MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cc65796b96504f7436452abb5337d83927568039b02e670b8997e92770d8c98. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: 4cc65796b96504f7436452abb5337d83927568039b02e670b8997e92770d8c98
SHA3-384 hash: fc2398b358dba21c761fc1859c8a42c0b2f5a9b8c7a6da804ca290a10d531c01c7ce43fc0e34104203364a6dd0f3d0cb
SHA1 hash: ddd1201de9f13b3e263cb3a52a58cc2ce7f7570c
MD5 hash: 3345e88a68e5f9b8cd9415121fb85689
humanhash: indigo-oranges-march-oklahoma
File name:PAYSLIP.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:488'448 bytes
First seen:2021-09-14 17:55:52 UTC
Last seen:2021-09-14 18:52:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:fx28/g7OoQom+0Vi+4T5lfY1vA2PR4GWNpG:9OOopZ0Vi+4T5RY1vB/WNpG
Threatray 7'288 similar samples on MalwareBazaar
TLSH T131A4126122BC9B73DAFB47BD6065A05547F0D6A7A213E74D5ACE71A60C0B3E0C8087D7
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PAYSLIP.exe
Verdict:
Malicious activity
Analysis date:
2021-09-14 17:57:12 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/990a4ab9-1e2a-4095-b81b-99973a386dda

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/187877/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.16608.24656.10778.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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
monero obfuscated packed
Link:
https://www.filescan.io/uploads/617510eddb358dd15ed922a5/reports/23731ee1-03c9-4e6c-beed-01af0f94a79a/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e86a00a8-3559-4d25-98b9-f8dfd81eb637
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/850877
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)
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
Self deletion via cmd delete
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 483308 Sample: PAYSLIP.exe Startdate: 14/09/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 7 other signatures 2->42 10 PAYSLIP.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\PAYSLIP.exe.log, ASCII 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 PAYSLIP.exe 10->14         started        signatures5 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 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.miraclepawsfoundation.com 91.195.240.117, 49797, 80 SEDO-ASDE Germany 17->30 32 www.natalyashelk.online 194.67.71.60, 49802, 80 AS-REGRU Russian Federation 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netsh to modify the Windows network and firewall settings 17->46 21 netsh.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4cc65796b96504f7436452abb5337d83927568039b02e670b8997e92770d8c98/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
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Status:
Malicious
First seen:
2021-09-14 12:22:38 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jtdfpfvzmucpoq3ekkv3km35qojhk2adtmbom4fytf7je5ynrsma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0db69eb6654d1090cb17ab58537a7304e2c269613c0edabf123cf230d289db73
Formbook
24e635e80cecd03066225b27fdb524c4542586b22dc820e05f8a02072008c674
Formbook
34ff91c0be47c6edae673081f4814ca9b7432d6db4975ab66a911f36fe481d70
Formbook
759cc43ff9429a9b6e48c20708461b7af39a106efbcb98d541c01d6c44ea9b3f
Formbook
7aaf67e9b34448738b6260e0d7d7a4f2f12c430cc6f9d6a46bc7b4d41f44bf96
Formbook
ab2f8c8398a0233c6d9b0308b3499e7cababf65a1ec913c4a88c895edaa822c7
Formbook
b91bc68553ee8ce92c9ab04875b8e21703aeb7c63d9f2fe67a73a940c8150d8d
Formbook
c4013c46bb0700bc16dd8858f378b96e6e812e0e4d231432d21a4288b56efc90
Formbook
d8e0edf1cca3b6edefcd830e233131c593997b5bd4454891dc1b70614862f718
Formbook
e5561555b0be45246e4ce5418a203d5a0d800595de770d772d0d86d0ed2662bb
Formbook
+ 7'278 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:p6ai rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210914-wh1yvsbahn/
Behaviour
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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.bookkeeping32.com/p6ai/
Unpacked files
SH256 hash:
32be150a050a1b8598455b6db794c2f56bdfb998c759501df5ded3a67fe88d03
MD5 hash:
93978002bb2f119aef04178c435b0137
SHA1 hash:
e47da20db7083286e29c16d9e35dcb620e23b29b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0ff63d6b-bee4-4b41-b45d-4f67133ff6b9/
Parent samples :
b93e489f88aa4b4e93dafa16bd6f86956568d7b96574aaf768fd755f9c839db3
db59f359b1391841761f1eb6924a49ac7d39fce5033f9048b8be2c6b74734f3c
7149b1dc6fb8e0516e7f43b05cc0f452f078db558dd3be0ab066ab13f19c7e86
a3b2dbaf4684b38ff966a244069a73505cb8137efe19b95afd63f7a6029060cb
32be150a050a1b8598455b6db794c2f56bdfb998c759501df5ded3a67fe88d03
4cc65796b96504f7436452abb5337d83927568039b02e670b8997e92770d8c98
SH256 hash:
e3ae5b3b28e89d68080c3a7bb2ab3064405f70771702997fed761cdabaf0debe
MD5 hash:
bd4432f268327941b074a828cf7cad1f
SHA1 hash:
f41555fb8861e49a1ebbd27127c2f2e800f05206
Link:
https://www.unpac.me/results/0ff63d6b-bee4-4b41-b45d-4f67133ff6b9/
SH256 hash:
58d31fd23080b0fd66b4a543cf4f08fdcb8230c2049acc4b5a7c06bf887d380b
MD5 hash:
672eacce863a757ee4d44c8e4d8d8b4d
SHA1 hash:
ee799515aa7e99608812ff408114156823689af8
Link:
https://www.unpac.me/results/0ff63d6b-bee4-4b41-b45d-4f67133ff6b9/
SH256 hash:
4cc65796b96504f7436452abb5337d83927568039b02e670b8997e92770d8c98
MD5 hash:
3345e88a68e5f9b8cd9415121fb85689
SHA1 hash:
ddd1201de9f13b3e263cb3a52a58cc2ce7f7570c
Link:
https://www.unpac.me/results/0ff63d6b-bee4-4b41-b45d-4f67133ff6b9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/4cc65796b96504f7436452abb5337d83927568039b02e670b8997e92770d8c98

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
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 4cc65796b96504f7436452abb5337d83927568039b02e670b8997e92770d8c98

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/187877/

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