MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12943fc8f2a6c50269500379f4bd7c1e9eff514178699dcc90b0447f1bf4d75b. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12943fc8f2a6c50269500379f4bd7c1e9eff514178699dcc90b0447f1bf4d75b
SHA3-384 hash: e41d72de32dc40600a6f5510f4a4ddaf410adb8bcd349e2638b72e867a30ca4f89a0a3ae4279316bcc3866f33a6870d5
SHA1 hash: 2446d2fff20385628ae1f1ce1dd1bb189f91e6e4
MD5 hash: 44e26b676a30b177456df992c58e54d3
humanhash: twelve-item-delaware-leopard
File name:ADOC RFQ-WCMS-1800865.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:52'224 bytes
First seen:2022-05-09 08:28:43 UTC
Last seen:2022-05-09 08:28:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:axPLAf7dVSOYfCc4GGUAxlmMwCK/3deVDek:qLgDSOSgvUA630VDek
Threatray 1'357 similar samples on MalwareBazaar
TLSH T1AE33171A789A9619C6D4BFFC99F090962672BCE10524C18FA8F97F19AD33323CCC521D
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)
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter cocaman
Tags:exe FormBook RFQ


Avatar
cocaman
Malicious email (T1566.001)
From: "Safdar Hashmi <info@adoc.ae>" (likely spoofed)
Received: "from [172.93.184.57] (unknown [172.93.184.57]) "
Date: "9 May 2022 09:21:34 +0200"
Subject: "ADOC RFQ-WCMS-1800865"
Attachment: "BOQ 2022-05-09.exe"

Intelligence

File Origin
# of uploads :
2
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ADOC RFQ-WCMS-1800865.exe
Verdict:
Suspicious activity
Analysis date:
2022-05-09 08:43:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3904c912-c487-437c-8fd4-76c1f40c7a63

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6278d0d2bd5c76586e24146c/reports/98bb2653-c704-4d1e-a56f-adb63b67169d/overview
Result
Verdict:
SUSPICIOUS
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/50ee37c5-bcc5-455e-a6e9-7179487a0307
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990044
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 622542 Sample: ADOC RFQ-WCMS-1800865.exe Startdate: 09/05/2022 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 8 other signatures 2->43 10 ADOC RFQ-WCMS-1800865.exe 15 4 2->10         started        process3 dnsIp4 35 cdn.discordapp.com 162.159.134.233, 443, 49731 CLOUDFLARENETUS United States 10->35 33 C:\Users\...\ADOC RFQ-WCMS-1800865.exe.log, ASCII 10->33 dropped 49 Injects a PE file into a foreign processes 10->49 15 ADOC RFQ-WCMS-1800865.exe 10->15         started        18 cmd.exe 1 10->18         started        file5 signatures6 process7 signatures8 51 Modifies the context of a thread in another process (thread injection) 15->51 53 Maps a DLL or memory area into another process 15->53 55 Sample uses process hollowing technique 15->55 57 Queues an APC in another process (thread injection) 15->57 20 explorer.exe 15->20 injected 22 conhost.exe 18->22         started        24 timeout.exe 1 18->24         started        process9 process10 26 cscript.exe 20->26         started        signatures11 45 Self deletion via cmd delete 26->45 47 Tries to detect virtualization through RDTSC time measurements 26->47 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12943fc8f2a6c50269500379f4bd7c1e9eff514178699dcc90b0447f1bf4d75b/
Threat name:
ByteCode-MSIL.Trojan.XLoader
Create hunting rule
Status:
Malicious
First seen:
2022-05-09 06:50:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 41 (48.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ckkd7shsu3cqe2kqan47jpl4d2pp6ukbpbuz3teqwbch6g7u25nq._file
Verdict:
malicious
Similar samples:
3664c59f198b6e3ec2bc254b9758fe20046b4cddd0a35f3e9c8fbf631c5a8a50
Formbook
37e3a3e4a0b161fbfd16602bb993ceeb34a7f25f2fc6d36459cc35afbff92363
Formbook
604cfa1c1f0957f81456dca9dc28be711eacdb2b64ec0023b8dad52e9627ff00
Formbook
791b2bf682699cf97e3925dee40ddd5c2cb728e80f798225a7fb0b713c1b1544
Formbook
eedd8e36fccdd66ba60d50f2c187b6600550332a3d377338f3641eb8cff7f1e3
Formbook
f366cb892570b264ce73bd7c818ee214f0e5f00dc008a4dac5fa5cdc095ddab7
Formbook
+ 1'347 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:fk84 loader rat suricata
Link:
https://tria.ge/reports/220509-kdkwascgg3/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
12943fc8f2a6c50269500379f4bd7c1e9eff514178699dcc90b0447f1bf4d75b
MD5 hash:
44e26b676a30b177456df992c58e54d3
SHA1 hash:
2446d2fff20385628ae1f1ce1dd1bb189f91e6e4
Link:
https://www.unpac.me/results/7f926cf6-13cf-4027-8d3b-a5aa325f8f0e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/12943fc8f2a6c50269500379f4bd7c1e9eff514178699dcc90b0447f1bf4d75b

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

Formbook

zip be6bbf6ffbea93e6176181235db4540909a6a02c985b21a633c01a19617f04fa

Formbook

Executable exe 12943fc8f2a6c50269500379f4bd7c1e9eff514178699dcc90b0447f1bf4d75b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 be6bbf6ffbea93e6176181235db4540909a6a02c985b21a633c01a19617f04fa
  
Dropped by
MD5 6622ea3299728065221dfd7e18105248

Comments