MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
SHA3-384 hash: a594794d6c314926651a886be743a96a1dd10860747cdb3a9886b24fd9c365ce87dc0a32d68f986c94ee6de11eacddb6
SHA1 hash: 31a4f6fc81c45e49f4787cebe622256fa74d8a06
MD5 hash: 99ed5f72e5742e549a6ec78655fd3cfc
humanhash: kitten-double-black-video
File name:truck pictures.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:649'728 bytes
First seen:2021-09-19 16:45:10 UTC
Last seen:2021-09-19 17:51:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:l2t88/RRoH9Bh/PMkbL8YMZlSWTlvFlm8Jxct9VjW:lJ8bQv1L8YMyylpbc3VjW
Threatray 9'762 similar samples on MalwareBazaar
TLSH T120D49D86D1015D62F8364BF82031D97573A62DE66DF0AE9929D03EA33AF72835432D1F
File icon (PE):PE icon
dhash icon 554444594d55714d (10 x AgentTesla, 5 x Formbook, 3 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
truck pictures.exe
Verdict:
Malicious activity
Analysis date:
2021-09-19 16:46:32 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/727963ed-c67b-48e8-9a2f-d0cefd883fb9

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/189105/
Detection(s):
SecuriteInfo.com.Artemis99ED5F72E574.24892.13820.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b53d5513-e3e8-4652-826e-6fb5e21eef14
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/853560
Signature
.NET source code contains potential unpacker
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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 dnsIp2 2 Behavior Graph ID: 485991 Sample: truck pictures.exe Startdate: 19/09/2021 Architecture: WINDOWS Score: 100 36 www.qtih.top 2->36 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->48 50 9 other signatures 2->50 11 truck pictures.exe 3 2->11         started        signatures3 process4 file5 34 C:\Users\user\...\truck pictures.exe.log, ASCII 11->34 dropped 14 truck pictures.exe 11->14         started        17 truck pictures.exe 11->17         started        19 truck pictures.exe 11->19         started        21 truck pictures.exe 11->21         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 23 explorer.exe 14->23 injected process8 dnsIp9 38 198.54.117.217, 49827, 80 NAMECHEAP-NETUS United States 23->38 40 parkingpage.namecheap.com 198.54.117.210, 49820, 80 NAMECHEAP-NETUS United States 23->40 42 13 other IPs or domains 23->42 52 System process connects to network (likely due to code injection or exploit) 23->52 27 svchost.exe 23->27         started        signatures10 process11 signatures12 54 Self deletion via cmd delete 27->54 56 Modifies the context of a thread in another process (thread injection) 27->56 58 Maps a DLL or memory area into another process 27->58 60 Tries to detect virtualization through RDTSC time measurements 27->60 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2021-09-19 16:46:09 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lshtcoansvuvqe2dghvflzrygx6rnsq7al2mqftsw2o3oc6jpk4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
108cc18c30a306c9fcd29d6d587cee73e18ccabbda0cb669b513a22b300d3a1d
Formbook
16f669b8657b76f78a71e28f4b475856eddccfd143f2128275212b338aca8620
Formbook
1910086de9f1a5a56200a9936bbed7b5c80f9fc6a2c6612a0073bc0c9ba54861
Formbook
1ba55b6d19b202f0a3fa11a7122a210ed0041074bf30fc754bbc87c1a793304b
Formbook
546a357750ec3b4f5f238d7e1e273f336d11c6ea5ef51976243e1fa1a8e335ec
Formbook
6935472304f1b2e4e19ca521bf82ef1064f62ced4bf0ee3d1b6eac32a3f4b61f
Formbook
8ea636d851faf7ce0769fbbe7856659d0eb6638353df90e0c93f461ac3a932be
Formbook
e94b8626361ef2ef783dbb4c5662c62a2f27f79e7453b0831805a04541e0ac12
Formbook
f1b2b93992ab956883815e6fea926d282fc3a423675fa1faf5ffb6cbb2ddbedb
Formbook
+ 9'752 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:cuig loader rat suricata
Link:
https://tria.ge/reports/210919-t9ztrsehbn/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.qtih.top/cuig/
Unpacked files
SH256 hash:
7b015112e1663a7f69e1ebff14568af81a69ba54dde20f1e1cd9da054a7529b4
MD5 hash:
f56e30de63e010f54dcd9657859df6d4
SHA1 hash:
4dda0adb9d7cadfead84feb7d7275407b0d594bb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/32eadd98-a8c2-4f6d-8496-8353f0fb23e2/
SH256 hash:
add1a175f0299bafca91d731a5f10a0add3b9661d1e36f2d5e22802a9f72b54f
MD5 hash:
9501077a47dbc6dca25fc9299c2f9c4c
SHA1 hash:
ce1e737a45324306bc7d6c42559986531ce0b21b
Link:
https://www.unpac.me/results/32eadd98-a8c2-4f6d-8496-8353f0fb23e2/
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
Link:
https://www.unpac.me/results/32eadd98-a8c2-4f6d-8496-8353f0fb23e2/
SH256 hash:
5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
MD5 hash:
99ed5f72e5742e549a6ec78655fd3cfc
SHA1 hash:
31a4f6fc81c45e49f4787cebe622256fa74d8a06
Link:
https://www.unpac.me/results/32eadd98-a8c2-4f6d-8496-8353f0fb23e2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8

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
Create hunting rule
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 5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/189105/

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