MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0c85ba5e6d88e1e0b5f068f125829b4e224b90be2488f2c21317447dc51fb9e. 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
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SHA256 hash: d0c85ba5e6d88e1e0b5f068f125829b4e224b90be2488f2c21317447dc51fb9e
SHA3-384 hash: 39e277782b21d848b017328e62cfa09bc5d1d070c39d69effcc65a84ef3b2fb4eb7cde7d901351f279bbfb3ff249404d
SHA1 hash: 4290f6b300595e807e8cacd5ff172b0a0f37c845
MD5 hash: 1f65d7826fbcc2d6c50f6c493c901588
humanhash: fix-artist-louisiana-snake
File name:vbc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:775'168 bytes
First seen:2022-06-23 15:08:43 UTC
Last seen:2022-06-24 09:02:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:eAsyswrWbz1SFUwFSetkWcGw4FLQ6FiIFJaaASLGId8qQIooSqNuYyZ9ycaOzebP:1FIRSFUYSeq34ZBiKvASL7
TLSH T117F417AC350D31EFCDABC535DA180C68EAA4387F971781177227119EAA4CB87EE151F2
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/282678/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b4824e62d792dc573f556c/reports/291c93aa-3dcf-40a5-88f0-311eda2e1a68/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1dd19171-9f8f-4e1d-8c61-098fd91cb11d
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1018743
Signature
C2 URLs / IPs found in malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 651239 Sample: vbc.exe Startdate: 23/06/2022 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Yara detected AntiVM3 2->34 36 Yara detected FormBook 2->36 38 3 other signatures 2->38 10 vbc.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 10->30 dropped 46 Tries to detect virtualization through RDTSC time measurements 10->46 48 Injects a PE file into a foreign processes 10->48 14 vbc.exe 10->14         started        17 vbc.exe 10->17         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 19 explorer.exe 14->19 injected process8 process9 21 raserver.exe 19->21         started        signatures10 40 Modifies the context of a thread in another process (thread injection) 21->40 42 Maps a DLL or memory area into another process 21->42 44 Tries to detect virtualization through RDTSC time measurements 21->44 24 cmd.exe 1 21->24         started        26 explorer.exe 2 165 21->26         started        process11 process12 28 conhost.exe 24->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d0c85ba5e6d88e1e0b5f068f125829b4e224b90be2488f2c21317447dc51fb9e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-23 15:07:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2defxjpg3chb4c27a2hrewbjwtrcjoil4jei6lbbgf2epxcr7opa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:v4qp loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220623-sjfgrsgdd2/
Behaviour
Modifies Internet Explorer settings
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
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
6ea12b55359130c7abdf7bc1f86ec25ff311c46502331dad11bea0f262ae73db
MD5 hash:
b3511358109c094b05884fa694a48fdc
SHA1 hash:
3c7b92d4def820f949e9676ebc3df71f930905aa
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/067b989d-f198-489f-b291-61927993ea98/
Parent samples :
d0c85ba5e6d88e1e0b5f068f125829b4e224b90be2488f2c21317447dc51fb9e
7ceb258885f4808b552b82920a794af157a4fb463a479468035bee2f79d82159
b64048775efce2b4acc5e62c5871538b46928fa3a38bd7f253c750f309373af6
4b040cd26bcf5a1bbedf762947faa295769ba625fdc334765e732fae81c76ad3
3e066842df7778508238b2459cb55c96aceb7b92fce4bca51459393693a95dee
65cd6a8ac30be5ff3bc96e9a496840df43415bcdc0d5ebff61defe52aed835f1
SH256 hash:
69db0f906049c41efec9ac64d653ca40b92f93e9d449b5611c3735cb46bb3885
MD5 hash:
90fcc54e407aac7610b8cd5dd20256dc
SHA1 hash:
d97db03905beb15931a7cbef41dad983f800ed36
Link:
https://www.unpac.me/results/067b989d-f198-489f-b291-61927993ea98/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/067b989d-f198-489f-b291-61927993ea98/
SH256 hash:
d0c85ba5e6d88e1e0b5f068f125829b4e224b90be2488f2c21317447dc51fb9e
MD5 hash:
1f65d7826fbcc2d6c50f6c493c901588
SHA1 hash:
4290f6b300595e807e8cacd5ff172b0a0f37c845
Link:
https://www.unpac.me/results/067b989d-f198-489f-b291-61927993ea98/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d0c85ba5e6d8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/d0c85ba5e6d88e1e0b5f068f125829b4e224b90be2488f2c21317447dc51fb9e

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/282678/
  
URLhaus
https://urlhaus.abuse.ch/url/2248542/

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