MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b799c685d108001c9d05b2faf48f4a1c0832067c7925c5f90258d224425e2faf. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments

SHA256 hash: b799c685d108001c9d05b2faf48f4a1c0832067c7925c5f90258d224425e2faf
SHA3-384 hash: 4b6397ee5bf258ff5579c2e1041feee7f709e9bce81bc67782ac0bc454d568d30dcc6dcdf543eaa8a5414ea16d3d1950
SHA1 hash: c2682c9660609d8ba714ca96f3b87f282e7b0a6b
MD5 hash: 7581c03582cb6d3bb72e1e11af6bd9b0
humanhash: oscar-yellow-cardinal-december
File name:DHL Shipping Documents.exe
Download: download sample
Signature Formbook
File size:651'264 bytes
First seen:2023-09-14 07:14:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:5q8RG2iNacQwE26NDsh/u42v9U6dyixTRlvMlTpMSHADuv2rxv+xspHzr1+z:5qqG1N6xsBmqUEZg6vm+xuH3
Threatray 1'549 similar samples on MalwareBazaar
TLSH T16CD4CDF924A4D3D6E37A63FF455380348A23BE555075C38E3BBD34980DA6B830A21DB6
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 abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
303
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL Shipping Documents.exe
Verdict:
Malicious activity
Analysis date:
2023-09-14 07:24:34 UTC
Tags:
formbook xloader stealer spyware

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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to modify clipboard data
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 dropped file
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
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected FormBook
Yara detected LodaRat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1307663 Sample: DHL_Shipping_Documents.exe Startdate: 14/09/2023 Architecture: WINDOWS Score: 100 33 www.ungravity.dev 2->33 35 www.kslgd.link 2->35 37 11 other IPs or domains 2->37 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 10 other signatures 2->45 11 DHL_Shipping_Documents.exe 3 2->11         started        signatures3 process4 signatures5 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 14 DHL_Shipping_Documents.exe 11->14         started        process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 17 explorer.exe 4 13 14->17 injected process8 dnsIp9 27 www.pmugly.top 103.156.178.63, 49782, 80 TWIDC-AS-APTWIDCLimitedHK unknown 17->27 29 parkingpage.namecheap.com 198.54.117.215, 49779, 80 NAMECHEAP-NETUS United States 17->29 31 7 other IPs or domains 17->31 20 explorer.exe 17->20         started        process10 signatures11 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2023-09-13 21:55:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cy12 rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
dcd76d8eeb4f5b02d2a760e657d22bff35a0abc02fbe479109d10b0d02786690
MD5 hash:
f0e3a86475b32b0eb73758d22b2b4bb1
SHA1 hash:
3f0bbdfe9406f829c01a8ebc4a82fab72afb75a3
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
SH256 hash:
e415b24a0940772bc6376d7730179788ea079ee212ecb3901a3105529653900e
MD5 hash:
6ea18d7aef1c753fd12a11486fec2d10
SHA1 hash:
07fc1f932d4b439136797c9abdb03744fa10d4dd
SH256 hash:
b799c685d108001c9d05b2faf48f4a1c0832067c7925c5f90258d224425e2faf
MD5 hash:
7581c03582cb6d3bb72e1e11af6bd9b0
SHA1 hash:
c2682c9660609d8ba714ca96f3b87f282e7b0a6b
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:NET
Author:malware-lu
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 b799c685d108001c9d05b2faf48f4a1c0832067c7925c5f90258d224425e2faf

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments