MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb6aadc9d3b72fbf1fae12bfa282b4df1351262dd0d6d89b81ac80214a29f90c. 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: 16


Intelligence 16 IOCs YARA 16 File information Comments
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SHA256 hash: fb6aadc9d3b72fbf1fae12bfa282b4df1351262dd0d6d89b81ac80214a29f90c
SHA3-384 hash: 7900917f71244ad4480dadc154c87a869b2e680857220ec38b885406a2cd126c20673fb41be93c04b412ef546ef763d7
SHA1 hash: 6d9585446587cb77ca715687b87de3ca0b4503d8
MD5 hash: b6d7c2a3f7927818f55b3c16d755c342
humanhash: alabama-grey-aspen-bravo
File name:SecuriteInfo.com.Win32.PWSX-gen.15648.26290
Download: download sample
Signature Formbook
Create hunting rule
File size:605'184 bytes
First seen:2023-09-07 11:41:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:y5fVsbR2vxXIV0/xxq13Fr5VUUxpKyjGwpzx+kMYdAIXCzJZ:ytO2vi05gRByU4RYdL
Threatray 332 similar samples on MalwareBazaar
TLSH T1C4D4DFF82425C7E6E77857FF50A791709E27BE12617042DDB77C39880DA6AC72822C72
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)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
297
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.15648.26290
Verdict:
Suspicious activity
Analysis date:
2023-09-07 11:44:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/08738b3d-e5b5-4e47-9470-78003025949e

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/447115/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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SecuriteInfo.com.Win32.PWSX-gen.15648.26290.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64f9b70ac95366b9ef019259/reports/f3396f85-aaf3-4750-bfe6-eb1bd1c606af/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fb6aadc9d3b72fbf1fae12bfa282b4df1351262dd0d6d89b81ac80214a29f90c
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9cc9d240-c82f-45e4-8efc-bcbc625e212e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1305267
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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/fb6aadc9d3b72fbf1fae12bfa282b4df1351262dd0d6d89b81ac80214a29f90c/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-09-07 11:42:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7nvk3sotw4x36h5ock72favu34jvcjrn2dlnrg4bvsaccsrj7ega._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06c8aa9110e9c50c51464d31ef28f3cab2efdb1ca756455f99f49daada571dba
Formbook
60fe13a26cde812037097d97acc94f5ab707e86e09744fad56f07afd324401bf
Formbook
734bbe06c909b28854008cc74bfb94d4bcb19d5e9d1c58bc5e00da61f85c4cfe
Formbook
a2562e99d8118fcd1d9cd40b1811900664bb3bdd6de0caa5c1dfabd595091b66
Formbook
b17e72185e85fbcd5ec7d3fbad1352b247905d12d93341ca6502ecd1adb41258
Formbook
cac86a33653ddbd3fd4b90781b35d90ca94959583276a8bc0ded89d29b16093b
Formbook
cc0f366752ad8832bf26a387da04626c8db6f00a69d5a98ce5934d0db01c1329
Formbook
e01f586f773c36468995eabf2682dfc209824b06a8a784bfb34b7fad499bc22a
Formbook
edf6c2e805b1b232065ff74c1c2b8c8da24147c9ef17175547ec5fb905005cf1
Formbook
fb30c5b4dd6fd89355110f2196bc15e6fb5f771427e448a5e4c19cb6193c49b8
Formbook
+ 322 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:pt04 rat spyware stealer trojan
Link:
https://tria.ge/reports/230907-ntz7pshc46/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
895f2d67def4015b36d5130c8f61cd526e22a93972ab23f818b884e1ca20f0a7
MD5 hash:
6ee437abd9c142e35672a357bc4fd5cd
SHA1 hash:
55051063f0f0c9b8201b04941b7bdff88d332ca3
Link:
https://www.unpac.me/results/c3b9089e-5060-45cf-b427-e77c40eea638/
SH256 hash:
60520297a8d58b195680cdd0f6286a701f80cfa18d2bd19efbd9241042c28541
MD5 hash:
9c01b2eb6fc865276755b5e10e4fb2f9
SHA1 hash:
c38f6c6ffcf275377df0ec7cb2d15b33228b02d7
Link:
https://www.unpac.me/results/c3b9089e-5060-45cf-b427-e77c40eea638/
SH256 hash:
8d8c5c52ce5d8c82f223ff0f3fb785f47df2db2d9894ffbe024b310775c6a13f
MD5 hash:
ec7f0b58950b129054efeac2b74c201e
SHA1 hash:
55b22738572cfeb7f73415357554c74e3da96d72
Link:
https://www.unpac.me/results/c3b9089e-5060-45cf-b427-e77c40eea638/
SH256 hash:
784d4e0af30bcca58d54f86b6966e1c147bcc194a99126ebe79538e9084f6d80
MD5 hash:
5caf74e6818e40e82651781613a42425
SHA1 hash:
2a182b1552373e0907bfd03db31120596df994d0
Link:
https://www.unpac.me/results/c3b9089e-5060-45cf-b427-e77c40eea638/
SH256 hash:
fb6aadc9d3b72fbf1fae12bfa282b4df1351262dd0d6d89b81ac80214a29f90c
MD5 hash:
b6d7c2a3f7927818f55b3c16d755c342
SHA1 hash:
6d9585446587cb77ca715687b87de3ca0b4503d8
Link:
https://www.unpac.me/results/c3b9089e-5060-45cf-b427-e77c40eea638/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fb6aadc9d3b7/report/overview.html
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/fb6aadc9d3b72fbf1fae12bfa282b4df1351262dd0d6d89b81ac80214a29f90c

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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: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
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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: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/447115/

Comments