MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21705e60252a8017884711a79b4a2542d768515ca102c4e035dd0374ffea512e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21705e60252a8017884711a79b4a2542d768515ca102c4e035dd0374ffea512e
SHA3-384 hash: 64ac008f7d59dd3ed1bdbc5bdf530d55d73a63e030707205f676b14cbbe86a6b06e7e04afc5ce7db5e5612b8039a961d
SHA1 hash: 55d169cc73d177491175781e6ed2c246f45063fa
MD5 hash: 3c9673f778ebcbb415fd7ee26e38d9cc
humanhash: winter-south-double-william
File name:SecuriteInfo.com.Trojan.PackedNET.1449.22150.14623
Download: download sample
Signature Formbook
Create hunting rule
File size:761'856 bytes
First seen:2022-07-17 10:33:10 UTC
Last seen:Never
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:eh7RIN4WhKr65zXpX343PkcIB7W+yVOZeUVuz3U+fVVHnguP8E:UFrWEr659Y3ccIBBkDsk1nHgA
Threatray 14'073 similar samples on MalwareBazaar
TLSH T104F4331117749936C6BD47B30746F9F086AD12D85542AA32508FBFBAFBA77048BA0FC1
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
321
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/291338/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1449.22150.14623.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Gathering data
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/afa432f0-e3e6-4afa-9969-a4cfb94d623d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1034649
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Potentially malicious time measurement code found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/21705e60252a8017884711a79b4a2542d768515ca102c4e035dd0374ffea512e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-07-17 09:13:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
24 of 41 (58.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=efyf4ybffkabpcchcgtzwsrfillwquk4uebmjybv3ubxj77kkexa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0df2de5afd0cf3df1240846e3d6d16d189673137a08364cd3d6ae962692bf167
Formbook
19853a52c8f1cafee958513eb498e93ffafc72891b87aa68816781018da0d1b9
Formbook
2990e8d7b0703017f2e13c7e360eb8300977e071e37ea87bc1d9f6b5ec12ff70
Formbook
46ffe35598b3c2489b6b2830ac9afe19385161fd055b59863460ea073e562ad3
Formbook
5feb9c60d2bce546754b23e4c82ad0fc3e507c32c3068a103aa5af5b848c94e0
Formbook
8bb90aeed90e027c6bc4323b3509c5833e6b85eed59914e7c243549f8393d833
Formbook
8d3705b3e2f5235b90628ca4e92e40062fe407e4b8e035f9f1c67e8a33f72ac2
Formbook
a6c9d8fdd84cae9e61caded848605b1b3da4ea05a7d20d74400053cdedf0850d
Formbook
ca113e5b764b5bd7dbcd4986d27b5248f72e77f16e9284934db0c6b9735e8d30
Formbook
ce9acc62cbd7d6ec9043b050a61eeeb66a154295ad618646e54fbb1445552ba0
Formbook
+ 14'063 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/220717-ml4dqaafal/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
b3b480b10bad0389668b95d1889befa03167f9c1836a36267f5926b6d68e6481
MD5 hash:
8d0afd85a5c99b7c01804be85b975d93
SHA1 hash:
15c87fad61f8a67c93867ca7d44862bf11c93bbe
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0b60332e-3121-4980-a3e7-89a96b60361f/
Parent samples :
21705e60252a8017884711a79b4a2542d768515ca102c4e035dd0374ffea512e
daf1d21f570270cea93b1f7238636e31aa2a5f328917e30b125f677c723bd46e
SH256 hash:
ccf784ec70eec989de7074621b83e6190436ea0f86d58d183317e307ce957dcd
MD5 hash:
e4ca0c726077bba48547eae2573c6685
SHA1 hash:
996982b4e2cdfa0ef63f68e55f7200d71be3de52
Link:
https://www.unpac.me/results/0b60332e-3121-4980-a3e7-89a96b60361f/
SH256 hash:
883b63ef84c6b1cc09687962beca56e4f4b7960df7c5459e29998befaa3ccf15
MD5 hash:
ecb3f27eb8279c51608c8ea8f8050655
SHA1 hash:
82385d75444ab5fccacf37e2746c7dce73faa7f3
Link:
https://www.unpac.me/results/0b60332e-3121-4980-a3e7-89a96b60361f/
SH256 hash:
7c4d8f8756c7ac7b1b69aeb002deeab13df5a8211688bd425041c26f6d63cf7f
MD5 hash:
63dbed2a822d9b116b57b146eb5eba89
SHA1 hash:
7327ba2e7b331deff8459080a6b785767485a203
Link:
https://www.unpac.me/results/0b60332e-3121-4980-a3e7-89a96b60361f/
SH256 hash:
07a669badf12ee362884eca88c04ff18b102b9cf7b59653807fc451ad4e7b8fe
MD5 hash:
f6df51f6176af38265fd8933b3f473a7
SHA1 hash:
2c7549beab772727065d025417e42ad6840294b9
Link:
https://www.unpac.me/results/0b60332e-3121-4980-a3e7-89a96b60361f/
SH256 hash:
21705e60252a8017884711a79b4a2542d768515ca102c4e035dd0374ffea512e
MD5 hash:
3c9673f778ebcbb415fd7ee26e38d9cc
SHA1 hash:
55d169cc73d177491175781e6ed2c246f45063fa
Link:
https://www.unpac.me/results/0b60332e-3121-4980-a3e7-89a96b60361f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21705e60252a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/21705e60252a8017884711a79b4a2542d768515ca102c4e035dd0374ffea512e

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/291338/

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