MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c988a622b822f0fc226b928ab317dc7a6130b395f74a3e39c3443b275c93771. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c988a622b822f0fc226b928ab317dc7a6130b395f74a3e39c3443b275c93771
SHA3-384 hash: 69879c334f6c4d2fd335a479bd412d0a33139aa15d230428033b1732766b990af8549359f41a6e5ed08078fe0968048d
SHA1 hash: 58bbfeda525cd20cde716d8d587b96a58a494d6f
MD5 hash: a584c1efdc2d5911278ab43d1fc671af
humanhash: lake-golf-vermont-oklahoma
File name:a584c1efdc2d5911278ab43d1fc671af
Download: download sample
Signature Formbook
Create hunting rule
File size:411'638 bytes
First seen:2021-07-28 15:33:29 UTC
Last seen:2021-07-28 16:49:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4eb4fa387aa9e72a2c5a5335b8957253 (2 x Formbook, 1 x SnakeKeylogger, 1 x NetWire)
ssdeep 6144:3I9XKqGvBcQqh3SB5o4AOnBplAIeqnG/sLYGKYWRkynp9x:3QvGvOk5Ky0T6G4YGKrHLx
Threatray 6'948 similar samples on MalwareBazaar
TLSH T10594CF5131F09431E06219314660E16E5E2CFC31CE2FAE9723996DEF3FF49C18929A7A
dhash icon 60e0cccccccce060 (5 x Formbook, 5 x AgentTesla, 3 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-829ARTS-PI 2021-7-17.xlsx
Verdict:
Malicious activity
Analysis date:
2021-07-28 09:29:14 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/f7d065d9-5ff5-4aee-bf72-ba08e4d9e8aa

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/174698/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.14771.18307.9894.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/d1632419-f3b7-47de-867b-b44f76040aaf
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/823178
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Dridex Process Pattern
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 455586 Sample: xZEvLEJG1D Startdate: 28/07/2021 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 7 other signatures 2->41 10 xZEvLEJG1D.exe 2->10         started        process3 signatures4 49 Writes to foreign memory regions 10->49 51 Maps a DLL or memory area into another process 10->51 13 svchost.exe 10->13         started        process5 signatures6 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 2 other signatures 13->59 16 explorer.exe 13->16 injected process7 dnsIp8 27 bestselfcoachingforfitpros.com 192.0.78.24, 49748, 80 AUTOMATTICUS United States 16->27 29 www.yhchen.space 16->29 31 3 other IPs or domains 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 cmd.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Gathering data
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-07-28 13:47:31 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
19 of 27 (70.37%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rsmiuyrlqixq7qrgxeukwml5y6tbgczzl52khy44grb3e5ojg5yq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
046bf8a6c9bc47b10b80a2ca83289714a931b5d10d864e02d2e20fdc09301108
Formbook
68fd922afd4b980e00af527f2e2d6bbeed59ec1508c089370d64081a5532f3f2
Formbook
71cb97b67ebcc50a0bef217b3ca9591cfa49f6b8c8d11ee9952c2cde0b7b6a51
Formbook
818b8b831f3c774e034e2794f1eae71f62f5388355916e948b472cfdac7f5508
Formbook
b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2
Formbook
b663fea76aadbf574e5bb9f704ad689ec10f0d720b0b9641e70b27494fe4cc17
Formbook
b8ad131dedee5c7f3164a25f907a69c6f90632f901ecf50a61aa7e31b4c8334e
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
d0b2bc00645de803a4e9df303539995ee8f781631684b04fe67ee7e01bcf9c21
Formbook
+ 6'938 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210728-zm6qmna6t6/
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.fortmyerscruisevacation.com/dd2v/
Unpacked files
SH256 hash:
75e7c0608030fa52655b7d3f44d8701ef488f85e27814418f7c48cf81dca6992
MD5 hash:
0c2f9c31e0d412847c5d72150e82419e
SHA1 hash:
0e5006ee397ce5b5bf2397bc4cbf7359ea4b1f33
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d73ba44a-8425-48be-831d-fb7076f52ab0/
Parent samples :
8c988a622b822f0fc226b928ab317dc7a6130b395f74a3e39c3443b275c93771
4717b1585971b702c8e32e5054b5514dc4e6ed5a5f50434d66f43c79d15354c6
21da3823ffb535bf77b19ce43b741011f3783180ab5d74e2aab69ce311ed86fb
edda9af73a29d4e3456a1fd3a67d3a1aabd9692d4f4feba564db139f86201960
b21eb6d14eae70e233132e7fa4e99fb282209f1c6ea8ba4d984e9585ee965e87
1e716fc850ee142cf712e56d074ee9b6a3855014612513bb0f447fab5b8c9fc8
c74a1ee1bb642221d811a5c617c175c09bca2cf5d6937f7981b9825eab5ef127
SH256 hash:
8c988a622b822f0fc226b928ab317dc7a6130b395f74a3e39c3443b275c93771
MD5 hash:
a584c1efdc2d5911278ab43d1fc671af
SHA1 hash:
58bbfeda525cd20cde716d8d587b96a58a494d6f
Link:
https://www.unpac.me/results/d73ba44a-8425-48be-831d-fb7076f52ab0/
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/8c988a622b822f0fc226b928ab317dc7a6130b395f74a3e39c3443b275c93771

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.

Web download

Formbook

Executable exe 8c988a622b822f0fc226b928ab317dc7a6130b395f74a3e39c3443b275c93771

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1487538/
Cape
Cape
https://www.capesandbox.com/analysis/174698/

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