MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6ac8a4334947db7a7daf1c17902f64e2d5c319005ab22b9266f0faac73247ca. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6ac8a4334947db7a7daf1c17902f64e2d5c319005ab22b9266f0faac73247ca
SHA3-384 hash: 0b054e80c33c5fc5ee96247b32f53ad95542ba08c5794bc0d47baf72e9dabfef42f162846710eef5fe41d86a8cfca3e3
SHA1 hash: 9eb55c673aecba80b415d9211d0bfe6a33c5363e
MD5 hash: a147b1d7dfea8c7590dcfd00fc98ffbc
humanhash: oven-missouri-uncle-mountain
File name:swift copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:498'176 bytes
First seen:2021-12-22 09:17:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:+BMRcCpqA5hMmxERr6CTm1cngl3AEI2djMMtq+JaD8:+IcCpP5JxqELMMQ+Y8
Threatray 13'789 similar samples on MalwareBazaar
TLSH T18CB4F11131A8DF53E57D97F984DA610403B87C17B182E30A6DDA32DE26627E64F02BDB
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
swift copy.exe
Verdict:
Malicious activity
Analysis date:
2021-12-22 09:19:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7219a490-0849-406d-85ae-ceb48a569019

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/215757/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
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 from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware obfuscated packed
Link:
https://www.filescan.io/uploads/61c2ed4c8991ba72b391b264/reports/d746e019-7911-43d5-94a4-3aee8e3d2262/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/d39428f4-5dc3-4ed0-90fb-7e20e4c3273e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/911442
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 543916 Sample: swift copy.exe Startdate: 22/12/2021 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 13 other signatures 2->60 7 swift copy.exe 7 2->7         started        11 kprUEGC.exe 2 2->11         started        13 kprUEGC.exe 2->13         started        process3 file4 36 C:\Users\user\AppData\Roaming\ITfySE.exe, PE32 7->36 dropped 38 C:\Users\user\...\ITfySE.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp343B.tmp, XML 7->40 dropped 42 C:\Users\user\AppData\...\swift copy.exe.log, ASCII 7->42 dropped 62 Writes to foreign memory regions 7->62 64 Allocates memory in foreign processes 7->64 66 Adds a directory exclusion to Windows Defender 7->66 68 Injects a PE file into a foreign processes 7->68 15 RegSvcs.exe 2 4 7->15         started        20 powershell.exe 23 7->20         started        22 schtasks.exe 1 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 44 mail.diva-italia.com 160.153.63.160, 49788, 587 AS-26496-GO-DADDY-COM-LLCUS United States 15->44 32 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->48 50 Tries to steal Mail credentials (via file / registry access) 15->50 52 6 other signatures 15->52 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a6ac8a4334947db7a7daf1c17902f64e2d5c319005ab22b9266f0faac73247ca/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-22 09:25:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u2wiuqzusr63pj626haxsaxwjywvymmqawvsfojgn4h2vrzsi7fa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1e43a9cb578534543e39c04879feed5a1d9af3f58ab4c60f306bbedcb2be1470
AgentTesla
2141c32603285a6bcf47a6a92a4d3139f3f56ac3390f811e74ecd14b54de44bb
AgentTesla
559ac8d4a0d12e54467002c83f33cf63f01158a729ff2143b68a5ec42b8535ad
AgentTesla
71bee349cf254cc54898d318b949b77dd1b45b7911c1b078cdb399131b5dc247
AgentTesla
a84f11e95b767a018ebd535c055ce9dd39d0ab23bf563312092662cd8cedf00b
AgentTesla
bdbb232c5600efca14367c9830ed7308e3b3f06c690d0536905a6bfd2a6c2980
AgentTesla
d0ce4974fa64ceaafbd8a35c397099c2d486cb973a9496277952c46d06a27756
AgentTesla
e5959f481a796647a6d5bb7662dd6b77411dfe29b9c3935342c8a7c7ee90c75d
AgentTesla
f842a5e80c800b499f6fc5d7364e031c4569848e7852feb690f18ddb7f07c8f8
AgentTesla
+ 13'779 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211222-k9lsgafbf9/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a5bf105663713fe3700a66307ef183712fcab6e29fdbff2e0712ee3d152a683d
MD5 hash:
b179d7f0f1275273cf5a7e6426d71254
SHA1 hash:
d623d65a0df183c253a61325edd9fbd149f33aba
Link:
https://www.unpac.me/results/23bb6542-085b-4217-bd6d-54a8ad288629/
SH256 hash:
4e84ea8e19eb2c7d61a7df53872cf0b9c147f6a9c56eab16bf8fbc1590321c80
MD5 hash:
8f48261aa9f3f6c434b6132b907f49f9
SHA1 hash:
736642802fc39c361e4038d0e5dd81773b6e9bbc
Link:
https://www.unpac.me/results/23bb6542-085b-4217-bd6d-54a8ad288629/
SH256 hash:
55535d7416e19740ddca81496bcfb9ea7f4ec52735e01d43880f6359f92b63be
MD5 hash:
42c16475606875decc737cb31dfb2cbb
SHA1 hash:
28db67a9058bbebedbd28819bce871cdeb62f968
Link:
https://www.unpac.me/results/23bb6542-085b-4217-bd6d-54a8ad288629/
SH256 hash:
a6ac8a4334947db7a7daf1c17902f64e2d5c319005ab22b9266f0faac73247ca
MD5 hash:
a147b1d7dfea8c7590dcfd00fc98ffbc
SHA1 hash:
9eb55c673aecba80b415d9211d0bfe6a33c5363e
Link:
https://www.unpac.me/results/23bb6542-085b-4217-bd6d-54a8ad288629/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a6ac8a433494/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/a6ac8a4334947db7a7daf1c17902f64e2d5c319005ab22b9266f0faac73247ca

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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 a6ac8a4334947db7a7daf1c17902f64e2d5c319005ab22b9266f0faac73247ca

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/215757/

Comments