MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62f5f91f3533cffc8b6213b9cffeb8315f09d2219717d9477b08f470f312bc29. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 62f5f91f3533cffc8b6213b9cffeb8315f09d2219717d9477b08f470f312bc29
SHA3-384 hash: 3b4492a6ccd4cd0cc26691a7b0076c79fe2cdb93cbce796e276685c367b34bf26c3458a13eb03e18953143f41108cab0
SHA1 hash: 57c5df87cd289ec423b4b897d12c2cecde055f23
MD5 hash: 6c6b494076108f4180b42360dbf24c70
humanhash: fillet-xray-robin-march
File name:Waybill_Documents_ 8973245761.exe
Download: download sample
Signature Formbook
File size:628'736 bytes
First seen:2023-10-24 05:33:57 UTC
Last seen:2023-10-31 12:41:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:7hNh6sxTA6qNhB6eN/v0/PnQqnqbJpCFfuiyaCAbT6YdeIh:7DDxs6g76eN/S/uJy8CbTSI
Threatray 131 similar samples on MalwareBazaar
TLSH T122D4232911F80777DA681BB96471BC5A137821AD6C42F3DC5DE330DFA949F06C608A9B
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 00c4cccac6a49000 (15 x AgentTesla, 4 x Formbook, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
308
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Waybill_Documents_ 8973245761.exe
Verdict:
Malicious activity
Analysis date:
2023-10-24 06:45:09 UTC
Tags:
formbook xloader stealer spyware

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

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Packed.Generic
Status:
Suspicious
First seen:
2023-10-23 13:50:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 37 (54.05%)
Threat level:
  1/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ny02 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
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
3a247e8af85ac5aae079ce7a58623e51c1d8df5b30c9601a153280f8368e8810
MD5 hash:
f9044d79d5278b36ba66e311d265b5f9
SHA1 hash:
5440f989f3a89ec7d9bce378d2e43c5a2ad413f5
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
SH256 hash:
0ead9fff7195892a6158f6ca2919ef3939e55c82ee9999066a82db8ec68be653
MD5 hash:
4bc5ce044006646175b80c77e780ee34
SHA1 hash:
b97aa192294fc12d5f7fe3139b6d0674457d761e
SH256 hash:
55b6cb7467359aa5843d18211c5e11f2c0ec25e1e6b282596db73a65b23e1978
MD5 hash:
8127f9bf73396f3d650378c3a563f832
SHA1 hash:
4362224d0e1686b1c86cff1a5d283018154f797b
SH256 hash:
62f5f91f3533cffc8b6213b9cffeb8315f09d2219717d9477b08f470f312bc29
MD5 hash:
6c6b494076108f4180b42360dbf24c70
SHA1 hash:
57c5df87cd289ec423b4b897d12c2cecde055f23
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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 62f5f91f3533cffc8b6213b9cffeb8315f09d2219717d9477b08f470f312bc29

(this sample)

  
Delivery method
Distributed via e-mail attachment

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