MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83467c9a4fc9791b973a80bf378d9a056c3fc4c0fc7545101e069b6e7bcfa7bf. 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 2 File information Comments

SHA256 hash: 83467c9a4fc9791b973a80bf378d9a056c3fc4c0fc7545101e069b6e7bcfa7bf
SHA3-384 hash: 569860f6ea166d61d224ab5a2261488a18447d874a671cb2689532f7ec7fbd1af913d878eaf8634e2579e78bc5933f27
SHA1 hash: 91a9f3077b9f2f816f52aab47d157526fdbdf4ba
MD5 hash: bdf960a66ac6f43852f041629400c27c
humanhash: sink-quiet-minnesota-failed
File name:103_FT22195J8MKV_0461571799.exe
Download: download sample
Signature Formbook
File size:1'081'344 bytes
First seen:2022-10-22 10:36:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:H3xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxNuss238JvbZ:ITZzt0PqFdj
Threatray 16'199 similar samples on MalwareBazaar
TLSH T152356AB626D41257E42972B58193E5F322FB6E106421E1CB58C31FAFBC902BBE51734B
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)
File icon (PE):PE icon
dhash icon 1031ccc4ccccaa10 (14 x Loki, 12 x SnakeKeylogger, 11 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
103_FT22195J8MKV_0461571799.exe
Verdict:
Malicious activity
Analysis date:
2022-10-22 10:40:12 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching the process to change network settings
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-18 01:54:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:n2hm rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ce7e5e5813c6bf2d7f2542c829fc61d051224edb040de11acae51040c5e16274
MD5 hash:
f62c4b7846f4a91c89399c4176bd0afa
SHA1 hash:
ccf594b52fd14918a7dfb40882b9e52ea3c39dce
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
3cd809c186f0c699a2791d8932505f8b80cbd387c80d1dfca735add9198da2ae
MD5 hash:
211eb854ec69d832fc64bc16828d5db0
SHA1 hash:
b247e0d1d4b986b47e723994587c1ade699f8074
SH256 hash:
46ce213acb4d8e9b42e2abddb3314356f587852f902fa58d39d365747d2a908b
MD5 hash:
a1d1c7cb6a0688f6b4e13d0b85ca0afb
SHA1 hash:
e4329da581eeb7f04e6e544b4b4e4c5547cf25fa
SH256 hash:
acc307df31535b7bfcc8039b4bf26ae71567fab6f78c8fcefab496d3f8302fe2
MD5 hash:
5c52fdce79c6038ffaa2d97ec0b4fdbc
SHA1 hash:
b6c5580a9ac77fdbb38d700036b3a6f559f5605b
SH256 hash:
3745a777ad52133e9f7aa54388dca5294ade43823c8b2dd3fbf9412f4f0801f5
MD5 hash:
9f56d5210fa5c0fd393ce68ce74a97d6
SHA1 hash:
68a65d7d98ead88a57a3ac551c7bcfcac2c01bad
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
83467c9a4fc9791b973a80bf378d9a056c3fc4c0fc7545101e069b6e7bcfa7bf
MD5 hash:
bdf960a66ac6f43852f041629400c27c
SHA1 hash:
91a9f3077b9f2f816f52aab47d157526fdbdf4ba
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 83467c9a4fc9791b973a80bf378d9a056c3fc4c0fc7545101e069b6e7bcfa7bf

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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