MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7ccf51f2d0bd36b95108bafb88234937b63e8728ae76ceb663692e402fd1b1d. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7ccf51f2d0bd36b95108bafb88234937b63e8728ae76ceb663692e402fd1b1d
SHA3-384 hash: fd6ccdc284b656c8fdd3a06741a0d514336f180541c887dd05a6b72fb8be9f04095db4b60059b067e616b879203d3c80
SHA1 hash: 605e7554adead7e0acdb42bc2c71fcf47362cdd6
MD5 hash: 0591f31ae644e092572b3298078b35f2
humanhash: carbon-eighteen-item-three
File name:doc101102205.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:266'979 bytes
First seen:2022-11-14 07:26:13 UTC
Last seen:2022-11-14 08:47:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:MEa0NVYNINvAz1wsZUJCj/4bOlOyF/psuotgBfVqB2l3L:XVYnes6CL4bw31NoQ3L
TLSH T1AF441290AA938DE7F14764350AB3C7A6D7B9D9320051419BC324BFBBEF38783A650617
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.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 :
3
# of downloads :
190
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
doc101102205.exe
Verdict:
Malicious activity
Analysis date:
2022-11-14 07:27:43 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/63e51516-caca-4749-b52c-96e441c64f0f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/333632/
Detection(s):
SecuriteInfo.com.Trojan.Siggen19.6414.31776.1233.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult formbook lokibot overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6371edc76fda73cab64db8b8/reports/2d593f07-8139-4e84-a2f8-743130e4148f/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/01d494db-e64b-4387-b8c0-c23240a8760a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1112660
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 745354 Sample: doc101102205.exe Startdate: 14/11/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 4 other signatures 2->51 11 doc101102205.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\hzikunip.exe, PE32 11->31 dropped 14 hzikunip.exe 11->14         started        process5 signatures6 63 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Tries to detect virtualization through RDTSC time measurements 14->67 17 hzikunip.exe 14->17         started        process7 signatures8 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Sample uses process hollowing technique 17->41 43 Queues an APC in another process (thread injection) 17->43 20 explorer.exe 17->20 injected process9 dnsIp10 33 www.idqoft.com 45.199.31.37, 49720, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 20->33 35 www.invissiblefriends.com 20->35 53 System process connects to network (likely due to code injection or exploit) 20->53 55 Uses netsh to modify the Windows network and firewall settings 20->55 24 netsh.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a7ccf51f2d0bd36b95108bafb88234937b63e8728ae76ceb663692e402fd1b1d/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-11-10 13:59:40 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
30 of 39 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u7gpkhznbpjwxfiqrox3rarusn5wh2dsrltwz23gg2joiax5dmoq._file
Verdict:
malicious
Label(s):
formbook
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cobaltstrike
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:b31b rat spyware stealer trojan
Link:
https://tria.ge/reports/221114-h94beaag2z/
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Gathering data
Unpacked files
SH256 hash:
a66e2da012533935070c91c6731f62df773ed605e6f162504661137969092be5
MD5 hash:
9eb7584b39ff8ce0a288f60495590c1d
SHA1 hash:
915d0d229334a59e10ab9f65d72974caf73e49ae
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f2f84053-7683-444c-80f0-f4da7985dda0/
Parent samples :
a7ccf51f2d0bd36b95108bafb88234937b63e8728ae76ceb663692e402fd1b1d
57fe0dae74f8e533c4f38b38d1da6651e9e3569e3d2fbb24285f0e2d33f2e133
68561f9a18130d1f0e2a8ca14b9e9344a7f624bb599a766a5b41e16fd728e192
ad6df53019d5d8930fce4ad4a7e0d15a08d9771b3cff97b7c06bf3df364c17a4
6edd37fb895163628297cdcf7898da03027b960434bcae3404cd9fec27de1012
SH256 hash:
8feffce23deed712688f61a6d3c4ff9349e40918242f800bcfae383300de034b
MD5 hash:
745307997d3c8100665cd027a53910fb
SHA1 hash:
7f6341b6e0e0287d505640fd3c937b395fe8e140
Link:
https://www.unpac.me/results/f2f84053-7683-444c-80f0-f4da7985dda0/
SH256 hash:
a7ccf51f2d0bd36b95108bafb88234937b63e8728ae76ceb663692e402fd1b1d
MD5 hash:
0591f31ae644e092572b3298078b35f2
SHA1 hash:
605e7554adead7e0acdb42bc2c71fcf47362cdd6
Link:
https://www.unpac.me/results/f2f84053-7683-444c-80f0-f4da7985dda0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/a7ccf51f2d0bd36b95108bafb88234937b63e8728ae76ceb663692e402fd1b1d

File information

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

Malspam

Formbook

Executable exe a7ccf51f2d0bd36b95108bafb88234937b63e8728ae76ceb663692e402fd1b1d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/333632/

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