MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 552f1eac89b16ae3e92398f85871bfd6e912f9b23526d46d3dac73ae2edd097d. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 552f1eac89b16ae3e92398f85871bfd6e912f9b23526d46d3dac73ae2edd097d
SHA3-384 hash: 93dda5b62314ee4e51c401f34176ab773afb2ced1f62e9c99bc054673fb9ec6317f81b85bcfe5decc74756a9f4883147
SHA1 hash: 1c53732662ae7bda1d8575a1e3e621f5345ae201
MD5 hash: 06bacb8b46925876cd0e118fcf8fbe2d
humanhash: lima-vegan-bravo-snake
File name:kp5fi12lDj7RlQU.exe
Download: download sample
Signature Formbook
File size:957'440 bytes
First seen:2022-09-14 13:11:42 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:wdV7uikFgEl8kQpaLnyb/WUtTehkj8N/XY58O8Hrexym/PaXCLkR:wlubgEGMcHWXwcekm/PaXakR
TLSH T17615E0142771C90BCC6AA170DCD2E3705EA85DC5876EC64B0DEC7CBBF23B29869913A5
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 71e086a69e8ee071 (9 x Formbook, 8 x Loki, 7 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
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
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-09-14 13:10:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oe29 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
81673ad528f3ac51b400cff87aa3741601092187def0e760ab83646cd1338031
MD5 hash:
f49dce6c82c8c2b96709a7b9cdeceaa6
SHA1 hash:
8a4bc97052cd4e8932f8fc107d84688513fdde74
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
55c8b77b8d499d9e8847d814464123413838754f8bbc53ab7f94e5ef831416c7
MD5 hash:
fb2eacaad0e877eae6723b33d3cbb58f
SHA1 hash:
dc3a9f8ec0b88f2a986cf8949ac3040e3ac2c18e
SH256 hash:
f9b57f5658c9de41bf2ca1543efda89841476f6966352dba5f308151d434aa38
MD5 hash:
6bb9b0ed211266e43d2bf429d5632c26
SHA1 hash:
38d05a2566aa13e6ef0e69071fd9d50369f27cbd
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
552f1eac89b16ae3e92398f85871bfd6e912f9b23526d46d3dac73ae2edd097d
MD5 hash:
06bacb8b46925876cd0e118fcf8fbe2d
SHA1 hash:
1c53732662ae7bda1d8575a1e3e621f5345ae201
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.

  
Delivery method
Other

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