MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4
SHA3-384 hash: 40bcdd642061c5f5be2bce2fbb53e43a9015c11818aa4a78d9d7274d8f81c890e7f5d66484fc7fd174248ab6b67649be
SHA1 hash: fc02bd1445823f87cc79fe6c4488786fdd862450
MD5 hash: 422dae158a15725dd2f81a76ed1be6e3
humanhash: july-twelve-lithium-alabama
File name:Product list.png.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:748'040 bytes
First seen:2024-03-06 09:14:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:P6FO1lnaAU9/jHt3lutbcqBMfpbQMQGuTOJgPnp5hONvtMkx+qLhmkR:Be/jHt3MZc8c+NTOyANlMk1LT
Threatray 532 similar samples on MalwareBazaar
TLSH T10CF4120573F94B55F9FB5378A078440107BAB62B7AA2D32E1DC0A0EA5D777010B15FAB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
376
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4.exe
Verdict:
Malicious activity
Analysis date:
2024-03-06 09:17:59 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/38fd0f4f-5c19-4a0f-9ca8-43979da8df65

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.16158.11944.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/65e833e0b4fd155504876966/reports/1fb5848e-67fd-4b57-bc99-f5bbdcf131d1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4
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/0799e2ef-d6cd-4487-abe3-2b2b25c21bfb
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1403882
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
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 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 Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1403882 Sample: Product list.png.exe Startdate: 06/03/2024 Architecture: WINDOWS Score: 100 55 mail.unitech-co.com.tr 2->55 59 Snort IDS alert for network traffic 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 14 other signatures 2->65 8 Product list.png.exe 7 2->8         started        12 OWKgibIrksPoy.exe 5 2->12         started        14 boqXv.exe 2->14         started        16 boqXv.exe 2->16         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\OWKgibIrksPoy.exe, PE32 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmpC78A.tmp, XML 8->53 dropped 77 Writes to foreign memory regions 8->77 79 Allocates memory in foreign processes 8->79 81 Adds a directory exclusion to Windows Defender 8->81 18 RegSvcs.exe 1 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         started        83 Multi AV Scanner detection for dropped file 12->83 85 Machine Learning detection for dropped file 12->85 87 Injects a PE file into a foreign processes 12->87 29 RegSvcs.exe 12->29         started        31 schtasks.exe 12->31         started        33 RegSvcs.exe 12->33         started        35 conhost.exe 14->35         started        37 conhost.exe 16->37         started        signatures6 process7 dnsIp8 57 mail.unitech-co.com.tr 77.245.159.10, 49734, 49737, 587 NIOBEBILISIMHIZMETLERITR Turkey 18->57 49 C:\Users\user\AppData\Roaming\...\boqXv.exe, PE32 18->49 dropped 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->69 71 Tries to steal Mail credentials (via file / registry access) 18->71 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        43 conhost.exe 25->43         started        45 conhost.exe 27->45         started        73 Tries to harvest and steal browser information (history, passwords, etc) 29->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->75 47 conhost.exe 31->47         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-03-06 03:50:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fnryar5ucjsca5a7zpj4p2u3e5xurkaaljrjsvpyuvumy7twgtca._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
061d22ce82c411b7a7a101fcb6fd0836f420b1800a7e5b241089fc819cfd4451
AgentTesla
36870ed67d32b8398243d77c47975603750cc92e9821db555b8e2b2df4d3d3b6
AgentTesla
92c2e29583a5387aaa8c516cb90679f79204fe6c6b599d728a3a2edd0d80c6d8
AgentTesla
+ 522 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240306-k7crsaff6x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/051a4765-bd00-4d98-9c7f-42be6a48e09b/
SH256 hash:
7e3cca4f44aae181a230e7c009d6e82124977410613568c7de948f037bcbfb71
MD5 hash:
20014d6c3561702764c2371200d7a9b5
SHA1 hash:
88ed66c8b20435472c25b2bd91d5925c60e68e4b
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/051a4765-bd00-4d98-9c7f-42be6a48e09b/
Parent samples :
705322479931288652d8dcca3391e35ec17f003f68085455d8f6e2acec7dd2f7
5746f44f3a3bca690d30ee45e179bcf003c7759b20a0394563cb30e3d2b4e6ea
19984d5d61f312c7e0ed20f4b4f5f2991cabc5dfd44c2a089416783791af843b
2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4
b8d16e3baf21ebb5ac7c138bcf5a71c4b195d41dd96d58919052bb3567bd367d
SH256 hash:
66728af97e7aa798d51036d0a204bf6f4cfd9a51940d4db7de770e11317affb2
MD5 hash:
8039d850d61a48e35341f829620594cc
SHA1 hash:
147bda8a519f1534a3908542abf94143f4ffc40c
Link:
https://www.unpac.me/results/051a4765-bd00-4d98-9c7f-42be6a48e09b/
SH256 hash:
996efd1a33d04923f83df8ffc31191b10b6a15ef56d8961351673c74416f7506
MD5 hash:
95046bfbc193c1faa89d6a32c870082c
SHA1 hash:
0c707a044df00706628eff48e982d29006c59aeb
Link:
https://www.unpac.me/results/051a4765-bd00-4d98-9c7f-42be6a48e09b/
SH256 hash:
2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4
MD5 hash:
422dae158a15725dd2f81a76ed1be6e3
SHA1 hash:
fc02bd1445823f87cc79fe6c4488786fdd862450
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/051a4765-bd00-4d98-9c7f-42be6a48e09b/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2b638047b412/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/2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4

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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 2b638047b4126420741fcbd3c7ea9b276f48a8005a629955f8a568cc7e7634c4

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (HIGH_ENTROPY_VA)high

Comments