MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0d83906aa1c84a83028cd12f8ef9582a260f94e56c4254cb35735b98d7266b8e. 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: 0d83906aa1c84a83028cd12f8ef9582a260f94e56c4254cb35735b98d7266b8e
SHA3-384 hash: cb9cdfb7b198ff00c4c8857b1df0b0034d3498c25d3268a985f45aaa87e52e06849708ef956652449d18bce206d0153a
SHA1 hash: 9a77128d6f5ac2f0e4c1332524fd4fb58e37bffe
MD5 hash: f193a2bb2a1d4ffb32213fbdcf60021c
humanhash: steak-lake-utah-monkey
File name:Tax payment invoice - Wed, November 10, 2021,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:654'848 bytes
First seen:2021-11-10 03:27:05 UTC
Last seen:2021-11-10 13:18:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:rCa7SRgtD003tQn5kX9OB39vEgyaxMuCSB5OZzBC4KEz5:rCa7SmC0C5G9SEgTS/SB5YhKE
Threatray 11'062 similar samples on MalwareBazaar
TLSH T1ECD4B0B0B274C9DFE86542B59C9AF46021A2AD5D9461C61E35D33B2FB9B3303106BB4F
File icon (PE):PE icon
dhash icon 79e0c4ccccc4c4c0 (11 x Loki, 4 x AgentTesla, 3 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/204586/
Detection(s):
SecuriteInfo.com.Variant.Strictor.62182.22967.12711.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618b3c44dec3347825a0e592/reports/037474f2-eefa-4a1f-963f-8bb059b58977/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/20610c37-c156-4344-b826-14fb61047a09
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/886436
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 signatures2 2 Behavior Graph ID: 518906 Sample: Tax payment invoice - Wed, ... Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 11 other signatures 2->41 10 Tax payment invoice - Wed, November 10, 2021,pdf.exe 3 2->10         started        process3 signatures4 55 Injects a PE file into a foreign processes 10->55 13 Tax payment invoice - Wed, November 10, 2021,pdf.exe 10->13         started        16 Tax payment invoice - Wed, November 10, 2021,pdf.exe 10->16         started        process5 signatures6 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 18 explorer.exe 13->18 injected process7 dnsIp8 29 www.tikfindz.com 185.151.30.138, 49818, 49829, 80 TWENTYIGB United Kingdom 18->29 31 www.lasikeyesurgerysclinicusa.com 185.53.179.90, 49819, 49830, 80 TEAMINTERNET-ASDE Germany 18->31 33 27 other IPs or domains 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 45 Performs DNS queries to domains with low reputation 18->45 22 rundll32.exe 18->22         started        signatures9 process10 signatures11 47 Self deletion via cmd delete 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0d83906aa1c84a83028cd12f8ef9582a260f94e56c4254cb35735b98d7266b8e/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-10 03:28:05 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bwbza2vbzbfigaum2exy56kyfita7fhfnrbfjszvonnzrvzgnoha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2eb844b531f53a22bd20a919fda7cb483283c2e0cfc9968bca6b0c8792be580c
Formbook
2fc82f206abb0d6d6b4d7a916be93b408ab78f848531917b3968b066a5a31023
Formbook
326a1e669385d8e241375e9eca9f915440f1d0d3f803e6d1648f30102cbedaa6
Formbook
7a2c677533d0dfa9104ae8ff221f1933651349669fef6f26c957cb28199a96d6
Formbook
82adc1ae5adcf8277a595f34021ff3724d380c87a2b03477ef7aa7504b2c6b77
Formbook
88c841869430e07bb9b80e52d61d4f013c6bd8753b06807b411a428f09669c33
Formbook
973489958412d5278a51536aac60517969126519f59677ec9b2917c727ac832a
Formbook
9f32e72b1695726ee2c6d97c59fde0253f9193ae389efa65ce98869198419702
Formbook
+ 11'052 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:e3rs loader rat suricata
Link:
https://tria.ge/reports/211110-d1b4caddbr/
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.0l0.xyz/e3rs/
Unpacked files
SH256 hash:
a928ca4ee461217a58624aaa31afe014a554803e8f61b48efdf1fb3eeaf987b5
MD5 hash:
40a919e7c079a47e5b5f325dfa022625
SHA1 hash:
09d8acf001a7b0766174176e3e0354596a87db83
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6bcdf622-0fd8-4e8f-a04b-5320aa6bd6f8/
Parent samples :
973489958412d5278a51536aac60517969126519f59677ec9b2917c727ac832a
9f32e72b1695726ee2c6d97c59fde0253f9193ae389efa65ce98869198419702
7a2c677533d0dfa9104ae8ff221f1933651349669fef6f26c957cb28199a96d6
8961eafe8e136e299046820cd363da1f0e0b03fda556451d274a30b09b023566
82adc1ae5adcf8277a595f34021ff3724d380c87a2b03477ef7aa7504b2c6b77
0d83906aa1c84a83028cd12f8ef9582a260f94e56c4254cb35735b98d7266b8e
514772a7cf47826f748fcb6afe32458e89f1c9405162870eb208f7f54038d19d
73074d31d76508707823817fd9a27010fb5f049ff255f991d034bd4bcf917d2e
3a7fe0cd38363beb6d54fc505feaef515c7dccd8d33c17b18a16c212f97b3d6a
dfd40ed997b5ef2325ed495729f5b24e599712f733b8954596e626315df1e392
SH256 hash:
55788fb0ac4ed57ac2a515721e2663d417ecdb864f97207b29e04a279563f691
MD5 hash:
7b9b3718aaa106c1ebcc99fc69d8078c
SHA1 hash:
bf74b490481808c5fcae7faed3f208e08388709b
Link:
https://www.unpac.me/results/6bcdf622-0fd8-4e8f-a04b-5320aa6bd6f8/
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/6bcdf622-0fd8-4e8f-a04b-5320aa6bd6f8/
SH256 hash:
0d83906aa1c84a83028cd12f8ef9582a260f94e56c4254cb35735b98d7266b8e
MD5 hash:
f193a2bb2a1d4ffb32213fbdcf60021c
SHA1 hash:
9a77128d6f5ac2f0e4c1332524fd4fb58e37bffe
Link:
https://www.unpac.me/results/6bcdf622-0fd8-4e8f-a04b-5320aa6bd6f8/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/0d83906aa1c8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/0d83906aa1c84a83028cd12f8ef9582a260f94e56c4254cb35735b98d7266b8e

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.

Malspam

Formbook

Executable exe 0d83906aa1c84a83028cd12f8ef9582a260f94e56c4254cb35735b98d7266b8e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/204586/

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