MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b50a9610f9fe8bce3874969c39932235dc3129a3ed7057a40241b44cbdfa0c5. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b50a9610f9fe8bce3874969c39932235dc3129a3ed7057a40241b44cbdfa0c5
SHA3-384 hash: ca17a13acd94125529b0d2c557ebcdc90dff08f0af80669a0f30b5c1678aa746858b00c11dba6a511bc5c1727e7c1e59
SHA1 hash: 173e78967bb6e55294a2b42a6a4a6eca71b5a395
MD5 hash: 362d1d639612c0cf1b4bcf8a5faa0486
humanhash: sweet-avocado-magnesium-florida
File name:PO8479349743085.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:292'352 bytes
First seen:2020-10-20 08:23:54 UTC
Last seen:2020-10-25 19:48:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bc5966a463e3eb6e754f16a51c8132da (2 x Formbook, 1 x Matiex, 1 x AgentTesla)
ssdeep 6144:yTpO7cUvBJ/zAmf8J957bgK6z3PygzLOpKJa:ypOLrnf8X57U77KgH4x
Threatray 2'546 similar samples on MalwareBazaar
TLSH EC54D075B6C3C9F0D4A2023885548BA1676EFF315AE6C887F3D8760E4C715D1EA2B293
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: regular1.263xmail.com
Sending IP: 211.150.70.201
From: 杨玲 <sales2@teweiband.com>
Subject: PO8479349743085
Attachment: PO8479349743085.zip (contains "PO8479349743085.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/73334/
Detection(s):
SecuriteInfo.com.Artemis362D1D639612.9572.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/497299
Signature
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 300832 Sample: PO8479349743085.exe Startdate: 20/10/2020 Architecture: WINDOWS Score: 100 30 www.igensheets.com 2->30 32 igensheets.com 2->32 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 2 other signatures 2->46 11 PO8479349743085.exe 1 2->11         started        signatures3 process4 signatures5 56 Maps a DLL or memory area into another process 11->56 58 Tries to detect virtualization through RDTSC time measurements 11->58 14 PO8479349743085.exe 11->14         started        17 conhost.exe 11->17         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 14->19 injected process8 dnsIp9 34 www.hiddenhillsgems.com 188.93.150.92, 49787, 80 SIGNET-ASSignetBVNL Netherlands 19->34 36 keepamericansgreatagain.com 34.102.136.180, 49769, 49784, 49785 GOOGLEUS United States 19->36 38 16 other IPs or domains 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 23 help.exe 19->23         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b50a9610f9fe8bce3874969c39932235dc3129a3ed7057a40241b44cbdfa0c5/
Threat name:
Win32.Trojan.Zusy
Create hunting rule
Status:
Malicious
First seen:
2020-10-20 04:05:02 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rniksyipt7ulzy4hjfu4hgjseno4geu2h3lqk6saeqnujs67udcq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76
Formbook
339505a9dc4fdae3e5a44a6d33230c75d181a8674bead358b8c9012156f4672d
Formbook
72696d78e02a5f32462855866fee3ddba93f53a0a1bb84c58c98e84d623f3abd
Formbook
9068a4f87026bf855c28696f3a82fb1fbb6139782ff7de81321a190cac8699d8
Formbook
92625b5d11e691107b8aa2e733c1be9fe3677b5a86f03e08f239bf6e0d450885
Formbook
a0c73c5e7d039898c297b3e6d1c48bc7c32eae93a24b731a0c21717925dba028
Formbook
a81417bec9f1772e798040075b9211127cefd65831a1bf582f0f72ce2891cae1
Formbook
e4badaf86c0f22c6b31c97f661ba5af3f757697e7493c2e750a813173dec2273
Formbook
e85ece3cee51156974c3fb8f0e2c707dae2b51b0d2db9e5fb10531d2fdd76ca6
Formbook
fd09ea46df289ee19611d096f5281c1e15ee2bc2c54388dd35adfa17837eb038
Formbook
+ 2'536 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201020-vrfrmjgvds/
Unpacked files
SH256 hash:
8b50a9610f9fe8bce3874969c39932235dc3129a3ed7057a40241b44cbdfa0c5
MD5 hash:
362d1d639612c0cf1b4bcf8a5faa0486
SHA1 hash:
173e78967bb6e55294a2b42a6a4a6eca71b5a395
Link:
https://www.unpac.me/results/f7cf0a30-e649-4633-aa20-398d75f25f67/
SH256 hash:
f3aa2006efd64018a589f08995d7cb54623102d6226fc355c92e395ab800c3e4
MD5 hash:
9a951d94e987acdf77502435cf0d2ae3
SHA1 hash:
ad597efd5e58684c0554a26ae3f44b2d448a179c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f7cf0a30-e649-4633-aa20-398d75f25f67/
Parent samples :
e4badaf86c0f22c6b31c97f661ba5af3f757697e7493c2e750a813173dec2273
92625b5d11e691107b8aa2e733c1be9fe3677b5a86f03e08f239bf6e0d450885
a81417bec9f1772e798040075b9211127cefd65831a1bf582f0f72ce2891cae1
339505a9dc4fdae3e5a44a6d33230c75d181a8674bead358b8c9012156f4672d
9068a4f87026bf855c28696f3a82fb1fbb6139782ff7de81321a190cac8699d8
fd09ea46df289ee19611d096f5281c1e15ee2bc2c54388dd35adfa17837eb038
8b50a9610f9fe8bce3874969c39932235dc3129a3ed7057a40241b44cbdfa0c5
1ce0c7f388fb8db723745beb75cfd8e16e6b08ed35268c405bc203813123d284
c0f902eb625b7628d517c0fc1529dd4fe5954889f81bafb5b6e35c39205c84eb
97bfeff0f03f6d6cc84cccb087f2fef805c6d8c55693a19d43b8ae74702a32ef
79048d55f5a4e532509d456b4715b0594d85a28233f94e3f8089cc65d3c3433a
89b648edb009f749c51c6ca2cfc0b2d2f9028250fa1a8f4426c257b613bc5b3d
4cb0a9cadfa57ca281f8d3ea45085fcfe0682f2bfc6c184d192a05d983269004
75c60107da2c67db916e08dfb16787952af14793798bb19e7549f9b0594a27db
b2260553dae0af6a870e780fcaa1330376b9373e85a27c69c17071bfd09ddb88
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/8b50a9610f9fe8bce3874969c39932235dc3129a3ed7057a40241b44cbdfa0c5

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: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

File information

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

Malspam

Formbook

zip f0594ca5eb4857e765bcef8e3e31687306ced4b62ca57f3efb4888de67296b0f

Formbook

Executable exe 8b50a9610f9fe8bce3874969c39932235dc3129a3ed7057a40241b44cbdfa0c5

(this sample)

  
Dropped by
MD5 9ac43a6f2a2fd794dc4fdacfa11e6b6f
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/73334/
  
Dropped by
SHA256 f0594ca5eb4857e765bcef8e3e31687306ced4b62ca57f3efb4888de67296b0f

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