MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d5d803e91d5a07b32a19a06a8f722d3d4aead462bb2cab23470f2c2ad79b71a. 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 2 File information Comments

SHA256 hash: 4d5d803e91d5a07b32a19a06a8f722d3d4aead462bb2cab23470f2c2ad79b71a
SHA3-384 hash: 75cdaec3d12495bfe38421b8c7e05a577edc9ff021a345e88d862006c7978966aa623e85d3101df16f3da705d445b17f
SHA1 hash: 19210b68e0b6bd80907cf567e89c4afa51cbbc28
MD5 hash: 322f02712a30be5f29b4c187db20a7e2
humanhash: delaware-october-kentucky-august
File name:PO#202204233111.PDF-SCAN-COPY.exe
Download: download sample
Signature Formbook
File size:516'608 bytes
First seen:2022-04-07 14:00:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:xc0E0ZQ99jDLkGU4Nb0kAAyhTUedef6D+0QF:xc0Elj8ch0k5e1
Threatray 14'736 similar samples on MalwareBazaar
TLSH T1E2B41219F6A7CD02C6E50B33D5C5182503F6DA49A023EB5F6ADE22B84E5339B0EC5793
File icon (PE):PE icon
dhash icon b2cccccce8b2b28a (21 x AgentTesla, 14 x Formbook, 11 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#202204233111.PDF-SCAN-COPY.exe
Verdict:
Malicious activity
Analysis date:
2022-04-07 20:53:32 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Creating a window
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-07 09:09:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o27j rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
eb113721ae337f5920cffa1b21456290acaa56830f25188b8f6dd25057492b80
MD5 hash:
3a2c41b37bd5993d6b3f01fc4a8bf707
SHA1 hash:
09d0a1e57e0241fcf2b4b9ed7d6ee9cea809395b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6d9c709a77842bf2c2c9143a7ec36483036275007accd79fb843c628da821c12
MD5 hash:
fec1709c7aa243e415741381981481d3
SHA1 hash:
fff8fa22599073a33ac19f7c8a252ba6a25b5ad5
SH256 hash:
b3b28328d4b12ff93644f4c1a79f4558b999126c6ec44a5b38973a2b3238e872
MD5 hash:
a245057c154535fd029d32c980373607
SHA1 hash:
cc4eaa5609e713ba40bbc05a1cd921c147b45a6a
SH256 hash:
e11871df824c3130e35f2c94d672404e18ebefddf3172d166f2e640ad3686c73
MD5 hash:
4379771ccd9b927712ef2505214161df
SHA1 hash:
6636b7b80e279de67c60b52277f566463afebf8e
SH256 hash:
4d5d803e91d5a07b32a19a06a8f722d3d4aead462bb2cab23470f2c2ad79b71a
MD5 hash:
322f02712a30be5f29b4c187db20a7e2
SHA1 hash:
19210b68e0b6bd80907cf567e89c4afa51cbbc28
Malware family:
FormBook
Verdict:
Malicious
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments