MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 482fe81656515bb2c9d01bb6d5d6497834fdc36758a069616a4c71a995c10aeb. 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: 11


Intelligence 11 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 482fe81656515bb2c9d01bb6d5d6497834fdc36758a069616a4c71a995c10aeb
SHA3-384 hash: 02790a876be443ee481081a85618453a95d3c491bcfd54c492a758203186416cff4a2e11f14c8f987b8166badaee6cef
SHA1 hash: cf6c76907cab26c512305a0ceab9818e3507b653
MD5 hash: 9be07badede26d16a938d27dbcd9b44b
humanhash: lemon-massachusetts-nitrogen-football
File name:SecuriteInfo.com.Win32.CrypterX-gen.28852.5421
Download: download sample
Signature Formbook
Create hunting rule
File size:684'032 bytes
First seen:2023-12-07 17:25:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:lhkZ53bXHo8xCRJHytW/I1oWen89rwXUDB78lLihFXj/MSgQTxeTqZW0Zq:lK/7UJSt+ICWA89EX25kLWFXjLwTq5q
TLSH T100E42301B1B8A39AEEE587F528264104A73AFE076536D24CACDAA1CF153FF44E2D1753
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 :
305
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/463336/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.CrypterX-gen.28852.5421.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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)
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6572002f18cffa73b1dd93c6/reports/d8a417be-a349-41a7-a0b5-5ac66ccea595/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/482fe81656515bb2c9d01bb6d5d6497834fdc36758a069616a4c71a995c10aeb
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/b97a94d7-42e9-46be-bf73-0dc1f3ceefac
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1355681
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
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/482fe81656515bb2c9d01bb6d5d6497834fdc36758a069616a4c71a995c10aeb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/482fe81656515bb2c9d01bb6d5d6497834fdc36758a069616a4c71a995c10aeb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-07 17:26:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jax6qfswkfn3fsoqdo3nlvsjpa2p3q3hlcqgsylkjry2tfobblvq._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/231207-vzt17sfd4w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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/befd7dde-007a-4879-b73b-eed6d12da713/
Parent samples :
33d4f40d83493428f817717c92af34b335788346735a5563e7ee515993fa8d93
8a396b8151f475d72a31a9897353e57ee18cd5ec5a4cd82d29998940ff71b3a7
1b245652f8eb90239d220881931099461279d671ad3c9f386c1c93699a9d4fc5
5e8b9a3cfcbc1a19ade37e8d246f61d95caf08ce139b6280b77dea376b626ec7
482fe81656515bb2c9d01bb6d5d6497834fdc36758a069616a4c71a995c10aeb
c01f5a812c3ca378bc066a4fbd56d1ceda30f8b051eaaa4941b9af92956fc8e6
be5ea75b6b003e8d06764370ba6a89be22845dec6bcf25a6f2d50c2d478dd214
SH256 hash:
a0f01eaf0772e8a22deec7deaffe23c78790261a8e917005e7796e12f4b89b6d
MD5 hash:
2d194f56ed6fd1e15d977f873b63df83
SHA1 hash:
adf44b215e43477d8e70b942c528a83df3837c7b
Link:
https://www.unpac.me/results/befd7dde-007a-4879-b73b-eed6d12da713/
SH256 hash:
8921d5a1926f49fa032915fc8a4245493ae0dc15d24eb39682ab7e54fac4a076
MD5 hash:
38959f3b3f89ca99f4b085034b424a6e
SHA1 hash:
e43a171e45a6366b7cd22ab51de4024cd8ce9157
Link:
https://www.unpac.me/results/befd7dde-007a-4879-b73b-eed6d12da713/
SH256 hash:
838e5000e114e29ebed5b65480a49b4438e51fa9987c6613149dd377252e272a
MD5 hash:
5120b64529a0108f59cddc8e4e3e1df8
SHA1 hash:
90acd7a847b2bbb928a8aa30423a0c314bd0f3e1
Link:
https://www.unpac.me/results/befd7dde-007a-4879-b73b-eed6d12da713/
SH256 hash:
7f879e47d6b152bc303f4da9f7fdbffe50f10748ab04a84e261126ddbd228739
MD5 hash:
b7e92dcf1f8fbdb8d72ef44b12574d39
SHA1 hash:
2faa4345128b333fd46d8ed6099568099a028352
Link:
https://www.unpac.me/results/befd7dde-007a-4879-b73b-eed6d12da713/
SH256 hash:
ab9f5c545c2b99116ee2d1e83aec8b0f14bf81f308f30fe08097c4035d080e45
MD5 hash:
6f4fbd43ccb45bc0f4b4a8e62cdd807b
SHA1 hash:
5dfd81c11ee917b6df2a9a73029eba3c1a36be37
Link:
https://www.unpac.me/results/befd7dde-007a-4879-b73b-eed6d12da713/
SH256 hash:
5810a87083e06b4580e57f27ae2a022d4d34e7977f9bbc6c194a1f7931e01ec9
MD5 hash:
4576bb24b641be3043486b6fd1fae3e1
SHA1 hash:
5d18e78934687c9d1baf3399f15d5c2f0121ed95
Link:
https://www.unpac.me/results/befd7dde-007a-4879-b73b-eed6d12da713/
SH256 hash:
05c9237613d9257a907d604847948613776ffa7734ffa7bacb28f313c65cf6a0
MD5 hash:
542fb4d22d134844224449f3d42589a3
SHA1 hash:
3cc8360ad3deef581ff0a31bedd7f37d5fc60398
Link:
https://www.unpac.me/results/befd7dde-007a-4879-b73b-eed6d12da713/
SH256 hash:
d1e2f8cbe8b7f86b56b6da9ebaeaf58ff806660c57ee26f84c2c1ae5fb7c207f
MD5 hash:
cb92db672c96ff770ff0b79c3bcf5981
SHA1 hash:
29fce7e66a9595ae0d50e5f664c188aa8df795ea
Link:
https://www.unpac.me/results/befd7dde-007a-4879-b73b-eed6d12da713/
SH256 hash:
0c1159643a83326bd5ab11bbbb5867c1f664e6cbd39f3a53ed45303f8b4327ed
MD5 hash:
bc7849b1711fcd580c0202b0a2fd032d
SHA1 hash:
1b7e20762c9d805be644680aabb346d51b8e598c
Link:
https://www.unpac.me/results/befd7dde-007a-4879-b73b-eed6d12da713/
SH256 hash:
9aa396403b5fa56bb9f0d8b25877e4e5cbd63afc6743089d147efe912c6f7e7f
MD5 hash:
15c9a1b07fb7209ff524705f3c2521b3
SHA1 hash:
113ed538ccaafe3a9cff7c1774cc48c57577b834
Link:
https://www.unpac.me/results/befd7dde-007a-4879-b73b-eed6d12da713/
SH256 hash:
482fe81656515bb2c9d01bb6d5d6497834fdc36758a069616a4c71a995c10aeb
MD5 hash:
9be07badede26d16a938d27dbcd9b44b
SHA1 hash:
cf6c76907cab26c512305a0ceab9818e3507b653
Link:
https://www.unpac.me/results/befd7dde-007a-4879-b73b-eed6d12da713/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/482fe81656515bb2c9d01bb6d5d6497834fdc36758a069616a4c71a995c10aeb

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/463336/

Comments