MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c74b93b1aa4aaccbef0f11ab5466e2bb801a284b4c5d2d94d9c010b00931763. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c74b93b1aa4aaccbef0f11ab5466e2bb801a284b4c5d2d94d9c010b00931763
SHA3-384 hash: 29792adddcc43b159fb1306fd34c3d19de18000087967adcab6e0553fa0279ea363c994a7d0d8c8b899c8b02ca856359
SHA1 hash: 5f223b9a3c00789baf089c7a9b9068a5dd6b3e39
MD5 hash: 82b558699eeed6577cd8a6ca9d474eab
humanhash: delta-beer-uncle-eighteen
File name:SecuriteInfo.com.MSIL.GenericKDS.61009645.tr.21601.2452
Download: download sample
Signature Formbook
Create hunting rule
File size:880'640 bytes
First seen:2024-03-11 02:27:21 UTC
Last seen:2024-03-11 19:50:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:eUdLPloPsUgadoO7uX6gdt+ViubZgrcyOi6la:eyPloPmadoO7Rgdt+Abr/
TLSH T1701502F0F5A5B743C0A25BBA5B50D02516613C7E60A6CBDDEA903EDDBDB6308064FA43
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
527
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1c74b93b1aa4aaccbef0f11ab5466e2bb801a284b4c5d2d94d9c010b00931763.exe
Verdict:
Suspicious activity
Analysis date:
2024-03-11 02:30:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e3438fa3-adbf-4267-8194-8d1d5ec6eb66

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/478457/
Detection(s):
SecuriteInfo.com.MSIL.GenericKDS.61009645.tr.21601.2452.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Sending an HTTP GET request
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65ee6c3383a3efb188d04a39/reports/e0e0f921-c88c-43cf-9136-18cc4be6a5a8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1c74b93b1aa4aaccbef0f11ab5466e2bb801a284b4c5d2d94d9c010b00931763
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.
Malware family:
MSIL Injector
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5de9ec89-c4a8-4676-91dd-dadf9361e2ed
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1406290
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1c74b93b1aa4aaccbef0f11ab5466e2bb801a284b4c5d2d94d9c010b00931763
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c74b93b1aa4aaccbef0f11ab5466e2bb801a284b4c5d2d94d9c010b00931763/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-03-11 00:03:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dr2lsoy2usvmzpxq6enlkrtofo4adiuewtc5fwkntqaqwaetc5rq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240311-cxz6bsac22/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
78d6d8fd9900196806296a6f6ba9f6ff821e69761284ed08e4d2cb5ba68d5edd
MD5 hash:
c911ccbfe23a3f3835377090673f24d9
SHA1 hash:
da26b2a0c791df1ba9c21953567ce992997ddb08
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6093d8ed-8d89-49ff-af3e-d5aeeca4bffc/
Parent samples :
d80d15764111eb80aa6f43d95f3effa13eb47c43937a578d78692769953defc0
0b635b5bcfdf7f115415cd72598cb387441cb7d0fcd2ad3937737fc01c05ca5c
d7eab9eb726b311e97b0c71522363b9223f767f7474c5cbf4d9bf0df9c4b909d
1c74b93b1aa4aaccbef0f11ab5466e2bb801a284b4c5d2d94d9c010b00931763
99508e1f259485c8c1a9b8a6b60c2fa9355caabd41e6c78854252cfa397673b7
SH256 hash:
b3f2bcb08ae6ed77b51186dc73ac27afc31c9e3b175914fbc7e932a053024057
MD5 hash:
8edcf081ada9f28a2722afb40ac6e099
SHA1 hash:
9a1d6568a6063fccac7eef51a12cbdaa81b82262
Link:
https://www.unpac.me/results/6093d8ed-8d89-49ff-af3e-d5aeeca4bffc/
SH256 hash:
06a1ae787e808d6287de314be8bec64ef2e0d3bc1bf2ea71ae268c7b8fb19e2d
MD5 hash:
91b39e533d48f5fa25ac604da90b3d8d
SHA1 hash:
f5dadf1e8fcbe64609e4cd78a27e2810f7a6e69e
Link:
https://www.unpac.me/results/6093d8ed-8d89-49ff-af3e-d5aeeca4bffc/
SH256 hash:
c8c1020fe926cc1851b73c1915ad32e2fc393dccb402782aca8f4ea6379ba84d
MD5 hash:
ef7cf89d9ec52b18a8f5b6ee49820f46
SHA1 hash:
dcf9cb9bb3f72ca4b3cc0c00b27bd9ce10b554bb
Link:
https://www.unpac.me/results/6093d8ed-8d89-49ff-af3e-d5aeeca4bffc/
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/6093d8ed-8d89-49ff-af3e-d5aeeca4bffc/
SH256 hash:
42d598f996babf74a7774385e5f62b5dddceee640d670c90d3966cfa15c6da48
MD5 hash:
a917096f1b3ad1bf208bb024ebbff5fd
SHA1 hash:
b040e99f1ac722f1c3c9f67031099c65258656e5
Link:
https://www.unpac.me/results/6093d8ed-8d89-49ff-af3e-d5aeeca4bffc/
SH256 hash:
1c74b93b1aa4aaccbef0f11ab5466e2bb801a284b4c5d2d94d9c010b00931763
MD5 hash:
82b558699eeed6577cd8a6ca9d474eab
SHA1 hash:
5f223b9a3c00789baf089c7a9b9068a5dd6b3e39
Link:
https://www.unpac.me/results/6093d8ed-8d89-49ff-af3e-d5aeeca4bffc/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1c74b93b1aa4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/1c74b93b1aa4aaccbef0f11ab5466e2bb801a284b4c5d2d94d9c010b00931763

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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/478457/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments