MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f264e8bfb72842255656d3aebf39da5daa78192daf8a87950eee3d9034839b4e. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f264e8bfb72842255656d3aebf39da5daa78192daf8a87950eee3d9034839b4e
SHA3-384 hash: 912bbf0f3960d49e9918b62f610c0cc731073f7d11eb4de0a68d05be7c5bbbbdf987652d7eca382b6a3426145e3cc65f
SHA1 hash: 943962c68ac7df1f591bfbf5a24769aced4ff43c
MD5 hash: 2706e0fae1ae93ac59bef4b4c154af8a
humanhash: echo-london-speaker-dakota
File name:1tUWC226rqAjAcC.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:488'960 bytes
First seen:2020-10-20 08:05:46 UTC
Last seen:2020-10-25 19:49:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:dZW2bCsQAsnw7TiXVhC7xQBKbO9A1GKZHNYPzodDD:dZssJsw/Ug9T2A1GUKzod
Threatray 2'547 similar samples on MalwareBazaar
TLSH B8A4014061AA9B36F2BE5BF6302C052C87F2609E77A3F7485DE537EA2590B804F58D53
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: smtp119.iad3a.emailsrvr.com
Sending IP: 173.203.187.119
From: Mylakkad, Kollam <mylakkad@vlworld.com>
Subject: Purchase Order
Attachment: PO102020.rar (contains "1tUWC226rqAjAcC.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/73299/
Detection(s):
SecuriteInfo.com.Artemis2706E0FAE1AE.15594.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching cmd.exe command interpreter
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/497245
Signature
Binary contains a suspicious time stamp
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 300793 Sample: 1tUWC226rqAjAcC.exe Startdate: 20/10/2020 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 7 other signatures 2->42 10 1tUWC226rqAjAcC.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\1tUWC226rqAjAcC.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 1tUWC226rqAjAcC.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 cookbook4all.com 34.102.136.180, 49757, 80 GOOGLEUS United States 17->30 32 www.coolarmoredcars.com 23.230.103.235, 49755, 80 EGIHOSTINGUS United States 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f264e8bfb72842255656d3aebf39da5daa78192daf8a87950eee3d9034839b4e/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2020-10-20 07:02:13 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6jsorp5xfbbckvsw2oxl6oo2lwvhqgjnv6fipfio5y6zanedtnha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
718d659864d771ebadf82d8b5461d39c2bd6bd514ea2d2273d2821a23ab28ed0
Formbook
73c2d8d44daa16a7b406b82cd5201483ae40404037e7a543ad91689cbced81ad
Formbook
765c1e7486aedffd7021ae5f15c86e549c7b796a5025249781f9c8a6327f4037
Formbook
82f4ebd30b18743d8cc409de5931a978434755705af9bbfa3c6d8d0b34d30a6b
Formbook
9b9d8f51a8cf586b0380629f644676e0dce350466b06224523e01db393522339
Formbook
a998850fc7940055baac6f61dde2d0e29836c9386ac87555549eeaa1a9998401
Formbook
af61853ca27001c0721463fce68bb033a9084e9fcd0c6ced3acd7fc3ea0e957a
Formbook
b19d067a87767c377a60981192e5edb9256ce11f7d663cdcae2af3d8d0c0c382
Formbook
c611c4446e4604531e8e096508422fd01b23d26c424f9625d049e7edaf4f566a
Formbook
d085d4d4370b02036dfe9de7c9061d88a8a5cd12cbced6dbdca9ba217112375c
Formbook
+ 2'537 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201020-qw8hz5lk1j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.dktradingsystems.com/ahe/
Unpacked files
SH256 hash:
f264e8bfb72842255656d3aebf39da5daa78192daf8a87950eee3d9034839b4e
MD5 hash:
2706e0fae1ae93ac59bef4b4c154af8a
SHA1 hash:
943962c68ac7df1f591bfbf5a24769aced4ff43c
Link:
https://www.unpac.me/results/cdefe1c0-6a1c-4934-acf3-8624779aa8d1/
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
Link:
https://www.unpac.me/results/cdefe1c0-6a1c-4934-acf3-8624779aa8d1/
SH256 hash:
b1fbdc25c4109d85349d9b07e2d8bb31c063f43c13d1dba4e8685ca82b3dc355
MD5 hash:
b71bb66b12c18f835e408f7fc123cf7d
SHA1 hash:
dfb42e6ab3617c87b4a219d1f910b8c65e1b0232
Link:
https://www.unpac.me/results/cdefe1c0-6a1c-4934-acf3-8624779aa8d1/
SH256 hash:
c7aad9d69315fd12e91d3508867430fcd07de74da4f279d04d2d0ae1fb6cc7f3
MD5 hash:
786251770e25ccaa5ea2342a661e7060
SHA1 hash:
e4134ed5c59d775af53cbfeb512bf4c22ee9c2b5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/cdefe1c0-6a1c-4934-acf3-8624779aa8d1/
Parent samples :
73c2d8d44daa16a7b406b82cd5201483ae40404037e7a543ad91689cbced81ad
f264e8bfb72842255656d3aebf39da5daa78192daf8a87950eee3d9034839b4e
143848b6d47c7c571df87a7dee1892aa571b94fca0d9d60c6b7a2141f644950a
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/f264e8bfb72842255656d3aebf39da5daa78192daf8a87950eee3d9034839b4e

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_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

rar 2f85d66610fc3fa16f54f73e7f1c1a47cd657ac7040fc99dc72c4964ceee023e

Formbook

Executable exe f264e8bfb72842255656d3aebf39da5daa78192daf8a87950eee3d9034839b4e

(this sample)

  
Dropped by
MD5 c41ecc325712b06bc5f465079324c778
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/73299/
  
Dropped by
SHA256 2f85d66610fc3fa16f54f73e7f1c1a47cd657ac7040fc99dc72c4964ceee023e

Comments