MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a9b8bab36f3ad09f3bb0ecd4939ac86bdfb331b6847986020cb9f2ad6357870. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a9b8bab36f3ad09f3bb0ecd4939ac86bdfb331b6847986020cb9f2ad6357870
SHA3-384 hash: c46a837fa476af970998df8e4a802cf62f61ee0dcb79013457e5ac43c4d14b38a3383d7f111afebdcfba6e847fcc2758
SHA1 hash: a45cb53e5eb3f1271538c6d52d10201e71a61326
MD5 hash: cf32cb48ed666d61189d40eef8deef08
humanhash: magnesium-speaker-river-quebec
File name:SecuriteInfo.com.Trojan.Olock.1.20568.17882
Download: download sample
Signature Formbook
Create hunting rule
File size:990'208 bytes
First seen:2022-07-11 10:55:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:C60QcAxO8/h8cs56qXcoz6nHj+xk0AiAVanrtygrYsj:C6VcAxOGq/56qXcoxXAiAVan5Ys
TLSH T12E25DFCAE010D9A0E829063C31BEE7B05162BC7A85AC7DDD79D27C3F3AF5466241A5C7
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.Olock.1.20568.17882
Verdict:
Malicious activity
Analysis date:
2022-07-11 19:02:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e3809a10-0c1c-472b-bc60-718d01d9e071

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/286185/
Detection(s):
SecuriteInfo.com.Trojan.Olock.1.848.20476.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62cc01ce81790e51fe572e75/reports/e9db1b01-2c94-417c-bdfb-2f0109f21ebf/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75d1f8e3-dc15-47c7-a3c1-42d5bed6b112
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1028460
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 domain / URL
Multi AV Scanner detection for submitted file
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:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5a9b8bab36f3ad09f3bb0ecd4939ac86bdfb331b6847986020cb9f2ad6357870/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-07-11 09:18:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lknyxkzw6owqt453b3gusonmq267wmy3nbdzqybazopsvvrvpbya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/220711-m1nxksgdgn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader payload
Xloader
Unpacked files
SH256 hash:
639d3b4681e9118751e83c431c91025cdd30b4f218be3d48115bf40c39d089ce
MD5 hash:
2acd9cdef2949a8840f9a22addb8ce7e
SHA1 hash:
38f5335bbd7f63050733ddaafb1934248f04c5d4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c5b42ab2-002b-445a-8256-607e432a14d0/
Parent samples :
d04b778ed37e364a57dca3b1ba40dfa60435fd9b1c18da6981a386b7be04437c
f6db3a2b3160b40742b164c6bbe0496368f4fc52d1a16757a49d023f5189b428
5a9b8bab36f3ad09f3bb0ecd4939ac86bdfb331b6847986020cb9f2ad6357870
61f2a87a69b42545e21404b9d231ef83df880356dbe7a6ce320de40e3ec604eb
55d0997c1a57e39f7de4f2b571524d65069a56a063cf9be315c88a24a72e2bc1
66c846022acacc0aaa6c5a6ff2f69985ff799b390108ef0e31b5629843309ec1
SH256 hash:
0fae1855c65d635d55e5f6aa450d8c9f3bd63c5cb4ef8e7d6947757b6c4a812e
MD5 hash:
51b3e4f94acfd5f6febdeda4f4e09db3
SHA1 hash:
c526c72601e747287c80aebb4357e6091aa2a960
Link:
https://www.unpac.me/results/c5b42ab2-002b-445a-8256-607e432a14d0/
SH256 hash:
b950d68a4c4055f47b4d77689e4d8b0487fc912d031deeebb6f41cd1fc47fd49
MD5 hash:
22e4bccc97f7d63873a85707f18f0c1c
SHA1 hash:
91aa0baf0100442e810fb795b0b244e7f0bb19d9
Link:
https://www.unpac.me/results/c5b42ab2-002b-445a-8256-607e432a14d0/
SH256 hash:
883b63ef84c6b1cc09687962beca56e4f4b7960df7c5459e29998befaa3ccf15
MD5 hash:
ecb3f27eb8279c51608c8ea8f8050655
SHA1 hash:
82385d75444ab5fccacf37e2746c7dce73faa7f3
Link:
https://www.unpac.me/results/c5b42ab2-002b-445a-8256-607e432a14d0/
SH256 hash:
7a3f89b56b6ef1d0d1775b4c78757790d66d7b1d89c20d14d1eaa6b74032b694
MD5 hash:
8a7cc97a4ca569e74d33a0f4adff27b5
SHA1 hash:
1d1614978411e63021a0e21b66fc53e9d8183b7c
Link:
https://www.unpac.me/results/c5b42ab2-002b-445a-8256-607e432a14d0/
SH256 hash:
5a9b8bab36f3ad09f3bb0ecd4939ac86bdfb331b6847986020cb9f2ad6357870
MD5 hash:
cf32cb48ed666d61189d40eef8deef08
SHA1 hash:
a45cb53e5eb3f1271538c6d52d10201e71a61326
Link:
https://www.unpac.me/results/c5b42ab2-002b-445a-8256-607e432a14d0/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5a9b8bab36f3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/5a9b8bab36f3ad09f3bb0ecd4939ac86bdfb331b6847986020cb9f2ad6357870

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
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/286185/

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