MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 60ca0a3819cc5a24cb229e79c4fc0ac610e59691fe99dda733cbb5ac06844d41. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 60ca0a3819cc5a24cb229e79c4fc0ac610e59691fe99dda733cbb5ac06844d41
SHA3-384 hash: 1c1e7cf8f66240ef13c686c282d9e41f6c45c840ac01f52a04b0884f1cf64e1f65c15ebcefa0b4178ccde3425814f794
SHA1 hash: 11e513e6305ae007c54bde700bc8c84c09aca3cc
MD5 hash: f7c123e214779fbf02702e3485f373f3
humanhash: diet-wyoming-violet-kansas
File name:PO_210224.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'923'584 bytes
First seen:2021-02-24 06:55:53 UTC
Last seen:2021-02-24 09:04:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:XETG6OTTf0vMtBBa8atHhUNxlxpSR02kPQuZ:g34Tf0vMbBaxUxlxT9
Threatray 3'489 similar samples on MalwareBazaar
TLSH 7E95294D7650B7DEC85BCD3A89540C24FFD0B86A8B0BE213A1535BDCAA5DA47EF500E2
Reporter abuse_ch
Tags:exe FormBook geo KOR


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail-smail-vm81.hanmail.net
Sending IP: 211.231.106.156
From: 아인테크 <myoungha2000@hanmail.net>
Subject: 견적요청_아인테크_2021024
Attachment: G0170-PF3F-20-02602T.cab (contains "PO_210224.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_210224.exe
Verdict:
Malicious activity
Analysis date:
2021-02-24 07:09:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1881bc8d-747d-45fc-ae9a-7b03d8634eaa

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/118844/
Detection(s):
SecuriteInfo.com..27596.21207.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/616209
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 357109 Sample: PO_210224.exe Startdate: 24/02/2021 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 13 other signatures 2->56 10 PO_210224.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\...\tCWJegoObpKyjw.exe, PE32 10->36 dropped 38 C:\...\tCWJegoObpKyjw.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpE7C8.tmp, XML 10->40 dropped 42 C:\Users\user\AppData\...\PO_210224.exe.log, ASCII 10->42 dropped 66 Detected unpacking (changes PE section rights) 10->66 68 Detected unpacking (overwrites its own PE header) 10->68 70 Tries to detect virtualization through RDTSC time measurements 10->70 14 PO_210224.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 72 Modifies the context of a thread in another process (thread injection) 14->72 74 Maps a DLL or memory area into another process 14->74 76 Sample uses process hollowing technique 14->76 78 Queues an APC in another process (thread injection) 14->78 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 44 www.khoetuthiennhien.com 210.145.8.133, 80 OCNNTTCommunicationsCorporationJP Japan 19->44 46 www.blue-003.com 104.21.34.214, 49731, 80 CLOUDFLARENETUS United States 19->46 48 2 other IPs or domains 19->48 58 System process connects to network (likely due to code injection or exploit) 19->58 25 wscript.exe 19->25         started        28 autoconv.exe 19->28         started        30 autoconv.exe 19->30         started        signatures10 process11 signatures12 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 32 cmd.exe 1 25->32         started        process13 process14 34 conhost.exe 32->34         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/60ca0a3819cc5a24cb229e79c4fc0ac610e59691fe99dda733cbb5ac06844d41/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-02-24 04:28:56 UTC
AV detection:
9 of 47 (19.15%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mdfauoazzrncjszctz44j7akyyiolfur72m53jztzo22ybuejvaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4d7785dcd99beca572613788bc8b0713ddda6da0c8df321b1402bc38e6880f88
Formbook
5180e6ef19db039d8365f3cb9690424e61504a80ab94a12738a633b6cdc5fccb
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
5d5d64a87a5d888443e8d7a25046922fa4a39fe5952a45635dd66321e616bb14
Formbook
5d617282230f991221360f213e15b0e62d0c462afc3d32299c9b410658fbb106
Formbook
8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c
Formbook
92737036f323b1c72064c1e8038a942266435048a3ce4847f7e5b29558376c1c
Formbook
957c5b5a6f0af47354f9ed2d09522fc671b8c0af06e3f3a5b6354e111b2c8129
Formbook
de1c4a327916e1a5b5d900b4eba280a2ea8455390e3e5e4e4266e2d2aa11d681
Formbook
e68f17cfe87742103150ca9abd6cc16581caa6e0e0243d03fae2c89c2609c974
Formbook
+ 3'479 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210224-le15lzq6bs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.midnightblueinc.com/2kf/
Unpacked files
SH256 hash:
68b716109ff4e18e21bd0acacb3796f7930771d19f6a766d7d3aa0bbde4ce7e0
MD5 hash:
a3d1d373062f59282307d4b9966d702b
SHA1 hash:
60c9c330e6ff63d3e0b3b0b700ac37bde5997ced
Link:
https://www.unpac.me/results/5cd4bdef-5a1b-437e-b0f6-b19ecaad8d65/
SH256 hash:
60ca0a3819cc5a24cb229e79c4fc0ac610e59691fe99dda733cbb5ac06844d41
MD5 hash:
f7c123e214779fbf02702e3485f373f3
SHA1 hash:
11e513e6305ae007c54bde700bc8c84c09aca3cc
Link:
https://www.unpac.me/results/5cd4bdef-5a1b-437e-b0f6-b19ecaad8d65/
Please note that we are no longer able to provide a coverage score for Virus Total.

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_InTheFu
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

cab ed03dedd804548667687d9b507117913d15e766cfb06fc26089c7d30b7408f1f

Formbook

Executable exe 60ca0a3819cc5a24cb229e79c4fc0ac610e59691fe99dda733cbb5ac06844d41

(this sample)

  
Dropped by
MD5 de17a6149c3b4e4a1e37438ce2ad1646
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ed03dedd804548667687d9b507117913d15e766cfb06fc26089c7d30b7408f1f
Cape
Cape
https://www.capesandbox.com/analysis/118844/

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