MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f1caafd98e2c01b9860eb21ba2fa1b31cfd33bf29fa25a1ea5fc97f4a7ed90c. 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 3 File information Comments
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SHA256 hash: 0f1caafd98e2c01b9860eb21ba2fa1b31cfd33bf29fa25a1ea5fc97f4a7ed90c
SHA3-384 hash: 642e8cb5ce0c095385d74eab3cc4b7328a2339c23bbeead3d329b1f589952fa471da47237aa0277128d252c814bf3328
SHA1 hash: 51a89dab1f48ce52fbc6672f2e86e77f7f1915ab
MD5 hash: 51751ccca1d67f4fab930e3d1d98301e
humanhash: uncle-quebec-edward-twelve
File name:Paurchase Order-.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:709'632 bytes
First seen:2021-08-06 05:14:36 UTC
Last seen:2021-08-06 06:18:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:lGL22uI/EpUF1iJoEfXet//uQvXcK9ji1OQK4H:lGL22uy2UFCfut/GQvT96oY
Threatray 7'458 similar samples on MalwareBazaar
TLSH T1FFE4AE2A25E04907E57CCD3C1991A26AF178EF82B4CDD687ECC73C47D639B8615806BE
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Paurchase Order-.exe
Verdict:
Malicious activity
Analysis date:
2021-08-06 05:16:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bd5d645a-7446-4f6e-a200-fd580897f37f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/176867/
Detection(s):
SecuriteInfo.com.Variant.Bulz.591797.24573.5434.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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:
Malicious Packer
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/66a33dd9-9243-435c-8193-f2d3784b16e4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/828054
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
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: 460482 Sample: Paurchase Order-.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 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 10 other signatures 2->39 10 Paurchase Order-.exe 3 2->10         started        process3 signatures4 49 Injects a PE file into a foreign processes 10->49 13 Paurchase Order-.exe 10->13         started        16 Paurchase Order-.exe 10->16         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 18 explorer.exe 13->18 injected process7 dnsIp8 29 clicandclic.com 45.121.213.25, 49761, 80 TELECOM-HKHongKongTelecomGlobalDataCentreHK China 18->29 31 www.clicandclic.com 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 cmstp.exe 18->22         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 22->43 45 Maps a DLL or memory area into another process 22->45 47 Tries to detect virtualization through RDTSC time measurements 22->47 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/0f1caafd98e2c01b9860eb21ba2fa1b31cfd33bf29fa25a1ea5fc97f4a7ed90c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-06 05:15:09 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=b4okv7my4labxgda5mq3ul5bwmop2m57fh5clipkl7ex6st63ega._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02c3598e5f583ac0f0aa5d5c666095d1ab1cd02ebf8d23ad7db61f00da7b793a
Formbook
09f19a43e9a0b736e9fcd33359267340b91a2ccc376c8cda72fac9754c1493c0
Formbook
4ce1f9a687727f9368f45a6f985a208e545d07b7aeaf39ecc02f61e5c1062171
Formbook
720ffc99aa96c665aae27db46f776476c37ca113db207790579adfd81c73ad05
Formbook
74038c5bbdbded24e577d6c081d88febe59735546d902323a310e2e9d3f66677
Formbook
90d238a1c183586c60ffb6c1fb4786950483080240feca7fbf6d99ab98c64a6b
Formbook
a2e99d0aabd8f0ad83b885eccf313563526a58b2da435bf34dad29294c712efe
Formbook
b506bb786b2b45d252f9886ad94e63cb60b60544dade0680b096f80c84cada7a
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
d4c16c1a6aff7397ae843c9be4450185d6d6ebe8e5fbc544a5b355fb41b2a49d
Formbook
+ 7'448 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:hddg rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210806-xhfhfvjpns/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.huahui896.com/hddg/
Unpacked files
SH256 hash:
1689042d2dc5c0a8d3d4b1a520116f7dadbe2a10b2ab38881e74f39c756d6640
MD5 hash:
e1ef7fd51735a701c50f4ee5c78126c7
SHA1 hash:
3e960b0ef0cd7ca8b534ae42f4e727b706d0a69e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c0ebdb63-f830-47fd-9fbd-2a66b50bbc45/
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/c0ebdb63-f830-47fd-9fbd-2a66b50bbc45/
SH256 hash:
765861b8b8beffcc6b707a9f8419ffd37c33c0759716a98b5b3c036bca81c8cc
MD5 hash:
463032f704e3af5b397a49f386a2cc8f
SHA1 hash:
4c867e84eb9494ed1e19c153ff44403915589451
Link:
https://www.unpac.me/results/c0ebdb63-f830-47fd-9fbd-2a66b50bbc45/
SH256 hash:
0f1caafd98e2c01b9860eb21ba2fa1b31cfd33bf29fa25a1ea5fc97f4a7ed90c
MD5 hash:
51751ccca1d67f4fab930e3d1d98301e
SHA1 hash:
51a89dab1f48ce52fbc6672f2e86e77f7f1915ab
Link:
https://www.unpac.me/results/c0ebdb63-f830-47fd-9fbd-2a66b50bbc45/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/0f1caafd98e2c01b9860eb21ba2fa1b31cfd33bf29fa25a1ea5fc97f4a7ed90c

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
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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 0f1caafd98e2c01b9860eb21ba2fa1b31cfd33bf29fa25a1ea5fc97f4a7ed90c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/176867/

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