MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed5c5ef5186a78d9dd02e7dbf36b0bcc9d6c0e733f04a6780f6bcf06dbfc3338. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: ed5c5ef5186a78d9dd02e7dbf36b0bcc9d6c0e733f04a6780f6bcf06dbfc3338
SHA3-384 hash: 2e4225123fb9fee2188e0992da5dd64c521b2c58f8e1ab85820f76226c628fa25ee9bc52d1e85fdea034c88466d7a03e
SHA1 hash: ed42c80e56dfb719435cc58919758a195341055b
MD5 hash: c18c92beacd7e92b9881eb2d8a56d2ad
humanhash: sixteen-romeo-jersey-maine
File name:REVISED_.EXE
Download: download sample
Signature Formbook
File size:779'776 bytes
First seen:2023-02-02 08:17:19 UTC
Last seen:2023-02-02 16:25:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:3tz8L6gu+xMRSR5SEtKypyE4s09JtWsJIPg8zLvqsEqG4yPa:CLzyRU5Zp74so3WaCTC1qG4yPa
TLSH T10FF49C8777B19872F6CB00A1142837CD2FE07103BE95E267AB7B79C0A7069FB7698151
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
REVISED_.EXE
Verdict:
Malicious activity
Analysis date:
2023-02-02 08:19:35 UTC
Tags:
formbook xloader

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed phishing
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 796810 Sample: REVISED_.EXE.exe Startdate: 02/02/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 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 REVISED_.EXE.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\REVISED_.EXE.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 REVISED_.EXE.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 5 6 14->17 injected process8 dnsIp9 30 www.enlighthings.com 172.67.159.216, 49701, 80 CLOUDFLARENETUS United States 17->30 32 comeuphither4.com 192.0.78.25, 49702, 80 AUTOMATTICUS United States 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 21 wlanext.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-01 18:36:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gg62 rat spyware stealer trojan
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
SH256 hash:
7d06c3a4e5c803092dd33d6d181c8b4495329c934e4788eee7c459965aa20a6e
MD5 hash:
4353daeea02de514aeaecdf9df2b2f90
SHA1 hash:
75fb1e94762b4a8387b498087799c86c750764c6
SH256 hash:
48b324bd467c401e55f2385975e33818bd0029c9162020367340c522ab38787c
MD5 hash:
b87f448a8c71fc29e0d2d193acd0efc4
SHA1 hash:
35a0c0b6efb80bbedaded742d0a39f5d335417dc
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
ed5c5ef5186a78d9dd02e7dbf36b0bcc9d6c0e733f04a6780f6bcf06dbfc3338
MD5 hash:
c18c92beacd7e92b9881eb2d8a56d2ad
SHA1 hash:
ed42c80e56dfb719435cc58919758a195341055b
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.

Malspam

Formbook

Executable exe ed5c5ef5186a78d9dd02e7dbf36b0bcc9d6c0e733f04a6780f6bcf06dbfc3338

(this sample)

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