MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f925810c89fa8a74336dd667fd0b57e3caf827a0976647a20d655351252b91cd. 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: f925810c89fa8a74336dd667fd0b57e3caf827a0976647a20d655351252b91cd
SHA3-384 hash: 32a53ab2a40eeabe4506ee07cdb3fea66da06716b4e5956eee5d7df8526739713319d7a7b684c37d881f9b54d551b375
SHA1 hash: 05e4515f67aed1fbd774c6ad5d2cbfcd94a2e4ad
MD5 hash: fbc73a73884b22f27716879f3163991a
humanhash: tennis-pasta-october-east
File name:SecuriteInfo.com.Win32.PWSX-gen.25302.2989
Download: download sample
Signature Formbook
Create hunting rule
File size:712'192 bytes
First seen:2023-11-29 04:17:00 UTC
Last seen:2023-11-29 05:16:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:g9copox4t0ILzyd6n5wlMkGZ5jyuMvlfKTHVha6M9Xs38Ecy7LozBOo5:jeh0Do5wiP3uBJ8S9Wt+B
TLSH T1C7E4124D62CCC25AEC785BBA5879C8B2E332BE16243AE74F2AE11DD77A673404540F13
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 20c89c88e63c4c12 (13 x AgentTesla, 11 x Formbook, 7 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
319
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/461099/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.25302.2989.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
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/f925810c89fa8a74336dd667fd0b57e3caf827a0976647a20d655351252b91cd
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/386584bc-be06-4550-a7b9-e24d9a34bb0f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1349694
Signature
.NET source code contains potential unpacker
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 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/f925810c89fa8a74336dd667fd0b57e3caf827a0976647a20d655351252b91cd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f925810c89fa8a74336dd667fd0b57e3caf827a0976647a20d655351252b91cd/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-11-29 04:18:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
12 of 23 (52.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7esycdej7kfhim3n2zt72c2x4pfpqj5as5tepiqnmvjvcjjlshgq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/231129-ewdbaaec78/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
96adebe2d3724b09c5f8d594729bbf9b084d9b6dff3398c5e1c7d79d0ca642e3
MD5 hash:
66177a12d0bc968626c1716133a08e46
SHA1 hash:
df395156d246854650801b46607b4a1b2ba47721
Link:
https://www.unpac.me/results/0c785aa0-0158-40e2-a585-b32600877300/
SH256 hash:
a0f01eaf0772e8a22deec7deaffe23c78790261a8e917005e7796e12f4b89b6d
MD5 hash:
2d194f56ed6fd1e15d977f873b63df83
SHA1 hash:
adf44b215e43477d8e70b942c528a83df3837c7b
Link:
https://www.unpac.me/results/0c785aa0-0158-40e2-a585-b32600877300/
SH256 hash:
51674486612e300fde800d8b11e5c3a4d3d2d164d903dcd64bcc42226b05c81a
MD5 hash:
ef1f42e650562f4ee6a1fecec8181997
SHA1 hash:
f36f5bae4eb74636233ea23fbaa6b97085140bfa
Link:
https://www.unpac.me/results/0c785aa0-0158-40e2-a585-b32600877300/
SH256 hash:
dc2a31ebcef7e1b02ef0b2237da0e126dfebaa6a6336f829c0194b89793e239b
MD5 hash:
3d9dd0ed4f6deb6ad320d84fa5a40542
SHA1 hash:
f2daf79f4bfd1118856e13e1487c99259415d39e
Link:
https://www.unpac.me/results/0c785aa0-0158-40e2-a585-b32600877300/
SH256 hash:
d231116890fddf0702745fd614d0628f6a0d82b636a3e60fea9a06320139a802
MD5 hash:
960d20707a897c4dc41b17fd1adb778e
SHA1 hash:
80cec1718b83223abdf38b8818c306348e93ebce
Link:
https://www.unpac.me/results/0c785aa0-0158-40e2-a585-b32600877300/
SH256 hash:
f925810c89fa8a74336dd667fd0b57e3caf827a0976647a20d655351252b91cd
MD5 hash:
fbc73a73884b22f27716879f3163991a
SHA1 hash:
05e4515f67aed1fbd774c6ad5d2cbfcd94a2e4ad
Link:
https://www.unpac.me/results/0c785aa0-0158-40e2-a585-b32600877300/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/f925810c89fa8a74336dd667fd0b57e3caf827a0976647a20d655351252b91cd

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/461099/

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