172386b6a5/
SH256 hash:
49f12025017c6a5aec4d4b5c661048b49e05635297a55aba88e28b8ca74ef0ce
MD5 hash:
66cb5e8d0fd00d3f69cc260ce48dec0c
SHA1 hash:
11fb2d2634ad099a38a9814b52b5e2778e7c9e89
Link:
https://www.unpac.me/results/35ea691b-255a-4b46-a96d-95172386b6a5/
SH256 hash:
47e0f14a446c450b8c0312ea5170dcae8a1db9df0864b8f4ade5abad8559b0f4
MD5 hash:
cd5c97bc2e3d8a3a41b687cf4324dffa
SHA1 hash:
115ce55cd702e518b7a1410feb0c3ad674ad35cf
Link:
https://www.unpac.me/results/35ea691b-255a-4b46-a96d-95172386b6a5/
SH256 hash:
1a83ba2bad08f7638bd60d2c15153c028f42048e82adb3702c33c791a4c85c79
MD5 hash:
4e54c73b5ccaff64befd4486823aa206
SHA1 hash:
cbfad6fd282907c6d1cbbe018e2c3880321d566e
Link:
https://www.unpac.me/results/35ea691b-255a-4b46-a96d-95172386b6a5/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1a83ba2bad08/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/1a83ba2bad08f7638bd60d2c15153c028f42048e82adb3702c33c791a4c85c79

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

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/472597/

Comments