MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4ecf783cb909d0371e5f6befd9a8abb616f37f75ef1cbb030613539a864ba85. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c4ecf783cb909d0371e5f6befd9a8abb616f37f75ef1cbb030613539a864ba85
SHA3-384 hash: 1cfcc0bf07940bb33229b10de400b5d03ffd4a6de2e8c3db372f4447a553ff05c20cd025b836d667c2daac79c594c5a5
SHA1 hash: 2abce54fe0122c72ef5113dca4034fd027c69a2f
MD5 hash: 8ba3b12d77a0ba4ab082b3ba281a70ea
humanhash: network-mike-bravo-pennsylvania
File name:SecuriteInfo.com.Trojan.GenericKDZ.73143.4724.11520
Download: download sample
Signature Formbook
Create hunting rule
File size:558'592 bytes
First seen:2021-02-25 17:50:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:NrYSCdLVn/HfoXvXAa5EQJJf0QAP/O4RAAx3cKNiZgur4c40k4g7lzOUOWHK0Un:SvV/wfwkDU+5AVmDr4A628K1
Threatray 3'910 similar samples on MalwareBazaar
TLSH F1C415F7D30DC8D1DEA625F4620E8EA71A017F9FA4D462D859EDB13BC739121E4E0882
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8cdfdae871ac54d0aac1d11f5dd3e20f6ba994f57b46725c9de9287bb8ba872e.doc
Verdict:
Malicious activity
Analysis date:
2021-02-25 01:50:18 UTC
Tags:
ole-embedded trojan exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/bbf81382-4cf3-4754-86b5-b0dc5dbe932b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/119278/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.73143.4724.11520.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/619043
Signature
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected Beds Obfuscator
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c4ecf783cb909d0371e5f6befd9a8abb616f37f75ef1cbb030613539a864ba85/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-23 11:12:41 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
010192b5d3b3e85925fc312177759597b78fa7f6feb282cf3a743aae9f53067d
Formbook
1382bae50eece1846b8d858d0f975b900eb1a5908f789333c55b1341b1b0d57b
Formbook
149bc7bb666f2eabcf946822bd316709ddeeef787f059687415f98c71ad47783
Formbook
30c4c599964fba55c62d804dede3d9da42593ec9040ddc4a1286170b4df8d4f8
Formbook
4df95b25eba61af4dafea962aece44721deaebbb49cd3636fe3d20f169009d99
Formbook
5babb878615fbf3b56008f4d7becccdb0a316e3eecb95ce99ea2a6c9d5a8a19a
Formbook
5ec36ac5ba843f29bb0dc75d7d527ab9cee34a681bad704a89fd5ed12cdea337
Formbook
7402530ac9fbd4ffe59810625723e1f56cae5c399628f58dab946e484df05257
Formbook
8241caa4d6c5a09290864492d19dee143f0f80074d370135c0f91bad01c16ee3
Formbook
a4ed754c1a38fd8fc24bb4ec7f5da899c254df070bcc8cfd7b16778701c4b72d
Formbook
+ 3'900 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210225-dyry7jtbvj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Beds Protector Packer
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.as-enterprise.com/gypo/
Unpacked files
SH256 hash:
72834ffbf897ede2b2c77bfb3c19c0d821b9b32a9d720aba45d0c576f9a37ad5
MD5 hash:
fff67b87bfff407e61e3462bbd3d331d
SHA1 hash:
a20ef7c0431348431c4beaa3a6ff79443511e8ec
Link:
https://www.unpac.me/results/7805aa1d-6769-40d9-9ff0-8f0b6e95b278/
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/7805aa1d-6769-40d9-9ff0-8f0b6e95b278/
SH256 hash:
a09714c063bae78172da0e37faf647ba1eadd5f6e97fc68ca091e568d12cbc90
MD5 hash:
33457d8708191860922254a7eb7512f7
SHA1 hash:
f26b8c5533aa951f3a5894d05fe00099f8e64bb7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/7805aa1d-6769-40d9-9ff0-8f0b6e95b278/
Parent samples :
7402530ac9fbd4ffe59810625723e1f56cae5c399628f58dab946e484df05257
c4ecf783cb909d0371e5f6befd9a8abb616f37f75ef1cbb030613539a864ba85
1cf498cbda7bee39a265c2e160f729dde3ff8d2758e0ba64765d99c29e49c26b
SH256 hash:
c4ecf783cb909d0371e5f6befd9a8abb616f37f75ef1cbb030613539a864ba85
MD5 hash:
8ba3b12d77a0ba4ab082b3ba281a70ea
SHA1 hash:
2abce54fe0122c72ef5113dca4034fd027c69a2f
Link:
https://www.unpac.me/results/7805aa1d-6769-40d9-9ff0-8f0b6e95b278/
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Web download

Formbook

Executable exe c4ecf783cb909d0371e5f6befd9a8abb616f37f75ef1cbb030613539a864ba85

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1029456/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/119278/

Comments