MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e4431d4a51d7fe22c1fba157abfbd47249cc0ef0abe980e099ff3002839c777. 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: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	8e4431d4a51d7fe22c1fba157abfbd47249cc0ef0abe980e099ff3002839c777
SHA3-384 hash:	049a3dd35c886a3fe9699bb6abe2e984d4a0b40ceafaa7819c5aa9e27d5e34a03017bf0fa6ab09678c89f28fd4e6d7d7
SHA1 hash:	fcb5dba895fb5a94757713a17a3ba6ac4647eeac
MD5 hash:	cd0dc289b29125cf883ebea62ac40571
humanhash:	artist-oklahoma-quebec-shade
File name:	PO C00210 009.exe
Download:	download sample
Signature	FormBook Create hunting rule
File size:	406'528 bytes
First seen:	2020-05-08 08:22:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:RxdvktTqRi4C233FzSdnO6+mg/qWdMm4iS8hwCWi9bJT:fdcJqRTkDfg/q
Threatray	5'118 similar samples on MalwareBazaar
TLSH	F7845A9C32D075EFC81BC9768EA43C64AA116476430BDE03A817159DAA0DA9BCF354FF
Reporter	abuse_ch
Tags:	exe FormBook

abuse_ch

Malspam distributing FormBook:

HELO: yisun.co
Sending IP: 111.90.159.196
From: Hester <kingunionmedical29@163.com>
Subject: RE:Confirm Order
Attachment: PO C00210 009.zip (contains "PO C00210 009.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.CIL.HeapOverride.Heur.8916.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-05-08 08:39:29 UTC

AV detection:

27 of 31 (87.10%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=rzcddvffdv76ela7xikxvp55i4sjzqhpbk7jqdqjt7zqakbzy53q._file

Verdict:

malicious

FormBook

0c6ef50f134bbd723eddc99d8f9fc78b37e7e2590ec907ce4209075677add6d9

FormBook

0d271903774ae9467d80cad6fcaec4d2ea4653b8eb4c28e0a1c7dbe0849ccd01

FormBook

223bbe1af0d09289a1ebeddf78e3218fcae28d0a69c291d66fee5fa29337844a

FormBook

5c9e82fe640647e8a6f884da87e1948da693e678c6ef642c562ad782eee824d7

FormBook

aea480ebd5777e840f0b988267554fe1d35f70238bed009231b24475fdc0b0d9

FormBook

dc0f8133b1faa0245779e8294421033ae567c11be58f5bb86eb65ad3d67bb8ae

FormBook

dda2e0d9e1057b0dd8c64979c045e2909236d3ba0669f490b077547aa0f75827

FormBook

e6ff6d164a876c50bfc4a6f7b6397914f9656d0e4aef1ceba65f1e92ed1b6c69

FormBook

f626ac44e4d6711e2b2a128fbde9bebf2a8b7c66d7161376993d3252c16dd083

FormBook

+ 5'108 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook rat spyware stealer trojan

Link:

https://tria.ge/reports/201109-7zfqk8am2j/

Behaviour

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetThreadContext

Deletes itself

Formbook Payload

Formbook

Malware Config

C2 Extraction:

http://www.glamotr.com/u2s/

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.