MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4e43b6641b448354a2e4b03031ede2cec29a376237416130baa2fde09bed4d0. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4e43b6641b448354a2e4b03031ede2cec29a376237416130baa2fde09bed4d0
SHA3-384 hash: cbb58374beb5572d0bb5fa1f6147899f04f9953fdc8f47f1713d14b9bfdb5ef1a04d3a44aca121c80d9f7e2c77a14489
SHA1 hash: 07d6eca77fa72951329511d7c08aa6062996b05c
MD5 hash: 3dd72b1d7be0e074da7c1e87d3d42b37
humanhash: sierra-seventeen-fanta-twenty
File name:SecuriteInfo.com.W32.AIDetectNet.01.12468.12023
Download: download sample
Signature FormBook
Create hunting rule
File size:676'352 bytes
First seen:2022-06-22 15:57:16 UTC
Last seen:2022-06-22 22:38:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:0DZMzJWQFe1cSuOXpBJtc6IMGgrTjuPycgXrbgDhaVbejfpWIxVy:pJFeGSzXpBM3M/TML0FOfpWOV
Threatray 14'966 similar samples on MalwareBazaar
TLSH T124E40212F7E41AA6C56257F82C32C5102377BB5A587CDB0C28BEB4CE5476BC28252F97
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
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 :
4
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/282373/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.19948.511.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b33c1b78c72835188a6073/reports/650615b9-219a-488d-b092-0ea7ec98aef6/overview
Result
Verdict:
UNKNOWN
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/9e57af3d-d5fe-4866-826d-9d58ecf60326
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1018077
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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/f4e43b6641b448354a2e4b03031ede2cec29a376237416130baa2fde09bed4d0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-22 15:00:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6tsdwzsbwredksrojmbqghw6ftwcti3wen2bmeylvix54cn62tia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0a874620c8336c25f8959fc05e5bc16b9b201fe2eb5849963028351f655469b4
FormBook
22a97bc8516563b8d5d94ae5937f0995a2fa87bc473fa9ad4e3cd512be5d7756
FormBook
35b0d1ca273287daaadb2766c5772ef7275b4778fdd487da18d9b69f44b58032
FormBook
4960b0a063c800279ba12fbee0e6cd6c4dbd9805c635f41bb178374e17082f11
FormBook
591874c05f745cf6f02c3ab1d420f9edffbda8ca2c967b0d8cbad21a10f3fd09
FormBook
5db721b707413a375c8804a1df44fc36a679bf059679a05d4deb3e99d81880b5
FormBook
e878ff52529b4b2b20e8a0d92d5142e59547e02d59d389c4b80ec7e97ba4e95f
FormBook
eaaac6aaed3693a3b985b49faf8af5ff9df1b1761cba58a10b5e5ce8fcc6ba81
FormBook
ec6260e2fa3a7b5c332df32c1c44b13533a481d04add67596e632dc8898464c2
FormBook
+ 14'956 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:as47 rat spyware stealer trojan
Link:
https://tria.ge/reports/220622-teg1gahfej/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
caee513ab57d707926e4c561308473e3211266942806b32147e0a4a532e79607
MD5 hash:
f66d748ba3d7924d4d3ebb2a71ffb57a
SHA1 hash:
1a11dbb78bfe202a949a0ecdeb8b84edd5e0924d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/50cfec7a-5876-4c40-a323-626b0757bd0d/
Parent samples :
92c0dab7378aff525a5f9cf174a4ac735eac8aeb416b0aca927936f84e3c7d7c
8177e5c3a4e3cc4c471e834c36ff00f7374fee8372dfc2e56b6a71fce5a3ab0f
35b0d1ca273287daaadb2766c5772ef7275b4778fdd487da18d9b69f44b58032
f4e43b6641b448354a2e4b03031ede2cec29a376237416130baa2fde09bed4d0
721d53e22cb1e78b45457e525184637a5b3dde940689dbc25d7489b24d88c325
26016e9aa9599971b46f615444f0cef3e1a56fe92fa2cbe49c4d14ac05822b13
78fdca14f99e25685ccef65e154f5c747430a955c399adb72d32cd0e364a4780
daf4c0820c45f6be84cf248504e10bfee063ea6fc8de3b397adaa6682e4bb610
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/50cfec7a-5876-4c40-a323-626b0757bd0d/
SH256 hash:
f554cbc8a84e866c3a6d7066d6e3acc11b065ea715f53c5324f1b9f5f08cf74d
MD5 hash:
fd3d27fcd476d8f27aff2b15a0046bc4
SHA1 hash:
6cda0ec7f6aeed97c99543d20d9f2aae28505697
Link:
https://www.unpac.me/results/50cfec7a-5876-4c40-a323-626b0757bd0d/
SH256 hash:
d18dbcd368dd5b6ddadbd2d788b0dfd2f5dc9b5fc3c328cb27c8bff66850d65f
MD5 hash:
5c49ee1cde90228d6c0d27065939f4a3
SHA1 hash:
3e84d3eb94ac22680512dbdedc9547785bdf0d5e
Link:
https://www.unpac.me/results/50cfec7a-5876-4c40-a323-626b0757bd0d/
SH256 hash:
880c9ff80de33cde042ab26d75677dab18fdc7695908d615c44efa8b5d8e088a
MD5 hash:
07e1e5baea35d75e784cce3b991a5fdc
SHA1 hash:
2f5cd9ad4acec13ddb49f9d69093f9fe475342c2
Link:
https://www.unpac.me/results/50cfec7a-5876-4c40-a323-626b0757bd0d/
SH256 hash:
f4e43b6641b448354a2e4b03031ede2cec29a376237416130baa2fde09bed4d0
MD5 hash:
3dd72b1d7be0e074da7c1e87d3d42b37
SHA1 hash:
07d6eca77fa72951329511d7c08aa6062996b05c
Link:
https://www.unpac.me/results/50cfec7a-5876-4c40-a323-626b0757bd0d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f4e43b6641b4/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/f4e43b6641b448354a2e4b03031ede2cec29a376237416130baa2fde09bed4d0

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/282373/

Comments