MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08040f352684d740d9fa767c3315fb1636394dec01f35abe84ad7116cd735fb4. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08040f352684d740d9fa767c3315fb1636394dec01f35abe84ad7116cd735fb4
SHA3-384 hash: 9ddc62eba17cc6fb78e19c129c14e6b2ec5e4267d5b03e22697b78d09a7c7156acaa9abcdbd2104902cbed3ccb66aa23
SHA1 hash: 2d82ef86265c1e490744b53de82dc9be163192a7
MD5 hash: 920e626bea0e4949daea75e2a332f481
humanhash: alaska-twelve-red-bulldog
File name:Angebot Anfrage Maschinensucher YOM.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:572'416 bytes
First seen:2021-10-12 16:17:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:EESo0nmHTrkIv/+p8OD4WnmOQVZMXfK4La/oc13:EESZmHTQIvmp/FnmOGY7LWJ
Threatray 10'348 similar samples on MalwareBazaar
TLSH T1C0C46B966113F2C8CC1C92BA1497C5D101F42B3A70348EA72AC5656B79FF3E46E9ECE1
File icon (PE):PE icon
dhash icon b464ecd0f0e8dcd0 (7 x RemcosRAT, 6 x SnakeKeylogger, 3 x AgentTesla)
Reporter abuse_ch
Tags:DEU exe FormBook geo

Intelligence

File Origin
# of uploads :
1
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Angebot Anfrage Maschinensucher YOM.exe
Verdict:
Malicious activity
Analysis date:
2021-10-12 18:28:40 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/8498cd6d-6132-4980-a12d-cd6c0c43cd41

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/196994/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

Win.Trojan.Autoit-7356348-0
Create hunting rule

Win.Packed.Pwsx-9899875-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6165b53d1c2d58ba740361fd/reports/3a3812e1-16ca-4142-9586-aaf841ce7371/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/662f15a8-fadc-425c-a46e-925e72e79e65
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/868860
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 501286 Sample: Angebot Anfrage Maschinensu... Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 25 www.uopcreative.com 2->25 33 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 7 other signatures 2->39 10 Angebot Anfrage Maschinensucher YOM.exe 3 2->10         started        signatures3 process4 process5 12 Angebot Anfrage Maschinensucher YOM.exe 10->12         started        signatures6 41 Modifies the context of a thread in another process (thread injection) 12->41 43 Maps a DLL or memory area into another process 12->43 45 Sample uses process hollowing technique 12->45 47 Queues an APC in another process (thread injection) 12->47 15 cmmon32.exe 12->15         started        18 explorer.exe 12->18 injected process7 dnsIp8 49 Self deletion via cmd delete 15->49 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 Tries to detect virtualization through RDTSC time measurements 15->55 21 cmd.exe 1 15->21         started        27 www.sapix-usa.com 173.231.37.41, 49829, 80 WEBNXUS United States 18->27 29 smartsew.online 195.110.124.133, 49815, 80 REGISTER-ASIT Italy 18->29 31 10 other IPs or domains 18->31 57 System process connects to network (likely due to code injection or exploit) 18->57 59 Performs DNS queries to domains with low reputation 18->59 signatures9 process10 process11 23 conhost.exe 21->23         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/08040f352684d740d9fa767c3315fb1636394dec01f35abe84ad7116cd735fb4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-12 16:20:42 UTC
AV detection:
25 of 40 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=baca6njgqtlubwp2oz6dgfp3cy3dstpmahzvvpuevvyrntltl62a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4bb96dffcc0b4cba1f4ee2ed04e32d724e486c88b0e8492b3e5efb1ec0928c0e
Formbook
6a545d90b499264c401c3afad3e926547f86349dfc12b9c50700afc0590cfc53
Formbook
7384a61fc69ce24610f7c4658c2ef8786c4cdc5d6ad6b33d1a9f506d6b6388d3
Formbook
a325ff051ebc1d366533e22fba4a75a4c0b183a28457ed2fea0841f68da06334
Formbook
b9b0ce10496a723998fd40bd2662d231e6135c465000d319b708736570d0bd09
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
d3c68ebad6229b1da92061291639f9b48e3f76fd4c524a9850b4fbb311e180f8
Formbook
e10fd0e47f713f77031028a2c5525477154ad2f7f6500b9679bb00e6897535d3
Formbook
+ 10'338 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:hu8c loader rat
Link:
https://tria.ge/reports/211012-trytracgd2/
Behaviour
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
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.yoruba.loan/hu8c/
Unpacked files
SH256 hash:
2cb0ef5d24e2b4c868c397797e2a85a42d69155dd6f586bae0e579e9088a5766
MD5 hash:
8e4f2e1a2a584281f54f6c9e4163222a
SHA1 hash:
bb2e5001fcab12ab70a4d7df659c8cb3ab9552e7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/51e35416-f4de-49e5-a19e-84961b3ac83f/
Parent samples :
a325ff051ebc1d366533e22fba4a75a4c0b183a28457ed2fea0841f68da06334
08040f352684d740d9fa767c3315fb1636394dec01f35abe84ad7116cd735fb4
SH256 hash:
84a0c2367bea1a686de3d8e738390ca239503fb885adae1602b0ad98f328f0a3
MD5 hash:
82167d28a209dbb6017033ad5d8249db
SHA1 hash:
938610150bcff9fd8f4e9bc8819012ad29fe5577
Link:
https://www.unpac.me/results/51e35416-f4de-49e5-a19e-84961b3ac83f/
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
Link:
https://www.unpac.me/results/51e35416-f4de-49e5-a19e-84961b3ac83f/
SH256 hash:
08040f352684d740d9fa767c3315fb1636394dec01f35abe84ad7116cd735fb4
MD5 hash:
920e626bea0e4949daea75e2a332f481
SHA1 hash:
2d82ef86265c1e490744b53de82dc9be163192a7
Link:
https://www.unpac.me/results/51e35416-f4de-49e5-a19e-84961b3ac83f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/08040f352684d740d9fa767c3315fb1636394dec01f35abe84ad7116cd735fb4

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/196994/

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