MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63a5b1a6036182a13f517780b33cf425430ff0eb614c85250ae192a82f89b772. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 63a5b1a6036182a13f517780b33cf425430ff0eb614c85250ae192a82f89b772
SHA3-384 hash: fb4f949e0c4569fad118c0f974d6b2901e9f96a5ea80386f724bcffac166d7ae38d489f606d6bc232af5d7006e7ef856
SHA1 hash: 2596ee991f4278a542896def9872bebe4f31156f
MD5 hash: 7b704a5ee3ae82e0197f464ceaa10ea3
humanhash: mockingbird-sink-ten-potato
File name:samizx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:784'384 bytes
First seen:2022-06-21 13:27:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:UvKhO/PqaefLu4v85ErKqw7PGn4gD7jt1Xmo4lbaUVK09Pzwms9y2HkUepwC98g:UvKhy7ef/KdPZe/tWRM
TLSH T161F4E0E87AB0759EC0279473B9942C7CB7D12C2FCB0BD113D153A19DA85EAC78E905A3
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
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/281997/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b1c78508903778452d3481/reports/44e43f7d-6227-4530-8ae3-3bcabf10b704/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4430e581-a69c-40a4-9722-057a74a5b962
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1017160
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 649656 Sample: samizx.exe Startdate: 21/06/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 7 other signatures 2->40 10 samizx.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\samizx.exe.log, ASCII 10->28 dropped 50 Detected unpacking (changes PE section rights) 10->50 52 Detected unpacking (overwrites its own PE header) 10->52 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 samizx.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.xn--venustt-y0ak.com 99.83.154.118, 49861, 80 AMAZON-02US United States 17->30 32 www.vr2.info 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 wscript.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/63a5b1a6036182a13f517780b33cf425430ff0eb614c85250ae192a82f89b772/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-06-21 11:12:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
17 of 26 (65.38%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mos3djqdmgbkcp2ro6algphuevbq74hlmfgikjik4gjkql4jw5za._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g2y4 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220621-qqmtbagac8/
Behaviour
Gathers network information
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
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a43e8194eaae86e70b2e57b2a137585053edf7c96f83a10cf6d3c14e1cdd6efd
MD5 hash:
ed59c13362287ce1aab46b2ef5154e2f
SHA1 hash:
cc9cc4982248a260fb6c064972bd4e29743e1e40
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4556da42-988b-4a0d-bfa3-ae6ae164ad21/
Parent samples :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 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
Link:
https://www.unpac.me/results/4556da42-988b-4a0d-bfa3-ae6ae164ad21/
SH256 hash:
e08513d9cf7809be6493293dc9d025abc508c76fefefa1b0d1486af3a25a8a3d
MD5 hash:
efd3fc9ad3e1dd853b34ef81ddc15aff
SHA1 hash:
bae19c64eb356ad0e182c677f244ac319fdb6ab9
Link:
https://www.unpac.me/results/4556da42-988b-4a0d-bfa3-ae6ae164ad21/
SH256 hash:
edc0a50ded46d0ffa833d15a87c81a8048c3385d45383869e7ceb81ef046b9a7
MD5 hash:
324e20f9960a3c9cb4da0cea353e5259
SHA1 hash:
80f14c70b70fde165eca9078be54ef0ab2576595
Link:
https://www.unpac.me/results/4556da42-988b-4a0d-bfa3-ae6ae164ad21/
SH256 hash:
63a5b1a6036182a13f517780b33cf425430ff0eb614c85250ae192a82f89b772
MD5 hash:
7b704a5ee3ae82e0197f464ceaa10ea3
SHA1 hash:
2596ee991f4278a542896def9872bebe4f31156f
Link:
https://www.unpac.me/results/4556da42-988b-4a0d-bfa3-ae6ae164ad21/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/63a5b1a60361/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/63a5b1a6036182a13f517780b33cf425430ff0eb614c85250ae192a82f89b772

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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/281997/

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