MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 105fef1d5e42006e1a9da8c9dab3cabc11909658755c931db357ef6743ed15dc. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 105fef1d5e42006e1a9da8c9dab3cabc11909658755c931db357ef6743ed15dc
SHA3-384 hash: 2de706c5dcf670ed4056625147a75b46f76a8674c3d5464bea7d8247b8584a974a5e45f654cb1c1c5046b2ce0bcd2c2d
SHA1 hash: f9ab6922b662ffb73dea823eb5d55643a904bd88
MD5 hash: 159258ef86fa84534a1975c097304c14
humanhash: south-wolfram-uranus-asparagus
File name:SecuriteInfo.com.Win32.RATX-gen.5153.26657
Download: download sample
Signature Formbook
Create hunting rule
File size:497'152 bytes
First seen:2023-09-05 08:30:45 UTC
Last seen:2023-09-05 14:23:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:ili+dx55UGOiS0bmBhMxfBEPtifpwvwVO2/eTrn/+vsriGObdqNSf32r5:iTjUJiVKBhMgliawVh/en/kXE0i
Threatray 7 similar samples on MalwareBazaar
TLSH T145B49DE2E6C84DE5D82567B19C36AC012267BCAE6871DE8C6C97B1664B737930073D0F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0c0e62726d4c8545 (1 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
302
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.5153.26657
Verdict:
Malicious activity
Analysis date:
2023-09-05 08:35:59 UTC
Tags:
formbook xloader stealer
Link:
https://app.any.run/tasks/471a918f-8a8f-4988-9778-7c618faa8d62

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/446270/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.5153.26657.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64f6e74ac95366b9efff5177/reports/844ad225-e4ac-4df9-98c0-8e96c5dfdced/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/105fef1d5e42006e1a9da8c9dab3cabc11909658755c931db357ef6743ed15dc
Result
Verdict:
MALICIOUS
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/08d26f25-bba1-4fc4-9936-6388f2c1a021
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1303370
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1303370 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 05/09/2023 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 4 other signatures 2->44 9 SecuriteInfo.com.Win32.RATX-gen.5153.26657.exe 1 2->9         started        process3 signatures4 48 Writes to foreign memory regions 9->48 50 Allocates memory in foreign processes 9->50 52 Injects a PE file into a foreign processes 9->52 12 RegAsm.exe 9->12         started        process5 signatures6 54 Maps a DLL or memory area into another process 12->54 56 Queues an APC in another process (thread injection) 12->56 15 ImexAdohZFjYrpvslIchz.exe 12->15 injected process7 process8 17 control.exe 13 15->17         started        signatures9 30 Tries to steal Mail credentials (via file / registry access) 17->30 32 Tries to harvest and steal browser information (history, passwords, etc) 17->32 34 Modifies the context of a thread in another process (thread injection) 17->34 36 Maps a DLL or memory area into another process 17->36 20 explorer.exe 1 17->20 injected 24 ImexAdohZFjYrpvslIchz.exe 17->24 injected process10 dnsIp11 26 www.iran-uk.net 217.160.0.169, 49728, 49729, 49730 ONEANDONE-ASBrauerstrasse48DE Germany 20->26 28 www.tiktokgobalshop.com 199.59.243.224, 49727, 80 BODIS-NJUS United States 20->28 46 System process connects to network (likely due to code injection or exploit) 20->46 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/105fef1d5e42006e1a9da8c9dab3cabc11909658755c931db357ef6743ed15dc/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-09-05 06:48:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cbp66hk6iiag4gu5vde5vm6kxqizbfsyovojghntk7xwoq7ncxoa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01b15d113f147c931149f8d1c883bbad3c3752cba08a96855774d21a3bb6e44a
Formbook
32119baabd1fab988ebaf2f5692f46c797902e94b52729c27f30f8e579feb530
Formbook
6372a7f93d8048d9105f81e38d773bffd87ab441e8354bc2100ca781d9b43037
Formbook
c7d4fd24bc684b1d6132f8435cba9c9120df5a08dee714985e94ef4caae17a72
Formbook
fd39da24e0cecd5d485b4242854f6111a89b0a9359639a1c3c0abb87b75fffb1
Formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230905-kepwmseb9z/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
048b690344c2f9b264f4099b71485a2c94848990d4899408aded95235a43c27f
MD5 hash:
6918c91ea7f6cde9d6bec1d4d88cf0fd
SHA1 hash:
08c8401f65c16de47f99992661228dd71d4bbe4a
Link:
https://www.unpac.me/results/ce0b6207-4055-499b-bb2b-c9831bfc897d/
SH256 hash:
b39991e0cf1630a6fb51e58475485017cb871bca1a115835abf895df24f18dde
MD5 hash:
fa4f67bc731fc3c41fb6d2609a7ddd76
SHA1 hash:
a7b387ac011f0ac1a6ce602c9bc30d89d487f09d
Link:
https://www.unpac.me/results/ce0b6207-4055-499b-bb2b-c9831bfc897d/
SH256 hash:
e696e87dbc3a210d3a128158ff91428a9966a62669729772780a173efc66d46f
MD5 hash:
55e156d0ee172349204284c5fd75879e
SHA1 hash:
24a3aca8f3504c22c4ed8fd1324e84de066d8a65
Link:
https://www.unpac.me/results/ce0b6207-4055-499b-bb2b-c9831bfc897d/
SH256 hash:
105fef1d5e42006e1a9da8c9dab3cabc11909658755c931db357ef6743ed15dc
MD5 hash:
159258ef86fa84534a1975c097304c14
SHA1 hash:
f9ab6922b662ffb73dea823eb5d55643a904bd88
Link:
https://www.unpac.me/results/ce0b6207-4055-499b-bb2b-c9831bfc897d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/105fef1d5e42/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/105fef1d5e42006e1a9da8c9dab3cabc11909658755c931db357ef6743ed15dc

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/446270/

Comments