MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a5a4a6132cd1c179447ff6d520665058bf8496ffa359524e16bab356cb80954. 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



Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 1a5a4a6132cd1c179447ff6d520665058bf8496ffa359524e16bab356cb80954
SHA3-384 hash: c21af24642cbe5eaddda495d9c6d294b120599ccdbe554594d00016d557a0f25c2f582023ebaee670ebde77d01e2eca7
SHA1 hash: a7a5aac46a51056d3d5e17dbaf995832a13f49c3
MD5 hash: c20675ed721bcfdb1fd4128e9963b31e
humanhash: november-lake-comet-nitrogen
File name:SecuriteInfo.com.Trojan.MSIL.AgentTesla.NWJ.MTB.24821.19340
Download: download sample
Signature Formbook
File size:1'086'464 bytes
First seen:2022-11-08 15:44:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:jUEk2lxLiV026X9zBxe4jHOKOi2cLGJ5SGxFuIGX+5Kl0ynVgnOxHScQk9zKcAW3:jUuxT3lxe4VDi0EYzxNQkdTseh
TLSH T14835C0A034B02FB5D67EDFF686282A2483F32D9A625AF24E4CE170EB1573F924550D17
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.MSIL.AgentTesla.NWJ.MTB.24821.19340
Verdict:
Malicious activity
Analysis date:
2022-11-08 15:58:03 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 741030 Sample: SecuriteInfo.com.Trojan.MSI... Startdate: 08/11/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 6 other signatures 2->51 8 juoaZijsCuQNk.exe 5 2->8         started        11 SecuriteInfo.com.Trojan.MSIL.AgentTesla.NWJ.MTB.24821.19340.exe 7 2->11         started        process3 file4 53 Multi AV Scanner detection for dropped file 8->53 55 Machine Learning detection for dropped file 8->55 57 Injects a PE file into a foreign processes 8->57 14 juoaZijsCuQNk.exe 8->14         started        17 schtasks.exe 1 8->17         started        37 C:\Users\user\AppData\...\juoaZijsCuQNk.exe, PE32 11->37 dropped 39 C:\...\juoaZijsCuQNk.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmpE8BF.tmp, XML 11->41 dropped 43 SecuriteInfo.com.T...24821.19340.exe.log, ASCII 11->43 dropped 59 Uses schtasks.exe or at.exe to add and modify task schedules 11->59 61 Adds a directory exclusion to Windows Defender 11->61 19 powershell.exe 17 11->19         started        21 schtasks.exe 1 11->21         started        23 SecuriteInfo.com.Trojan.MSIL.AgentTesla.NWJ.MTB.24821.19340.exe 11->23         started        signatures5 process6 signatures7 63 Modifies the context of a thread in another process (thread injection) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Queues an APC in another process (thread injection) 14->67 25 explorer.exe 14->25 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        process8 process9 33 autofmt.exe 25->33         started        35 mstsc.exe 25->35         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-08 14:29:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
24 of 41 (58.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:qmpa rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook
Unpacked files
SH256 hash:
514506ca47cf1a5f2491d9a0d989e2b440e3ddfe7e575e5009aced6e3f667d3b
MD5 hash:
2df2b5a80acddb4f24efe01dad28c0bb
SHA1 hash:
b5cf350b2ad052ad3e80425ef92bfa02d9c67f59
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
9783830c9dd3f386a697d4dc3c22f822fb69ad225a55db6adf7955801a1f9fc2
MD5 hash:
5999894674c0dd33f7173d3a99a9bd03
SHA1 hash:
5627449fb6d38467c02223802018751dc715970e
SH256 hash:
c340047e8fa1947516fba3c73f7883bf19a12e26fa3e0dd7595f2f369e2c0203
MD5 hash:
05a432774adb6d72a5ac59911de95371
SHA1 hash:
f8ef2f8e2028aa44f0f487381e6c69a64426f5f0
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
92bd802a0f7eb1213758a6c1a4c07302e0320c3a2aeb6273b0303dd3bbdefe90
MD5 hash:
046e97119545e5abde2f40b5dc3a0344
SHA1 hash:
3e69b67ddff2554c8cd72e129d4da9c8acd9d331
SH256 hash:
66d0e8ed4d98d60b9353dffb35925a13606171ccf5ab15fb1a547113d0fbb962
MD5 hash:
bd17bf8c242f0ee10dae0621ab470b3c
SHA1 hash:
3520ab67ec580c34a579c1419305bb2dc62c6a89
SH256 hash:
1a5a4a6132cd1c179447ff6d520665058bf8496ffa359524e16bab356cb80954
MD5 hash:
c20675ed721bcfdb1fd4128e9963b31e
SHA1 hash:
a7a5aac46a51056d3d5e17dbaf995832a13f49c3
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments