MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73074d31d76508707823817fd9a27010fb5f049ff255f991d034bd4bcf917d2e. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: 73074d31d76508707823817fd9a27010fb5f049ff255f991d034bd4bcf917d2e
SHA3-384 hash: 17144bccb8aa9be777b0e3a098e3f38261cce9abf32ca2df644fea32c7d64b26f11ec569a1bf4d76aa2fa9d16131f6f8
SHA1 hash: 1cab90529e9920253e3d2be316ec8af4e04d1751
MD5 hash: f6f60eb306a0f6332cea15f4e2af92e0
humanhash: seven-sad-virginia-carbon
File name:세금 납부 인보이스 - 2021년 11월 11일 목요일,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:610'304 bytes
First seen:2021-11-11 17:19:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:jnkLt1mMuKk89HJQr6plauV9VGJ+Qvhzdcs5:Ithkupwsa0VGJzl
Threatray 11'311 similar samples on MalwareBazaar
TLSH T1C3D49EA0B1A5C8DFE86552B49C8AF85022927D6D9461D70F31C67F2EB9B3353106BB0F
File icon (PE):PE icon
dhash icon 79e0c4ccccc4c4c0 (11 x Loki, 4 x AgentTesla, 3 x SnakeKeylogger)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aaaaa.exe
Verdict:
Malicious activity
Analysis date:
2021-11-11 02:16:28 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/43d2bf82-a4d8-409c-a0d4-49427d0e7493

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/205094/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.38803.247.29253.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed strictor
Link:
https://www.filescan.io/uploads/618d50c6dec3347825a22401/reports/1ac71e58-7c82-413d-a4d2-58162a13592d/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/486b15b3-098f-4151-8050-5b520a2b9fe3
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/887642
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 520111 Sample: c77c,pdf.exe Startdate: 11/11/2021 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 7 other signatures 2->39 9 c77c,pdf.exe 3 2->9         started        process3 file4 31 C:\Users\user\AppData\...\c77c,pdf.exe.log, ASCII 9->31 dropped 49 Tries to detect virtualization through RDTSC time measurements 9->49 51 Injects a PE file into a foreign processes 9->51 13 c77c,pdf.exe 9->13         started        16 c77c,pdf.exe 9->16         started        signatures5 process6 signatures7 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 18 msdt.exe 13->18         started        21 explorer.exe 13->21 injected process8 signatures9 41 Self deletion via cmd delete 18->41 43 Modifies the context of a thread in another process (thread injection) 18->43 45 Maps a DLL or memory area into another process 18->45 47 Tries to detect virtualization through RDTSC time measurements 18->47 23 cmd.exe 1 18->23         started        25 explorer.exe 1 160 18->25         started        27 autoconv.exe 21->27         started        process10 process11 29 conhost.exe 23->29         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/73074d31d76508707823817fd9a27010fb5f049ff255f991d034bd4bcf917d2e/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-11 08:55:09 UTC
AV detection:
15 of 44 (34.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=omdu2moxmueha6bdqf75titqcd5v6be76jk7teoqgs6uxt4rpuxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0d83906aa1c84a83028cd12f8ef9582a260f94e56c4254cb35735b98d7266b8e
Formbook
514772a7cf47826f748fcb6afe32458e89f1c9405162870eb208f7f54038d19d
Formbook
7a2c677533d0dfa9104ae8ff221f1933651349669fef6f26c957cb28199a96d6
Formbook
82adc1ae5adcf8277a595f34021ff3724d380c87a2b03477ef7aa7504b2c6b77
Formbook
88c841869430e07bb9b80e52d61d4f013c6bd8753b06807b411a428f09669c33
Formbook
973489958412d5278a51536aac60517969126519f59677ec9b2917c727ac832a
Formbook
9f32e72b1695726ee2c6d97c59fde0253f9193ae389efa65ce98869198419702
Formbook
ea693b5bb0a73a3cb5547fc88b5fff6f5198997a2b7e33a386dd3a5f0788e8ba
Formbook
+ 11'301 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/211111-vwe3waghcl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
bd4c4912209802bb457983177d94b220d20dc9775ff973f90bd1c6afd729bc9c
MD5 hash:
8cde05c2cc918a68b075bdb2854c9994
SHA1 hash:
bc3c4e2826370171102ee8b7bd317493cd72c15f
Link:
https://www.unpac.me/results/062c7b7b-4e8f-440f-9fec-c9ce504900e0/
SH256 hash:
39e19ca61585b8e49b280643bd053528a29e559dca44bb8b7b62abcefdcfca2c
MD5 hash:
3ff05d163222d170f0703c5e4c80c1d1
SHA1 hash:
f0bbe9ebc582aa5924b7df1c372ccad0f334f57d
Link:
https://www.unpac.me/results/062c7b7b-4e8f-440f-9fec-c9ce504900e0/
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/062c7b7b-4e8f-440f-9fec-c9ce504900e0/
Parent samples :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 hash:
73074d31d76508707823817fd9a27010fb5f049ff255f991d034bd4bcf917d2e
MD5 hash:
f6f60eb306a0f6332cea15f4e2af92e0
SHA1 hash:
1cab90529e9920253e3d2be316ec8af4e04d1751
Link:
https://www.unpac.me/results/062c7b7b-4e8f-440f-9fec-c9ce504900e0/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/73074d31d765/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/73074d31d76508707823817fd9a27010fb5f049ff255f991d034bd4bcf917d2e

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

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/205094/

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