MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 993f460a289cf97fdf275eec6b4d1f61fda5f252637f445747cb4d5ee04527d2. 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 4 File information Comments
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SHA256 hash: 993f460a289cf97fdf275eec6b4d1f61fda5f252637f445747cb4d5ee04527d2
SHA3-384 hash: bfb00d02ed6d4418c67b40c6cbcf190a6dc0e798861c9b9993152767cf838efa81a7c450cc69fdad7a43e2c221c66cc4
SHA1 hash: 05da96a7f083236e7875e640f02e776e8fa818d6
MD5 hash: 9673d8f78c479fc05c10b9b3e56caa6e
humanhash: table-batman-winter-south
File name:PI21922OLS.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:448'512 bytes
First seen:2022-06-20 06:17:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'839 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 12288:4WMChRI3j/05ChWmGUEZMLiCuJtB9PBktqaH:4WMaRLOG7MmCQB9P6tqaH
TLSH T1719412482FF8D35AC5776BFC2293419093706E2AA407F3888ED5B0EF04B5B6949E6753
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)
File icon (PE):PE icon
dhash icon d4aae8cce8b296cc (16 x AgentTesla, 10 x Loki, 7 x FormBook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/281432/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b01159089037784528f1bc/reports/bd359ebd-5000-4f2d-99fe-e59193804f05/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/1bd2a1e6-8047-41cf-9940-6b5449979482
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016088
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
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 dnsIp2 2 Behavior Graph ID: 648584 Sample: PI21922OLS.exe Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 30 www.ewenleung.com 2->30 32 www.cryptosupermine.com 2->32 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Yara detected AntiVM3 2->40 42 3 other signatures 2->42 11 PI21922OLS.exe 3 2->11         started        signatures3 process4 signatures5 50 Tries to detect virtualization through RDTSC time measurements 11->50 52 Injects a PE file into a foreign processes 11->52 14 PI21922OLS.exe 11->14         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.ewenleung.com 155.235.2.76, 80 ASIANETGB South Africa 17->28 34 System process connects to network (likely due to code injection or exploit) 17->34 21 explorer.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:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/993f460a289cf97fdf275eec6b4d1f61fda5f252637f445747cb4d5ee04527d2/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-20 01:17:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=te7umcritt4x7xzhl3wgwti7mh62l4ssmn7uiv2hzngv5ycfe7ja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ges0 loader rat suricata
Link:
https://tria.ge/reports/220620-g2lkysbbb6/
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
Deletes itself
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
38ae22032e6177fecf2363688ebb7d87feaaf061dc85d510f225751aaa74539e
MD5 hash:
879d4cc7fcb522cec544e5ca271ccb64
SHA1 hash:
29a1ffe01fad0ff25c6d31b2d0857465a4c3b468
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/de75e0cf-56af-4212-8667-9e6a3d7614ab/
Parent samples :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 hash:
883dddd8cbb0fdb4da84b2243a63f9448c7f18759c4929dbbdf3e4fa3b1e1831
MD5 hash:
3947413c0d55f76c7feeb04db1da244c
SHA1 hash:
c84f89a3b006817261efc51bd6a9a059a7043cf3
Link:
https://www.unpac.me/results/de75e0cf-56af-4212-8667-9e6a3d7614ab/
SH256 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
Link:
https://www.unpac.me/results/de75e0cf-56af-4212-8667-9e6a3d7614ab/
SH256 hash:
87b8f18b86c6011a91db5dfc25e68b79d4691acbae9c4b1dec3496e6dc8da4a6
MD5 hash:
d508071cea191c207df0cca6171b1cb3
SHA1 hash:
87b4d3e513d1e321c237baa0290ae74e87f1042d
Link:
https://www.unpac.me/results/de75e0cf-56af-4212-8667-9e6a3d7614ab/
SH256 hash:
993f460a289cf97fdf275eec6b4d1f61fda5f252637f445747cb4d5ee04527d2
MD5 hash:
9673d8f78c479fc05c10b9b3e56caa6e
SHA1 hash:
05da96a7f083236e7875e640f02e776e8fa818d6
Link:
https://www.unpac.me/results/de75e0cf-56af-4212-8667-9e6a3d7614ab/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/993f460a289c/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/993f460a289cf97fdf275eec6b4d1f61fda5f252637f445747cb4d5ee04527d2

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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 993f460a289cf97fdf275eec6b4d1f61fda5f252637f445747cb4d5ee04527d2

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/281432/

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