MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60
SHA3-384 hash: 9a49c362c68c6ff97ca709f5f8ef9167a1acda288676d67ac467559d575e12a898bedf35b3c20acc1b722c18d14d5365
SHA1 hash: c220f6cc596230f6436c32234a9d01444882f310
MD5 hash: 00549eb533dc1781660d59c4482e9b53
humanhash: william-jupiter-angel-muppet
File name:Quotation-pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'065'472 bytes
First seen:2022-03-29 03:18:09 UTC
Last seen:2022-03-29 13:06:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:dgeOnFB17NvmeUm4ELzZpga6qGrJF5V3gKQe8:dgeOnfj4W37g8YFvT
Threatray 14'783 similar samples on MalwareBazaar
TLSH T14035021417E88652EABD9BFEE4B440014B35B42721B7E31D96C2A4EE0F733C68A5B357
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/258847/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.31509.2231.UNOFFICIAL
Create hunting rule

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
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/62427aa6a19c649412a35af0/reports/6d627fa2-12f9-483b-b622-2426ba390073/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/510d2e56-b620-4e4b-bcbf-9d795248e01b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966311
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 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)
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
Self deletion via cmd delete
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598802 Sample: Quotation-pdf.exe Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 11 other signatures 2->54 10 Quotation-pdf.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\VThOyGoh.exe, PE32 10->36 dropped 38 C:\Users\...\VThOyGoh.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpCB3B.tmp, XML 10->40 dropped 42 C:\Users\user\...\Quotation-pdf.exe.log, ASCII 10->42 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 10->58 60 Adds a directory exclusion to Windows Defender 10->60 62 Tries to detect virtualization through RDTSC time measurements 10->62 64 Injects a PE file into a foreign processes 10->64 14 Quotation-pdf.exe 10->14         started        17 powershell.exe 24 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Sample uses process hollowing technique 14->78 80 Queues an APC in another process (thread injection) 14->80 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 44 www.99bjl99.com 156.245.201.159, 49826, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 21->44 46 www.indishjo.com 21->46 56 System process connects to network (likely due to code injection or exploit) 21->56 29 chkdsk.exe 21->29         started        signatures10 process11 signatures12 66 Self deletion via cmd delete 29->66 68 Modifies the context of a thread in another process (thread injection) 29->68 70 Maps a DLL or memory area into another process 29->70 72 Tries to detect virtualization through RDTSC time measurements 29->72 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-03-29 03:19:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nokst34vqltt2swhxrr5i26rkkq3zckm46atbc4htdvjncjrfzqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
074135bb9026efbce79d86f3cf9f6eeb7304905cad07d594e3453eeed6f187de
Formbook
36fab6d728571d3da4184d3335a8263dd47f1bfa573ca762360958eb11c4c874
Formbook
3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6
Formbook
67db5982545c91192a7c4fcaa3cbe5324de3e69faa1af275b05926d80eda889d
Formbook
92e4964a6f237d0ac0e881fbdb1ed93a46e78cead4894fbd9667a00a80b96da7
Formbook
a2d7a6453efd6b8c31af2e225ae7f93064d44fe328b5bb2e530d820e5e6ca5f8
Formbook
bc09ecf5cb6364f4d053ec0420282fa6e7a1649a8a5ca2af2ca933aa27f8b90c
Formbook
c4a3914ac9102ab0d688d9ea29c833ca8f41aef33ee6aa4fb384113f9250c743
Formbook
dc398f97c7c248ee6e669cb910b617224c1da4eb8338a37fc4ed812784f83a24
Formbook
e14df53adff2889344d4502133a00a389e06039715c26a7724ed3f046fc683a1
Formbook
+ 14'773 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o0i7 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220329-dt6pdaehfq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0dd9623e53597656bf225ec182197137b77b54f475f386f57b563ea9d2f7d243
MD5 hash:
d81057c81549d2d721394f92d36dc407
SHA1 hash:
77405f30b5b7a678b2f23b65ee5805c5e31ae031
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8d26e381-07c0-4930-a0b3-d223fbc17b72/
Parent samples :
633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414
e92ff5ee8d681a705f2fe24cd61375479b2221cf29738439839ce8ee5f3f9c5f
41573d104263a727eca5295cd59bf91c93d2a24ddb024d84f97244bc120036e2
81626ff8f2f5eb89a55ac197d51ab0d35c33e0607c9fd2a7077ac834a1a5c926
6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60
0082123fa15fb43d060c2f764bdd9f31a19e53b185e5f6de37d1dfec2f59504f
91bde3e248b2850a4c78027106d8b4c0b6ba2604fd08a0a14fb45b8a1b285611
ca7d37a30904725a82277567c30ba0fe5b441dad6d86d48afc3a954e8fdbd78f
044dd751a59cd849c84966a8ec5a6f65435cbd39af7696029a3ef2583819d1f4
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/8d26e381-07c0-4930-a0b3-d223fbc17b72/
SH256 hash:
85959f5da3b9bf904d0224b2b079e0831c33cfc28f2a981e706961eb51edd0ca
MD5 hash:
3f6ffe505067e82a3aadff2b2980afd3
SHA1 hash:
4fd04eccad81eb0f398c0e55c3f621e8e64c91a9
Link:
https://www.unpac.me/results/8d26e381-07c0-4930-a0b3-d223fbc17b72/
SH256 hash:
d61e864e9d2378d73c5e37a7af5ae1a1b719e1db9d0ee9cd732891f6effe25cd
MD5 hash:
42a47c89859a9d51b4c54010fc770194
SHA1 hash:
26809dca5cd6aabb5d5913678fc2b04215053fa9
Link:
https://www.unpac.me/results/8d26e381-07c0-4930-a0b3-d223fbc17b72/
SH256 hash:
6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60
MD5 hash:
00549eb533dc1781660d59c4482e9b53
SHA1 hash:
c220f6cc596230f6436c32234a9d01444882f310
Link:
https://www.unpac.me/results/8d26e381-07c0-4930-a0b3-d223fbc17b72/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6b9529ef9582/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60

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
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 6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/258847/

Comments