MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4efed095f398feebacf3ccba9b08d00c398ea52424aca039d89ebd36580c0e96. 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: 4efed095f398feebacf3ccba9b08d00c398ea52424aca039d89ebd36580c0e96
SHA3-384 hash: 813fe6282d84a8897e64cd075559859bc2dd444188694377e405a64809eef1d1de2260a3b0f1d1480ba90a906c8aec40
SHA1 hash: 4f7b8374fdd85afa6a2c2913d40ae17de154f860
MD5 hash: e2456ebb5007adaa4e9d51d09670d950
humanhash: minnesota-iowa-coffee-alabama
File name:file
Download: download sample
Signature Formbook
File size:733'184 bytes
First seen:2022-11-09 21:52:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:PCjIXPod2iNt39oo3F5/W+QH47dCe7NH5Y7e3EX4If10xWQ5UkDGjoZUJE/Guviq:Ped1f3io3F93QH47dCe7NH5KmG4If1Oy
Threatray 16'565 similar samples on MalwareBazaar
TLSH T129F4128C62A15A18F6FF4BB9F454002497B8B443D08FD7AA5FC779EA2D523B44E096C3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-09 21:58:29 UTC
Tags:
formbook trojan stealer

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

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 742452 Sample: file.exe Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 8 other signatures 2->60 8 file.exe 7 2->8         started        12 APWkiBiZSdzt.exe 5 2->12         started        process3 file4 40 C:\Users\user\AppData\...\APWkiBiZSdzt.exe, PE32 8->40 dropped 42 C:\Users\...\APWkiBiZSdzt.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmpAA63.tmp, XML 8->44 dropped 46 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->46 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 8->70 72 Adds a directory exclusion to Windows Defender 8->72 14 file.exe 8->14         started        17 powershell.exe 21 8->17         started        19 schtasks.exe 1 8->19         started        74 Multi AV Scanner detection for dropped file 12->74 76 Machine Learning detection for dropped file 12->76 21 APWkiBiZSdzt.exe 12->21         started        23 schtasks.exe 1 12->23         started        signatures5 process6 signatures7 82 Modifies the context of a thread in another process (thread injection) 14->82 84 Maps a DLL or memory area into another process 14->84 86 Sample uses process hollowing technique 14->86 88 Queues an APC in another process (thread injection) 14->88 25 explorer.exe 14->25 injected 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        33 conhost.exe 23->33         started        process8 dnsIp9 48 extreme25.com 50.70.252.135, 49730, 49731, 49732 SHAWCA Canada 25->48 50 www.capex-to-opex.net 89.31.143.1, 49714, 49715, 49716 QSC-AG-IPXDE Germany 25->50 52 21 other IPs or domains 25->52 78 System process connects to network (likely due to code injection or exploit) 25->78 80 Performs DNS queries to domains with low reputation 25->80 35 rundll32.exe 13 25->35         started        38 WWAHost.exe 25->38         started        signatures10 process11 signatures12 62 Tries to steal Mail credentials (via file / registry access) 35->62 64 Tries to harvest and steal browser information (history, passwords, etc) 35->64 66 Modifies the context of a thread in another process (thread injection) 35->66 68 Maps a DLL or memory area into another process 35->68
Threat name:
ByteCode-MSIL.Trojan.LokiBot
Status:
Malicious
First seen:
2022-11-09 15:16:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fswe rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
480fee0db2c67fa005d4827ff5b5269d8fb0722ebe9a2e23202e572f57cd249a
MD5 hash:
57cd43facf1ba79cfb7696dda3d5d2a9
SHA1 hash:
8ceab353af0094c4db027db444cc8ba19e756593
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
f29a7ee44b8c31c1a3f296b79df3f41d9146d2f6c55c7e5c1f4398b1ca8d3b20
MD5 hash:
39e38bb25b009100b4ecf29db33bd968
SHA1 hash:
614e9a04f5992bf088c754e13e4fa1e295e9bd05
SH256 hash:
a2d10d3cacd717b6cd521f368a94b3c77b804706953b8bca58cb6991e269b89e
MD5 hash:
63977079418c6c7df3aa311673944cbf
SHA1 hash:
64f4afeff76fd77f4fa823a9dc5bd854a7185bb8
SH256 hash:
c5b24538e1064035cccecd93150ed22508c6afacf146baf394cc1ec9c4ad304e
MD5 hash:
524baaa17349f326bb9674345cc61881
SHA1 hash:
7deb0f6229f8c21d2d2d6ef98148f6f257d3ef71
SH256 hash:
e76bb8332c9522fcf0353dfa08cf89d5e2b355cafb62611113d556b6c8a359cc
MD5 hash:
1845eb7f070eac6dd62fc640f1b696d5
SHA1 hash:
79d042a6eb803b15ba70049afc1d0f1b1ccd5098
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
4efed095f398feebacf3ccba9b08d00c398ea52424aca039d89ebd36580c0e96
MD5 hash:
e2456ebb5007adaa4e9d51d09670d950
SHA1 hash:
4f7b8374fdd85afa6a2c2913d40ae17de154f860
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.

Web download

Formbook

Executable exe 4efed095f398feebacf3ccba9b08d00c398ea52424aca039d89ebd36580c0e96

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download

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