MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1f38ec0bdb516e190e3141e56aca7dbd611f4c5949974e7d34f600d32afa9d9. 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 3 File information Comments
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SHA256 hash: d1f38ec0bdb516e190e3141e56aca7dbd611f4c5949974e7d34f600d32afa9d9
SHA3-384 hash: 1544eabf39d4d46ab318f5c797eabb60071421453ef118675e0476ee03b678e08380e9a87a807c6e9bb7ec3dc5463f93
SHA1 hash: d2e3f066cacdc18b009238a33e78b7664ee23ff9
MD5 hash: 6e73f7988ad22f69264a75686d3be0be
humanhash: moon-zulu-item-burger
File name:Quote RF-E68-STD-094.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:551'424 bytes
First seen:2022-06-28 05:10:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:cB4f/2iN/2iNYaNClgZBp2gD8N+Q3/yIkJqC3AzC/jT7kPRxliW1:pf/1J1vuA4gD8Nd/yIbC3+CrT7kPRrh
TLSH T138C4124923F90F19E6FB53FA289DA20527B8740DD6D9E52B7EE022EFEC217341160653
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 GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/283753/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Сreating synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Link:
https://www.filescan.io/uploads/62ba8da403fa367ea583c2f9/reports/e950a8e2-9889-42b7-be26-b1efec1a19d4/overview
Result
Verdict:
UNKNOWN
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/094ea02c-20cd-4683-9058-e2adbf39269c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1020885
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in 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 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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 653381 Sample: Quote RF-E68-STD-094.pdf.exe Startdate: 28/06/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected AntiVM3 2->42 44 9 other signatures 2->44 9 Quote RF-E68-STD-094.pdf.exe 3 2->9         started        process3 file4 26 C:\Users\...\Quote RF-E68-STD-094.pdf.exe.log, ASCII 9->26 dropped 46 Writes to foreign memory regions 9->46 48 Allocates memory in foreign processes 9->48 50 Injects a PE file into a foreign processes 9->50 13 RegSvcs.exe 9->13         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 13->52 54 Maps a DLL or memory area into another process 13->54 56 Sample uses process hollowing technique 13->56 58 2 other signatures 13->58 16 control.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 30 Modifies the context of a thread in another process (thread injection) 16->30 32 Maps a DLL or memory area into another process 16->32 34 Tries to detect virtualization through RDTSC time measurements 16->34 22 cmd.exe 1 16->22         started        28 www.bobcatautosales.com 19->28 36 System process connects to network (likely due to code injection or exploit) 19->36 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d1f38ec0bdb516e190e3141e56aca7dbd611f4c5949974e7d34f600d32afa9d9/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-28 01:45:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 40 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2hzy5qf5wulodehdcqpfnlfh3plbd5gfssmxjz6tj5qa2mvpvhmq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:al24 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220628-ft9r5sfcdl/
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
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
7c28e60ca45e3dde00f4139a2ce71973e590584f97f58cb21f2ef22908cbb684
MD5 hash:
6ac6c14fa09c02ca3e45eefe21edc55c
SHA1 hash:
14ba363091d95e02736c14adc7fc9ab283d1f0dd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/0a35aa22-1249-47c6-b8fc-b3550daa133b/
Parent samples :
8087f0066628b05506ff3a2c992e3947b4ff2aea0cabec234385d7eeb6aecbf2
d1f38ec0bdb516e190e3141e56aca7dbd611f4c5949974e7d34f600d32afa9d9
dfe6a5ae6bc3461bd0a415d64594fc84ddb884457522a65db9383de6877c6d6a
SH256 hash:
037a393fdce0f82898b16d86d9bcfdb539abf7cc288910de84ce4db31cee9841
MD5 hash:
b178731bd5921a30cc2376da6ce24097
SHA1 hash:
de43445ba1b90884d47016cbfd9583f246eeb34b
Link:
https://www.unpac.me/results/0a35aa22-1249-47c6-b8fc-b3550daa133b/
SH256 hash:
541eaa97c04f44cfa857a76d36af51504466cf0294d168ce60c41a53cacae732
MD5 hash:
87d07f099381ee5e5a0944fdc93eab1d
SHA1 hash:
dd9bd347308ac0a40b965d4d2d6120e7c45fee51
Link:
https://www.unpac.me/results/0a35aa22-1249-47c6-b8fc-b3550daa133b/
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/0a35aa22-1249-47c6-b8fc-b3550daa133b/
SH256 hash:
d5de6904d75cd692371bce82dc103f86b183532cac7fc2052df424898e08c484
MD5 hash:
e6c4a1c6b4dde694c6a5686e9081a99e
SHA1 hash:
070ee87c21074dc61c073dbf16813a1a7563633a
Link:
https://www.unpac.me/results/0a35aa22-1249-47c6-b8fc-b3550daa133b/
SH256 hash:
d1f38ec0bdb516e190e3141e56aca7dbd611f4c5949974e7d34f600d32afa9d9
MD5 hash:
6e73f7988ad22f69264a75686d3be0be
SHA1 hash:
d2e3f066cacdc18b009238a33e78b7664ee23ff9
Link:
https://www.unpac.me/results/0a35aa22-1249-47c6-b8fc-b3550daa133b/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d1f38ec0bdb5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/d1f38ec0bdb516e190e3141e56aca7dbd611f4c5949974e7d34f600d32afa9d9

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
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 d1f38ec0bdb516e190e3141e56aca7dbd611f4c5949974e7d34f600d32afa9d9

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/283753/

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