MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1f7f21b560c3fedcad3383bb36edcd0f61c4a239b01941c370bce9d288160ed. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1f7f21b560c3fedcad3383bb36edcd0f61c4a239b01941c370bce9d288160ed
SHA3-384 hash: 099f8be948c41b4ff8a922e4262ce6e9696d9a998430d5aa609547e37bfee9aedae663e8db8f6fff1a4519bf96521039
SHA1 hash: 688bc41b2a6656efae3c5b027926c5fd0eeeba3e
MD5 hash: 053fb2edcbed3563aff3fb1442869781
humanhash: earth-snake-monkey-football
File name:Stainless Steel Plates Sheets and Coil product inquiry.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:949'760 bytes
First seen:2022-06-20 05:31:40 UTC
Last seen:2022-06-20 06:42:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:jRcKcCqSbmCz3xvZX2l5RgKNNTK2xykIf//FL0DQMkw9fpB:FBcCJFIJg8DyFH/DW7B
Threatray 17'456 similar samples on MalwareBazaar
TLSH T102154A0327845F24F6FDE33A20B5401943F5F4D3D788DE6EBD9548CC1962AC25BAAB26
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 cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
lll.exe
Verdict:
Malicious activity
Analysis date:
2022-06-20 11:10:07 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/e3ae5cc2-ba1b-42cb-89b0-4a6cd8688b9b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/281419/
Detection(s):
SecuriteInfo.com.Trojan.PWS.StealerNET.122.29822.18999.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Moving of the original file
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b0065adbe9c7c94971c6b0/reports/c759cc3b-caab-4dbd-abe9-0883deb510aa/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ca503c3f-93a0-46d6-b4f4-a21344a025f0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016070
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 648566 Sample: Stainless Steel Plates Shee... Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected AgentTesla 2->48 50 2 other signatures 2->50 7 Stainless Steel Plates Sheets and Coil product inquiry.exe 15 4 2->7         started        12 Micro.exe 4 2->12         started        14 Micro.exe 3 2->14         started        process3 dnsIp4 38 www.google.com 142.250.203.100, 443, 49724, 49744 GOOGLEUS United States 7->38 32 Stainless Steel Pl...uct inquiry.exe.log, ASCII 7->32 dropped 58 Moves itself to temp directory 7->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->60 16 zina1.exe 14 4 7->16         started        21 conhost.exe 12->21         started        23 conhost.exe 14->23         started        file5 signatures6 process7 dnsIp8 36 www.google.com 16->36 30 C:\Users\user\AppData\...\InstallUtil.exe, PE32 16->30 dropped 52 Writes to foreign memory regions 16->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->54 56 Injects a PE file into a foreign processes 16->56 25 InstallUtil.exe 2 8 16->25         started        file9 signatures10 process11 dnsIp12 40 cp.ultahost.com 79.133.41.250, 49771, 49772, 587 AT-FIRSTCOLOAustriaAT Germany 25->40 42 192.168.2.1 unknown unknown 25->42 34 C:\Users\user\AppData\Roaming\...\Micro.exe, PE32 25->34 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->64 66 Tries to steal Mail credentials (via file / registry access) 25->66 68 4 other signatures 25->68 file13 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1f7f21b560c3fedcad3383bb36edcd0f61c4a239b01941c370bce9d288160ed/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2022-06-19 09:06:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uh37eg2wbq763swtha53g3w42d3bysrdtmazihbxbphj2kebmdwq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0ef90f496d7e2181389a13278fad77fe7697487daf0627982edfb6683fe99522
AgentTesla
236281e1cdcf5f66e82b0987ea332c2193961a62f97d5a661e4303b12b582d41
AgentTesla
2418d44a37a673ad3dd3925b67abd7857ec51ac2f4874231b9e01823ff825bf6
AgentTesla
39d4ec1ba402cd585c3ce6fb42411ee7d12c88c1507b786ff99ea929497c1f47
AgentTesla
4c1b9f2cb078b0e26102f7b5f993924ba1d65a1c61a1348343768e3de6bda5e9
AgentTesla
4e5f78c248460423b7fdcb4e5369dabf99f106f04aa8b98bbd7713d060e6e2eb
AgentTesla
70d68057988e8bb6e43301aa257a7340ab326e70b734521d4f486848b7f03bbd
AgentTesla
8fe1ee641cf70783f81797e27eff13e2d1123a2d217511701494084489356dab
AgentTesla
+ 17'446 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/220620-f8aatsfgbk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
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
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla
Unpacked files
SH256 hash:
a1f7f21b560c3fedcad3383bb36edcd0f61c4a239b01941c370bce9d288160ed
MD5 hash:
053fb2edcbed3563aff3fb1442869781
SHA1 hash:
688bc41b2a6656efae3c5b027926c5fd0eeeba3e
Link:
https://www.unpac.me/results/e44d4604-baab-4fe9-a864-67b7e47994e4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/a1f7f21b560c3fedcad3383bb36edcd0f61c4a239b01941c370bce9d288160ed

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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

zip 61526232111428e6a9859c2fcd74447213840735fbdeeffe590c1f4b0243b1b0

AgentTesla

Executable exe a1f7f21b560c3fedcad3383bb36edcd0f61c4a239b01941c370bce9d288160ed

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 61526232111428e6a9859c2fcd74447213840735fbdeeffe590c1f4b0243b1b0
Cape
Cape
https://www.capesandbox.com/analysis/281419/
  
Dropped by
MD5 dc819e4d3fad145b7affbe4d26ce644f

Comments