MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 94dab2dcd48fb66d3a0836a2711083a5ee738603de0b47fecfed4e23711def16. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments

SHA256 hash: 94dab2dcd48fb66d3a0836a2711083a5ee738603de0b47fecfed4e23711def16
SHA3-384 hash: 75db6a4f5ddb28a162ccf4b3df73a50087b9fc14a0d8f034a3bd42f43104fb7b947dc9f291474525673c9dee3320999c
SHA1 hash: e35638355d1143788eae2619a3e8f97f66b60ef9
MD5 hash: 082b881b9bcb11ca35030eae75d8bd3f
humanhash: nuts-triple-lactose-ten
File name:ssk.pdf.exe
Download: download sample
Signature Formbook
File size:269'759 bytes
First seen:2023-02-22 12:34:37 UTC
Last seen:2023-02-22 14:42:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6Ll9VcWtSTJB5bLMIBWhaGWgf3w6oBwxma06iseiDwkXE:/YRDyWyJBJHBufWgo6o2QbsAk0
Threatray 1'841 similar samples on MalwareBazaar
TLSH T1D844121457E4E1A3E2938F721E3F47938A74F91628B4F34713D26B69BA13643CD0AB52
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
214
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
ssk.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-22 12:35:09 UTC
Tags:
formbook xloader 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 file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
overlay packed shell32.dll
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
Detected unpacking (changes PE section rights)
Initial sample is a PE file and has a suspicious name
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 virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 813387 Sample: ssk.pdf.exe Startdate: 22/02/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 11 ssk.pdf.exe 19 2->11         started        process3 file4 33 C:\Users\user\AppData\Local\Temp\ieqife.exe, PE32 11->33 dropped 14 ieqife.exe 1 11->14         started        process5 signatures6 65 Detected unpacking (changes PE section rights) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Tries to detect virtualization through RDTSC time measurements 14->69 17 ieqife.exe 14->17         started        20 conhost.exe 14->20         started        process7 signatures8 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Sample uses process hollowing technique 17->45 47 Queues an APC in another process (thread injection) 17->47 22 explorer.exe 2 6 17->22 injected process9 dnsIp10 35 www.avnetts.com 23.27.72.158, 49684, 80 EGIHOSTINGUS United States 22->35 37 www.eqde.ru 22->37 39 www.defrag.team 22->39 57 System process connects to network (likely due to code injection or exploit) 22->57 26 mstsc.exe 22->26         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
Win32.Trojan.Babar
Status:
Malicious
First seen:
2023-02-22 12:35:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:me29 rat spyware stealer trojan
Behaviour
Gathers network information
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
e9ef1ab64f19a9e5ccc8a8a733b84986628ec255a1648bd7cbdb39b0aea45186
MD5 hash:
c11eb8199b8f5c099320790fc442fbb9
SHA1 hash:
ba0949c32b6b2bb501712bef742395cbdb10aec7
SH256 hash:
94dab2dcd48fb66d3a0836a2711083a5ee738603de0b47fecfed4e23711def16
MD5 hash:
082b881b9bcb11ca35030eae75d8bd3f
SHA1 hash:
e35638355d1143788eae2619a3e8f97f66b60ef9
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe 94dab2dcd48fb66d3a0836a2711083a5ee738603de0b47fecfed4e23711def16

(this sample)

  
Delivery method
Distributed via e-mail attachment

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