MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 739caabaad723c9cf69c0381bffd77d7c7cf372408dc8970a073c3acdce5c355. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 739caabaad723c9cf69c0381bffd77d7c7cf372408dc8970a073c3acdce5c355
SHA3-384 hash: 5f53e6a41d92fbd6663049bbe258b132cb149a37284751b0573dd13b8b9beddbfb7553338bf35e8166bd4373a14a1ed2
SHA1 hash: ebe582ab10a3ec915d2ba251e8e1bcb285241814
MD5 hash: 46adaf09ad9e9d730647b01cac8f53e6
humanhash: magnesium-artist-early-beer
File name:Payment_invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:522'752 bytes
First seen:2021-07-23 15:35:07 UTC
Last seen:2021-08-10 12:29:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:regr8Tf9St1Eyv3Uu+3HJIaVkq/42E9HcABdGcZJzS7lRCGhmc5Us/3QUX:ryUQyv3Uu4H+aVC2CcAbGYzS7l4Ghmch
Threatray 6'739 similar samples on MalwareBazaar
TLSH T17EB4F1483290FA5FC05F8FBAD9541C24A674A46B530BE3436C8729ED884F7A9CF426D7
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment_invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-07-23 15:43:33 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/3cbc79ed-0d13-41cf-8cef-4a07b2418d9c

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/173674/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.949.16464.19679.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1848f2f8-b193-4c73-b74a-1808d500f186
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820922
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 453331 Sample: Payment_invoice.exe Startdate: 23/07/2021 Architecture: WINDOWS Score: 100 29 www.fermanchevybrandon.com 2->29 31 fermanchevybrandon.com 2->31 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 8 other signatures 2->53 10 Payment_invoice.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\...\Payment_invoice.exe.log, ASCII 10->27 dropped 55 Writes to foreign memory regions 10->55 57 Injects a PE file into a foreign processes 10->57 14 RegSvcs.exe 10->14         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 2 other signatures 14->65 17 chkdsk.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Tries to detect virtualization through RDTSC time measurements 17->43 23 cmd.exe 1 17->23         started        33 feedmysheepdaily.com 70.40.216.51, 49718, 80 UNIFIEDLAYER-AS-1US United States 20->33 35 www.lumberjackcatering.com 205.178.189.131, 49719, 80 DEFENSE-NETUS United States 20->35 37 2 other IPs or domains 20->37 45 System process connects to network (likely due to code injection or exploit) 20->45 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/739caabaad723c9cf69c0381bffd77d7c7cf372408dc8970a073c3acdce5c355/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-23 06:12:42 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oookvovnoi6jz5u4aoa377lx27d46nzebdois4faopb2zxhfynkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
17d07aff0e5f1f4ef44afbd6d7e78c9e235d40f909019429ec8b1253c7a89f41
Formbook
65a4584854c63766fd7d2cfeb5b7725ff8ae8b489d940c7b910c0909fd473947
Formbook
75f51a01e4c2c9662dfbb21c0094b8cbef4823f6919c816c04efef2e25678d76
Formbook
86b93054415c6e4c21fd68ad13fcdbbd9a300c275dfe4f768ffd2fdf42db4694
Formbook
8d27c368e6431f796a96389ac517d654ca3de20a6b9047095a47691532c7cf11
Formbook
bb9ba507dcfe191724f459ded8009edfa46481b2e244827354116f1734a52a9c
Formbook
cb8f5442f14a863b07396882d324759dd7addea4cf5142e9dd296a47b3fc2df5
Formbook
eb8c5fa3da30f5d972e7d30767099990aadce5af9e046a2765b0c64222eab118
Formbook
+ 6'729 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210723-8czp8rr6t2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.illoftapartments.com/uecu/
Unpacked files
SH256 hash:
2de6939257996ad34dbb3c2fda787e831a02985427b2d3433f2ccc2e69f387e2
MD5 hash:
1cc5cc3b29e823de48dbbaf8a170ad7d
SHA1 hash:
fdbf257811d9bda46f950d3c9b139b6b295ab5a8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/21dea9fb-ed33-48d6-a8ee-3fd78faf38ad/
Parent samples :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 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/21dea9fb-ed33-48d6-a8ee-3fd78faf38ad/
SH256 hash:
54565630f7931f45d81c1bd98601117350f63763984f6876097e9b339b6f2e96
MD5 hash:
627c71d44df9d9d109a41e056148f181
SHA1 hash:
3acbde823fca91c7fc046bee63a04a16b705a7c5
Link:
https://www.unpac.me/results/21dea9fb-ed33-48d6-a8ee-3fd78faf38ad/
SH256 hash:
739caabaad723c9cf69c0381bffd77d7c7cf372408dc8970a073c3acdce5c355
MD5 hash:
46adaf09ad9e9d730647b01cac8f53e6
SHA1 hash:
ebe582ab10a3ec915d2ba251e8e1bcb285241814
Link:
https://www.unpac.me/results/21dea9fb-ed33-48d6-a8ee-3fd78faf38ad/
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/739caabaad723c9cf69c0381bffd77d7c7cf372408dc8970a073c3acdce5c355

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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: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 739caabaad723c9cf69c0381bffd77d7c7cf372408dc8970a073c3acdce5c355

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/173674/

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