MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a4a31c38a5ea9eb589521b2839b995e0270e6dc07405fb27dabd01d18d90b51. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0a4a31c38a5ea9eb589521b2839b995e0270e6dc07405fb27dabd01d18d90b51
SHA3-384 hash: 5136df9a0c65855ce563162c7ccf11c4409f12aa02ab63dc4c98744744b8003c9544895244b7a244a3fd243ea2cdfc2b
SHA1 hash: c1e5925482c014444efa1695930095aea073af76
MD5 hash: ec296d625c976a4aaddc706e63d1d413
humanhash: ceiling-maine-twelve-magnesium
File name:SecuriteInfo.com.W32.AIDetectNet.01.20360.29913
Download: download sample
Signature FormBook
Create hunting rule
File size:669'184 bytes
First seen:2022-05-11 17:59:55 UTC
Last seen:2022-05-16 09:18:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:KCpipAVIHg8RvpTaK9mAoE+PdFOFImOlyC43SPKZd2Pp:KCgHLeK9bFNUnhb
Threatray 15'458 similar samples on MalwareBazaar
TLSH T11AE40118F2EAEB12F0BE6F7690F9501453B8BD0AA533D30F198C164E5E537930A91B97
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e0d2e25945ba9cf0 (15 x AgentTesla, 9 x Formbook, 7 x Loki)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/269756/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/627bf9b236c061db6e63ffc8/reports/501c8c42-e6ff-4e60-bf71-c093cc2c7d74/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/4243835e-ac0f-4b94-af0e-19ea96f80fab
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/992103
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0a4a31c38a5ea9eb589521b2839b995e0270e6dc07405fb27dabd01d18d90b51/
Threat name:
ByteCode-MSIL.Trojan.Gorgon
Create hunting rule
Status:
Malicious
First seen:
2022-05-11 08:12:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bjfddq4kl2u6wwevegzihg4zlybhbzw4a5af7mt5vpib2ggzbniq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
499fb85e548a134abdf18b6a9d149b9c4f2bf9b0f534dd4c86e600180fb19bf9
FormBook
7004038b720e2eab183b3cb5832661a32187f8d8c5f541dba61270044552fde0
FormBook
73cbecbb1b1ea2460d93f020a4fd71044e40c6721f48693da10855544dc8da20
FormBook
7a112f3fc7b4a8fdd9a8a576553b5a96098b6373e2c22ec9646bf7a472d9d3be
FormBook
7b3be400d99b473afc9f2bdf46477b61736a71db20cd9d1137b0cab4d4aaeff9
FormBook
b0719b23f521e380ea76a06aaee77d34b506ef96890542072101950ccffeac32
FormBook
e51d07f5a5a73b65e0ddd7f2b94fa87a3fede71fbb4e4b35c57b9fc56dd198ee
FormBook
e740634fa7cca3715fa9eb7fa30892467e31d044ed6f661ad25dae49298862d7
FormBook
e7962cdd23b186bb033234ee3275fef94db2650f2a15fd78b25c8a2662effc80
FormBook
+ 15'448 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:e934 rat spyware stealer trojan
Link:
https://tria.ge/reports/220511-wlawvahfdk/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
cdcea37abce473eaaab9c24324e22c63bb581e3b97980d1d73e5ddd426e71897
MD5 hash:
f171b37db36f271c812b067a010446df
SHA1 hash:
3c280176ea2a5ddbee38710889ba890ea8f69d8e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ef90694f-2d11-4a6a-a060-fadf86239088/
Parent samples :
0a4a31c38a5ea9eb589521b2839b995e0270e6dc07405fb27dabd01d18d90b51
1aedec4c789a2833e781fce06c81c709c4c8cef42f9b1fe2a2b61f9bb836cbee
212a9d67f119355da790e8449b6978f357d46bb671d7e038444ad1eae5995bdc
a25f8973ec9af55bd5382cc5e7c9495edcd8a5311d632d607de4c25bb4a12332
60612eca6fac7085f8747d9943939ea995ad836c5cc314fdb283f8e2463672d6
84347c5247f07c3563add6a525c9fae350a5130b062431af0f1646be6c31ee51
SH256 hash:
c206122a7336385be557580c114ac0923192f61bc8f77aa58c898135438399f9
MD5 hash:
6c9e813248a01432890c476813d210b8
SHA1 hash:
fd54aa3af58fc3a88cb3fd6753d773cd6c51b7f8
Link:
https://www.unpac.me/results/ef90694f-2d11-4a6a-a060-fadf86239088/
SH256 hash:
d77ca77c1e32df651102c566e9a5dda658421fe3fca5ef8f37141ce518fb5ca2
MD5 hash:
0c814d63ee9bcbf66de6ce874b59430c
SHA1 hash:
d9012a044d76210a8961fd4c25facb4e360f63e7
Link:
https://www.unpac.me/results/ef90694f-2d11-4a6a-a060-fadf86239088/
SH256 hash:
48c8eeeb2b65705ade24e18689315ca3c225d727370a66df49c898628b797a59
MD5 hash:
2082454646a12a593bec9e6e0238436f
SHA1 hash:
6ca3189f24a8c93558237647a068aad564a7be54
Link:
https://www.unpac.me/results/ef90694f-2d11-4a6a-a060-fadf86239088/
SH256 hash:
0a4a31c38a5ea9eb589521b2839b995e0270e6dc07405fb27dabd01d18d90b51
MD5 hash:
ec296d625c976a4aaddc706e63d1d413
SHA1 hash:
c1e5925482c014444efa1695930095aea073af76
Link:
https://www.unpac.me/results/ef90694f-2d11-4a6a-a060-fadf86239088/
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/0a4a31c38a5ea9eb589521b2839b995e0270e6dc07405fb27dabd01d18d90b51

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/269756/

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