MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8424f811a5052af7c4a0b10d304ce8605df3b515af81fb6e1ffdf87ba51b840c. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 8424f811a5052af7c4a0b10d304ce8605df3b515af81fb6e1ffdf87ba51b840c
SHA3-384 hash: e37b98b0724ee542d951b0657867d81a8b6c1fb39e28d6ba85470f403fb6955bc665190c6b39f2983f667a9ec2dc690e
SHA1 hash: d95a33532eadbbc2e2c0440fe5d4b15af5f5d864
MD5 hash: 6be26135a305f1bb4f02c051c3ba0305
humanhash: don-connecticut-quebec-grey
File name:Purchase. Order & Contract (A-4553).exe
Download: download sample
Signature Formbook
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File size:1'059'840 bytes
First seen:2022-09-06 00:09:00 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 24576:AZ5vZYQmzo3pvJV9g8cbF/XYNnu7UIyY1gM:y5xLmzaxYFhXYdu7UIyY1gM
TLSH T1F835124EA0587623F8BC0BB551F0F24643B9AF16B1F1E3C54CDAE2F811CA7B65206997
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
328
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Purchase. Order & Contract (A-4553).exe
Verdict:
Malicious activity
Analysis date:
2022-09-06 00:10:20 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/8a680288-538a-4940-81b8-86f14884d905

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/308004/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1427-2.UNOFFICIAL
Create hunting rule

Sanesecurity.Rogue.0hr.20220903-1938.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
formbook packed remcos
Link:
https://www.filescan.io/uploads/63168fb97ab07f2f4ec708f3/reports/f4c83b67-9f03-449d-944f-2a655d318f7a/overview
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/59a645a7-d5c8-4e6b-9f27-8b615ea149a8
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1065318
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 697844 Sample: Purchase. Order & Contract ... Startdate: 06/09/2022 Architecture: WINDOWS Score: 100 31 www.metrumherma.xyz 2->31 33 www.ardainfisi.com 2->33 37 Snort IDS alert for network traffic 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 10 other signatures 2->43 9 Purchase. Order & Contract (A-4553).exe 3 2->9         started        signatures3 process4 file5 23 Purchase. Order & ...ct (A-4553).exe.log, ASCII 9->23 dropped 53 Injects a PE file into a foreign processes 9->53 13 Purchase. Order & Contract (A-4553).exe 9->13         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.190bautistaway.com 162.209.66.24, 49764, 49765, 80 RMH-14US United States 16->25 27 www.b-c-s.org 217.160.0.91, 49762, 80 ONEANDONE-ASBrauerstrasse48DE Germany 16->27 29 3 other IPs or domains 16->29 35 System process connects to network (likely due to code injection or exploit) 16->35 20 mstsc.exe 13 16->20         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47 49 Deletes itself after installation 20->49 51 2 other signatures 20->51
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8424f811a5052af7c4a0b10d304ce8605df3b515af81fb6e1ffdf87ba51b840c/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-09-03 13:02:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
28 of 39 (71.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qqspqenfauvpprfawegtathimbo7hnivv6a7w3q77x4hxji3qqga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220906-afg73shbem/
Behaviour
Enumerates system info in registry
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
Unpacked files
SH256 hash:
42959705d3edcc7246270373b2301b69db7081504d7ffa59eff02d5c2d5943d2
MD5 hash:
534cbdd6b24205611b8414fba89e87ab
SHA1 hash:
db99d0f8be6f9f2ccb4c869467a24a4b53477855
Detections:
win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f01eab83-6440-415b-9aa5-9b1780c6aa1a/
Parent samples :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 hash:
c45a3dae97e5e635a567df02635fe941af384f35cc993d4e52a57fa4f4026b3e
MD5 hash:
966c65a2893f62df72494272d810448f
SHA1 hash:
de82f765123b6ed954996603b663e9bac36acfb6
Link:
https://www.unpac.me/results/f01eab83-6440-415b-9aa5-9b1780c6aa1a/
SH256 hash:
ca9cbae061509888e967ed89294b287034f292b47480da75b19b87ba04f002d4
MD5 hash:
e9d2d491f9a9189be179011451d006ca
SHA1 hash:
c1ea263f8906efbfe1abd69297c2beb84beb8024
Link:
https://www.unpac.me/results/f01eab83-6440-415b-9aa5-9b1780c6aa1a/
SH256 hash:
0d98269a155da0d58465caaa9db6e7d6e7bd2849f3b813b7e875d60da33bc4f2
MD5 hash:
03191c300ff9e4ec6f2c580db9a842b8
SHA1 hash:
7a115fe003b0bc198f265256ada74060eff27ea8
Link:
https://www.unpac.me/results/f01eab83-6440-415b-9aa5-9b1780c6aa1a/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/f01eab83-6440-415b-9aa5-9b1780c6aa1a/
SH256 hash:
8424f811a5052af7c4a0b10d304ce8605df3b515af81fb6e1ffdf87ba51b840c
MD5 hash:
6be26135a305f1bb4f02c051c3ba0305
SHA1 hash:
d95a33532eadbbc2e2c0440fe5d4b15af5f5d864
Link:
https://www.unpac.me/results/f01eab83-6440-415b-9aa5-9b1780c6aa1a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/8424f811a5052af7c4a0b10d304ce8605df3b515af81fb6e1ffdf87ba51b840c

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.

Malspam

Formbook

Executable exe 8424f811a5052af7c4a0b10d304ce8605df3b515af81fb6e1ffdf87ba51b840c

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/308004/

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