MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4097221e19342e5b91103161eb7aaec277ff47ea694a86b92f7574be7959cc7. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4097221e19342e5b91103161eb7aaec277ff47ea694a86b92f7574be7959cc7
SHA3-384 hash: 2ad85df12ca6a4eb893db559a688cdd18c2c0d52ff2ecb72e808e2c4be3cd60d5d8835e0ff1d511a3914d6df76bcf6ce
SHA1 hash: 302d3165a028de0c2fe7b50776a04d13f6d857cd
MD5 hash: ab47f89cf986d9e52822873e0052e7d4
humanhash: lithium-gee-cat-friend
File name:ab47f89cf986d9e52822873e0052e7d4.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'081'856 bytes
First seen:2021-11-04 17:35:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a909072c8ac1c865a094bf6cee9a4d60 (6 x RemcosRAT, 5 x Formbook)
ssdeep 12288:JmF8ukZ1BjH652L9a3ZV6ImC/KGaIEfrcSjzMYIO3pxhOtFuhe3CL+NdJydmf:JywJjf9QVOg6zZ3nheu8swJ
Threatray 9'303 similar samples on MalwareBazaar
TLSH T10B359E3276A26473C263193C8D5BC3B66939BFF11D287D421FB1780B4F7A6423966983
File icon (PE):PE icon
dhash icon 697110152b2b1530 (9 x RemcosRAT, 6 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-04 05:53:11 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/5ae2b4c4-4246-4f3f-84d9-cda077e4d865

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/202457/
Detection(s):
SecuriteInfo.com.Artemis41EC449D4CEA.23656.22528.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger
Link:
https://www.filescan.io/uploads/61841a06c03a81a502403ecb/reports/a996befe-b4fb-49c3-98f4-738df424cde9/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/07629775-1512-49c1-b2e3-3deff6cbde03
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/883441
Signature
Found detection on Joe Sandbox Cloud Basic with higher score
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4097221e19342e5b91103161eb7aaec277ff47ea694a86b92f7574be7959cc7/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-11-04 07:42:17 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6qexeipbsnboloiramlb5n5k5qtx75d6u2kkq24s65luxz4vttdq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1e5bb5e00fddfcc62c8bfe71b46a4c8c6c22986c7a51931d16b8ddc465170d72
Formbook
298d542746dfa4922dd5fbc8fab572be58447c9dbd1481c55bd2254bb275684f
Formbook
3490cb5fd9a372722f95ed69c41e23d5cd274ce6b3c024ec1731962a380409d6
Formbook
86efd34020073e8fcdb31a794973b6a63ebef864684e304edc98d435ffa75016
Formbook
b5b4d9ff557a75779e7d90ce17ab8ccb549e10c41be3a67211dae10fe6daec4b
Formbook
c11992880daecda35958fd14fcf3b6e5d32a6bda8c904a888ede0dcbb1f91aa6
Formbook
fc987865d9443b0a2e9367d07da163a588ef2ec6cef5be08d1ef0bc10f58cd3d
Formbook
+ 9'293 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/211104-v6kq4shbf4/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
b54acef9838cff6393d79dda537a22d53898471f564b788cb435f9eb9c14260a
MD5 hash:
30ce6fdc8056eb47d2d9d08479cd1468
SHA1 hash:
1eb253077018219fead30b06acf756605d92dfeb
Detections:
win_temple_loader_w0
Create hunting rule
Link:
https://www.unpac.me/results/47e31942-da22-4c8c-8e07-12bd05d8a22a/
Parent samples :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 hash:
f4097221e19342e5b91103161eb7aaec277ff47ea694a86b92f7574be7959cc7
MD5 hash:
ab47f89cf986d9e52822873e0052e7d4
SHA1 hash:
302d3165a028de0c2fe7b50776a04d13f6d857cd
Link:
https://www.unpac.me/results/47e31942-da22-4c8c-8e07-12bd05d8a22a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f4097221e19342e5b91103161eb7aaec277ff47ea694a86b92f7574be7959cc7

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe f4097221e19342e5b91103161eb7aaec277ff47ea694a86b92f7574be7959cc7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1750412/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/202457/

Comments