MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8. 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 4 File information Comments
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SHA256 hash: 0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8
SHA3-384 hash: f5aca09d611a5ccdcea71d850da880ed8d5357db5c558cb529b2f54226d99877dff210050addad5c1bfb2e5ed1fabfeb
SHA1 hash: 964363c956703d3ad47aabae6a32decc086a879a
MD5 hash: 91e416aedcac1d95d593fffa9a0a22b1
humanhash: eight-florida-kentucky-green
File name:LIST.KRT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'021'440 bytes
First seen:2021-08-06 12:32:24 UTC
Last seen:2021-08-06 13:45:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:lWGKb0wFVMNj6hQz8HM6zMyOplwxr05EQzxl:PKYwFSh6hd9Olwl0BF
Threatray 7'504 similar samples on MalwareBazaar
TLSH T15A25BE607AA94304E9BBA730693E91000BF7BD3FE726D64E2D55794C87B37824363B16
dhash icon 105272724a361266 (1 x Formbook)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
343
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LIST.KRT.exe
Verdict:
Malicious activity
Analysis date:
2021-08-06 12:46:03 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9b7ec86c-2250-4e4f-bf2d-c7dc604952ee

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/177001/
Detection(s):
SecuriteInfo.com.Artemis91E416AEDCAC.29305.27086.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
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/94aa94b9-4803-4c70-b1b9-92b08306f6e8
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/828281
Signature
Injects a PE file into a foreign processes
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 460710 Sample: LIST.KRT.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 88 36 Multi AV Scanner detection for submitted file 2->36 38 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->38 40 Modifies the prolog of user mode functions (user mode inline hooks) 2->40 10 LIST.KRT.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\LIST.KRT.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 LIST.KRT.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.realtyworldplatinum.com 154.214.189.2, 49726, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 17->30 32 www.toprooferelpaso.com 17->32 34 target.clickfunnels.com 104.16.14.194, 49723, 80 CLOUDFLARENETUS United States 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 21 cscript.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 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/0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-06 12:11:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bkku76ecy6zojrx5xx5fevgf6vhaufqw5soprpgsyfss5ebsmtea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
004068094b6adb0e6548b6334afd2dad79312f09e94e04a1d1206874028bdda0
Formbook
031af74c61339ca40eda7563268d9e2e2803064c141d3c46eb20acad3764f4cc
Formbook
21b29b3e6e8ea1f94e0d6944026efdccf89b7f35794478daccd05e2a00f222cb
Formbook
50961752207e439abf40cf15d11d20f5c3d9b68067e571c3029c7bce69ffe085
Formbook
66e06710b095c687448e0b08240a99f84dfbfc24882a2c8c9f5b165f58469d8f
Formbook
72a002cd9cd49afe6f15c5dc2ad7e3f65471b21fd4331202183b87c7ebab7fe3
Formbook
98820c48f104e5644529c8e9b012e7c2de6aca35aca322b342ccd23aefdedc96
Formbook
a64fb325fa611518c20644dfbe5728eb7767caeb63df08c4935dec5fc4ffe988
Formbook
ae5df8905dd1b9de509e6764dea4c5571916b1705a129bddf2f5e2e554552acb
Formbook
e17c6fdddc41bc1200df93f2303ea35ac0d230e04e7641f1b589bf2a9a7d1e3e
Formbook
+ 7'494 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bkbk rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210806-qhffqazhfj/
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.aozhengaodi.com/bkbk/
Unpacked files
SH256 hash:
89bd26b3006094a6a975bb829971ca25912f56d46a89a17ebfeb4376d893b297
MD5 hash:
a805040f871ff81beb0a3874b72f6049
SHA1 hash:
2d5a9586fb7e6019883325921bdda92c7e50fe12
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/bb6b55c0-97f7-47a3-bf5a-43b8399d59b8/
Parent samples :
0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8
9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f
4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067
5e6cd5d639ae3b9425d3e11ded2ba9b054bd28903e7c9ae7b1702a89fc66b953
SH256 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
Link:
https://www.unpac.me/results/bb6b55c0-97f7-47a3-bf5a-43b8399d59b8/
SH256 hash:
9a6c1b64117ba65c06d8d51130cee85fdd61a4a7f56013d8070149b813cecc2f
MD5 hash:
b610de99f241727466a324d21a49132c
SHA1 hash:
71c628b15632e78447c35e511274cad5806c766c
Link:
https://www.unpac.me/results/bb6b55c0-97f7-47a3-bf5a-43b8399d59b8/
SH256 hash:
0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8
MD5 hash:
91e416aedcac1d95d593fffa9a0a22b1
SHA1 hash:
964363c956703d3ad47aabae6a32decc086a879a
Link:
https://www.unpac.me/results/bb6b55c0-97f7-47a3-bf5a-43b8399d59b8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/0a954ff882c7/report/overview.html
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/0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8

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
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

zip 4406e3dc44f1ad394f993770c0307ee3cb97718ba09790643f6d0878ca931001

Formbook

Executable exe 0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 4406e3dc44f1ad394f993770c0307ee3cb97718ba09790643f6d0878ca931001
Cape
Cape
https://www.capesandbox.com/analysis/177001/

Comments