MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 301700358a42c5d078221f9d13d483ad9d1498eaa3dc547ff3aec4c41237f97e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 301700358a42c5d078221f9d13d483ad9d1498eaa3dc547ff3aec4c41237f97e
SHA3-384 hash: ac328a2caff4f8c1adc87df5c795ec5660cab5ea040495fdeccefe1b186369a6e986da05ecc7c729dc4a8b88b32bcb9e
SHA1 hash: d782186057163a7f18e164dfc8bac3163e5b49cb
MD5 hash: 13842315baed0659a8e18cf3057ded96
humanhash: south-delaware-pip-zulu
File name:301700358a42c5d078221f9d13d483ad9d1498eaa3dc547ff3aec4c41237f97e
Download: download sample
Signature Formbook
Create hunting rule
File size:769'024 bytes
First seen:2025-12-08 14:58:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:7S6Z95mo/YXrCuClZddI+MNxLMB46Q2fpJJ3RLrt10W1bf/1P1s:7SZeYXrCu6d6+R465zPt10W1bTs
Threatray 2'222 similar samples on MalwareBazaar
TLSH T184F40125726CEF16D0A34BF90661D274ABB49E8A6821D316CEE73CDF743AF008551B53
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
FormBook RoboSki
Details
FormBook
a decrypted component and its RC4 key
RoboSki
a Base64 + XOR/Sub-decrypted component, its associated key, a mutex, a filename, and ReZer0 configuration parameters including: a load type, a download URL and filename (if configured), an interval (if configured), and varying flags
RoboSki
an extracted ReZer0 payload
Link:
https://research.acce.ciphertechsolutions.com/results/42f356d8-7737-4c1e-9a98-ad523598154a/
Malware family:
n/a
ID:
1
File name:
301700358a42c5d078221f9d13d483ad9d1498eaa3dc547ff3aec4c41237f97e
Verdict:
No threats detected
Analysis date:
2025-12-08 19:05:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2026734f-8bf4-4fd3-a16c-91feae1c3616

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/43266/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6936e802881313558a2b89ac
Tags:
shell virus msil
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/301700358a42c5d078221f9d13d483ad9d1498eaa3dc547ff3aec4c41237f97e
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-14T12:46:00Z UTC
Last seen:
2025-12-10T08:49:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/301700358a42c5d078221f9d13d483ad9d1498eaa3dc547ff3aec4c41237f97e/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0f886b0a-1eea-49cc-a52e-3cf28ca8b63e
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/301700358a42c5d078221f9d13d483ad9d1498eaa3dc547ff3aec4c41237f97e
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.26 Win 32 Exe x86
Link:
https://app.malva.re/file/13842315baed0659a8e18cf3057ded96
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/301700358a42c5d078221f9d13d483ad9d1498eaa3dc547ff3aec4c41237f97e/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-11-14 16:53:33 UTC
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=galqanmkilc5a6bcd6orhvedvworjghkupofi77tv3cmierx7f7a._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
220508aa28bcd902b7513ee7187ffc10487ecae6e77d9446f17216473fc5fb61
Formbook
7b96c0f4aee4bfb45eb29be64a5d469ad324112dae8dc5c69acce6954ec33b32
Formbook
7be16d08f76a1f88d6ff634df15d045d532e8a7b67827e21f4c7d71f37f3718b
Formbook
8ec0ad44c95b1b7190a2fcae723d0189bc0c814e08244b974c0e9fe51b19bd03
Formbook
8ec9443551fea606da99679a03c90c5b64e00957b74d1aea6c1b6115f7a24269
Formbook
b5f7ce31c9333182fd55674e84e7a60e21cfdc92cf6b3b7286be53923a03386c
Formbook
cfc678a99a6bce4180cfe2bc45861694cca244977b850691a04737251c8bef30
Formbook
decdb74ebd6bcdf8e64941b717e7830a401490f3d37437cc2110afcbc64d6606
Formbook
e33cb23b65d7b1b744b2e12f438cf192f2c58431a4e7f42c7c99899dbaf06dad
Formbook
error
Formbook
+ 2'212 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/251208-scyprsynal/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/48ce3b4d-5333-4831-87cd-99503edbe582
Unpacked files
SH256 hash:
4755144f82a4a3fa80f43be3df88153647eb21497ca3dc4f025a1153053decc2
MD5 hash:
39274f692cae5cf33932f90258e4ad98
SHA1 hash:
054a3ecaf8abe838fe52a229bbba1a2755456653
Link:
https://www.unpac.me/results/f868949b-7bb1-406d-a37c-318b741b6490/
SH256 hash:
d1221f54247ab326a4ff54538ada0a4c5f37145817265323e6473fc68e4a4558
MD5 hash:
2ba91db197521616944f70bede4215b1
SHA1 hash:
3983b45266c69e56daa1462d80acab87f274c504
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f868949b-7bb1-406d-a37c-318b741b6490/
SH256 hash:
b23b1cbc9307d22f064b6b82a258e316863b6a6793528705ba9e9789ca534e39
MD5 hash:
8277b03f43a2d15e5e1621556acdabcc
SHA1 hash:
73ea129498ee684797d56d727a714d4a6a9b31f2
Link:
https://www.unpac.me/results/f868949b-7bb1-406d-a37c-318b741b6490/
SH256 hash:
ae9e767716c6895a278ae4f10074ad13b37b8555becc47473593912b5e74e418
MD5 hash:
9790dff7c764731d58298f832f4ee7a6
SHA1 hash:
37be16b575ab689dc0e60daa967e52396a2e563a
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f868949b-7bb1-406d-a37c-318b741b6490/
Parent samples :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 hash:
301700358a42c5d078221f9d13d483ad9d1498eaa3dc547ff3aec4c41237f97e
MD5 hash:
13842315baed0659a8e18cf3057ded96
SHA1 hash:
d782186057163a7f18e164dfc8bac3163e5b49cb
Link:
https://www.unpac.me/results/f868949b-7bb1-406d-a37c-318b741b6490/
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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/43266/

Comments