MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c01f5a812c3ca378bc066a4fbd56d1ceda30f8b051eaaa4941b9af92956fc8e6. 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: 12


Intelligence 12 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c01f5a812c3ca378bc066a4fbd56d1ceda30f8b051eaaa4941b9af92956fc8e6
SHA3-384 hash: f3854a7eff43f63585911250ac89eddf4983a4d04af60733cf0fdd14483fd95a51015200b6d6e79d465183bc80ee7944
SHA1 hash: 6185959611f022976a4c028b5e1fd21c6f3d0de0
MD5 hash: 8753b868fa0cf9e0fa3a484f263fdb66
humanhash: south-johnny-wyoming-bakerloo
File name:SecuriteInfo.com.Win32.PWSX-gen.25918.11171
Download: download sample
Signature Formbook
Create hunting rule
File size:926'720 bytes
First seen:2023-12-08 18:17:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:YW6iYg8+RaBDC2g9wFvS+q002haWs11fG6Z1+OH9jnNUO1oUR:KhU+FvQ6IbLNEUR
TLSH T17D15C23C58BE1A37D176C2AACFE88967F540947F3A21AD6A84D787550342AD374C323E
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
287
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/463723/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.25918.11171.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65735db83f60a810348c5a29/reports/a86e0bcc-5da3-4579-a955-3bc728c82383/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c01f5a812c3ca378bc066a4fbd56d1ceda30f8b051eaaa4941b9af92956fc8e6
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/ed415a6d-88ef-4cb7-ad18-8f14329aa29f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1356464
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c01f5a812c3ca378bc066a4fbd56d1ceda30f8b051eaaa4941b9af92956fc8e6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c01f5a812c3ca378bc066a4fbd56d1ceda30f8b051eaaa4941b9af92956fc8e6/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2023-12-08 18:18:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yapvvajmhsrxrpagnjh32vwrz3ndb6fqkhvkuskbxgxzfflpzdta._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/231208-ww794adcf7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
41e245bf0dafde03a575b0d3d6581d5f0e59329047da738ddd88b5e19fe38e87
MD5 hash:
6be36044741307f6bd5dfe7f510a84e8
SHA1 hash:
e5c31ea1f7f5a17098a001af2804aea15405766b
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/8ea4fa47-1b8d-47ff-901b-6b674c1fa48c/
Parent samples :
33d4f40d83493428f817717c92af34b335788346735a5563e7ee515993fa8d93
8a396b8151f475d72a31a9897353e57ee18cd5ec5a4cd82d29998940ff71b3a7
1b245652f8eb90239d220881931099461279d671ad3c9f386c1c93699a9d4fc5
5e8b9a3cfcbc1a19ade37e8d246f61d95caf08ce139b6280b77dea376b626ec7
482fe81656515bb2c9d01bb6d5d6497834fdc36758a069616a4c71a995c10aeb
c01f5a812c3ca378bc066a4fbd56d1ceda30f8b051eaaa4941b9af92956fc8e6
be5ea75b6b003e8d06764370ba6a89be22845dec6bcf25a6f2d50c2d478dd214
SH256 hash:
a0f01eaf0772e8a22deec7deaffe23c78790261a8e917005e7796e12f4b89b6d
MD5 hash:
2d194f56ed6fd1e15d977f873b63df83
SHA1 hash:
adf44b215e43477d8e70b942c528a83df3837c7b
Link:
https://www.unpac.me/results/8ea4fa47-1b8d-47ff-901b-6b674c1fa48c/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/8ea4fa47-1b8d-47ff-901b-6b674c1fa48c/
SH256 hash:
838e5000e114e29ebed5b65480a49b4438e51fa9987c6613149dd377252e272a
MD5 hash:
5120b64529a0108f59cddc8e4e3e1df8
SHA1 hash:
90acd7a847b2bbb928a8aa30423a0c314bd0f3e1
Link:
https://www.unpac.me/results/8ea4fa47-1b8d-47ff-901b-6b674c1fa48c/
SH256 hash:
231572ac1e94d55669fce1dbf04a15e39dcf43d551f10ad8a63b9dde9fade69f
MD5 hash:
605139922a55f724a04bcbe12e91e3df
SHA1 hash:
5f51f617467f9601c394953e7b360418c77f4ef8
Link:
https://www.unpac.me/results/8ea4fa47-1b8d-47ff-901b-6b674c1fa48c/
SH256 hash:
c01f5a812c3ca378bc066a4fbd56d1ceda30f8b051eaaa4941b9af92956fc8e6
MD5 hash:
8753b868fa0cf9e0fa3a484f263fdb66
SHA1 hash:
6185959611f022976a4c028b5e1fd21c6f3d0de0
Link:
https://www.unpac.me/results/8ea4fa47-1b8d-47ff-901b-6b674c1fa48c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/c01f5a812c3ca378bc066a4fbd56d1ceda30f8b051eaaa4941b9af92956fc8e6

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

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/463723/

Comments