MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11990c08ba3e1eb0f464d9850bb76696a89f95c0368e3634488139f25b96bf42. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 11990c08ba3e1eb0f464d9850bb76696a89f95c0368e3634488139f25b96bf42
SHA3-384 hash: 816182169adca457acb0719a25b84a99e3b88084e759209607d1fa5e296e2d929bbc28fb71a92c754e2efe73df36b6df
SHA1 hash: 99272ab4f217276228ab68eaae72abfc4242a746
MD5 hash: 4456d023908ebca5034b01ae809d6e62
humanhash: oranges-magnesium-table-delta
File name:SecuriteInfo.com.Win32.PWSX-gen.7158.12123
Download: download sample
Signature Formbook
File size:676'352 bytes
First seen:2022-12-05 12:46:23 UTC
Last seen:2022-12-12 16:11:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:6PuYd+V6b1momPZefeKrsUTkx8S0VP+P1ATnVsgIu3fV6Tx0TBf+v0PuYd+V6b:6PuYd+V6bIomxieMwx8ZBT2/0cxWBf+y
TLSH T18AE4025DB3159427CEE5EC74F8BAA14542F2BC79C8A1CA3E384332AF9570B9D9B14306
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 00c0c0b2c0709a6c (16 x AgentTesla, 5 x Formbook, 3 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
5
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Revised Request Order 2022.lzh
Verdict:
Malicious activity
Analysis date:
2022-12-05 10:23:54 UTC
Tags:
formbook xloader

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
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
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)
Sample uses process hollowing technique
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)
Tries to detect virtualization through RDTSC time measurements
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: 760768 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 05/12/2022 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 6 other signatures 2->55 9 sWoaYFhAZd.exe 5 2->9         started        12 SecuriteInfo.com.Win32.PWSX-gen.7158.12123.exe 7 2->12         started        process3 file4 57 Multi AV Scanner detection for dropped file 9->57 59 Machine Learning detection for dropped file 9->59 61 Tries to detect virtualization through RDTSC time measurements 9->61 15 sWoaYFhAZd.exe 9->15         started        18 schtasks.exe 1 9->18         started        41 C:\Users\user\AppData\...\sWoaYFhAZd.exe, PE32 12->41 dropped 43 C:\Users\...\sWoaYFhAZd.exe:Zone.Identifier, ASCII 12->43 dropped 45 C:\Users\user\AppData\Local\...\tmp5327.tmp, XML 12->45 dropped 47 SecuriteInfo.com.W....7158.12123.exe.log, ASCII 12->47 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 12->63 65 Adds a directory exclusion to Windows Defender 12->65 20 powershell.exe 21 12->20         started        22 schtasks.exe 1 12->22         started        24 SecuriteInfo.com.Win32.PWSX-gen.7158.12123.exe 12->24         started        signatures5 process6 signatures7 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 26 control.exe 15->26         started        29 explorer.exe 15->29 injected 31 conhost.exe 18->31         started        33 conhost.exe 20->33         started        35 conhost.exe 22->35         started        process8 signatures9 67 Maps a DLL or memory area into another process 26->67 69 Tries to detect virtualization through RDTSC time measurements 26->69 37 cmd.exe 1 26->37         started        process10 process11 39 conhost.exe 37->39         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-12-05 09:27:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook cobaltstrike
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:f9r5 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 payload
Formbook
Unpacked files
SH256 hash:
ee057c629b146c5e1d1228a889ae1f5e86705a911dc96a32c95af5796d9efe8c
MD5 hash:
9a28af3dad646eaa506d4087c5c058f6
SHA1 hash:
a669376090bdf134f5f709913864b032b0fb84c8
SH256 hash:
3ea5c81f31ba9e6c3615fd88776b14fcba2c9896f0e1978fefc146c8fc125b58
MD5 hash:
7d252448e8178bf9770fcac47616d777
SHA1 hash:
71391a4a3341188e2a02444290b80788f1c2f4d2
SH256 hash:
922915132a628d0050bf03a473370544dde3323627fb4adcba3f1ba869537e50
MD5 hash:
1ecb63625d636b0b8f8ebdece9fa80c3
SHA1 hash:
5623d5ad21fc63893011bae7e4709c51219fcc1c
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
SH256 hash:
11990c08ba3e1eb0f464d9850bb76696a89f95c0368e3634488139f25b96bf42
MD5 hash:
4456d023908ebca5034b01ae809d6e62
SHA1 hash:
99272ab4f217276228ab68eaae72abfc4242a746
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.

Malspam

Formbook

Executable exe 11990c08ba3e1eb0f464d9850bb76696a89f95c0368e3634488139f25b96bf42

(this sample)

Comments