6db9f6442d46fbde0953f8bfbc36bd714e5e31a62f927563594cafd60724d3e0

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 20:59

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General

Target

$_32_/1-LGS-x64/Setup.exe
Size

118.1MB
MD5

5217f677000ea8c475eea1131163076c
SHA1

d76425f38d1869106a33c4c406ba3e5cba1c344f
SHA256

034c3d6537e802c6eaf3b40aca1f6242888a5091a51eec509f46815c75edc681
SHA512

9a620bdf8e44f51197b91c2c1822bebac2f55818b15dbf2f072514a74f46b9245fb8099ec1179ebf875d24c894247074d7630b0f6a3a0538065ae43063122efd
SSDEEP

3145728:0isR3UqWFXT54Abwop3Nfbv1FYBqQaYuvZU8PzZdzNOWeY:0isR37K4A0MVtFcBQXzr

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1664	vcredist.exe
2832	vcredist.exe

Loads dropped DLL 9 IoCs

pid	Process
1664	vcredist.exe
2832	vcredist.exe
1716	WerFault.exe
1716	WerFault.exe
1716	WerFault.exe
1716	WerFault.exe
1716	WerFault.exe
1716	WerFault.exe
1716	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\{050d4fc8-5d48-4b8f-8972-47c82c46020f} = "\"C:\\ProgramData\\Package Cache\\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\\vcredist_x64.exe\" /burn.runonce"	vcredist.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File opened for modification	C:\Windows\WindowsUpdate.log	vcredist.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1716	2832	WerFault.exe	29

Modifies data under HKEY_USERS 43 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe

Modifies registry class 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\Version = "12.0.30501.0"	vcredist.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\DisplayName = "Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501"	vcredist.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\Dependents\{050d4fc8-5d48-4b8f-8972-47c82c46020f}	vcredist.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Installer\Dependencies\Microsoft.VS.VC_RuntimeMinimumVSU_amd64,v12	vcredist.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\Microsoft.VS.VC_RuntimeMinimumVSU_amd64,v12\Dependents\{050d4fc8-5d48-4b8f-8972-47c82c46020f}	vcredist.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Installer\Dependencies\{050d4fc8-5d48-4b8f-8972-47c82c46020f}	vcredist.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\ = "{050d4fc8-5d48-4b8f-8972-47c82c46020f}"	vcredist.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\Dependents	vcredist.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Installer\Dependencies\Microsoft.VS.VC_RuntimeAdditionalVSU_amd64,v12	vcredist.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\Microsoft.VS.VC_RuntimeAdditionalVSU_amd64,v12\Dependents\{050d4fc8-5d48-4b8f-8972-47c82c46020f}	vcredist.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeBackupPrivilege	2188	vssvc.exe
Token: SeRestorePrivilege	2188	vssvc.exe
Token: SeAuditPrivilege	2188	vssvc.exe
Token: SeRestorePrivilege	548	DrvInst.exe
Token: SeRestorePrivilege	548	DrvInst.exe
Token: SeRestorePrivilege	548	DrvInst.exe
Token: SeRestorePrivilege	548	DrvInst.exe
Token: SeRestorePrivilege	548	DrvInst.exe
Token: SeRestorePrivilege	548	DrvInst.exe
Token: SeRestorePrivilege	548	DrvInst.exe
Token: SeLoadDriverPrivilege	548	DrvInst.exe
Token: SeLoadDriverPrivilege	548	DrvInst.exe
Token: SeLoadDriverPrivilege	548	DrvInst.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 1664	1624	Setup.exe	28
PID 1624 wrote to memory of 1664	1624	Setup.exe	28
PID 1624 wrote to memory of 1664	1624	Setup.exe	28
PID 1624 wrote to memory of 1664	1624	Setup.exe	28
PID 1624 wrote to memory of 1664	1624	Setup.exe	28
PID 1624 wrote to memory of 1664	1624	Setup.exe	28
PID 1624 wrote to memory of 1664	1624	Setup.exe	28
PID 1664 wrote to memory of 2832	1664	vcredist.exe	29
PID 1664 wrote to memory of 2832	1664	vcredist.exe	29
PID 1664 wrote to memory of 2832	1664	vcredist.exe	29
PID 1664 wrote to memory of 2832	1664	vcredist.exe	29
PID 1664 wrote to memory of 2832	1664	vcredist.exe	29
PID 1664 wrote to memory of 2832	1664	vcredist.exe	29
PID 1664 wrote to memory of 2832	1664	vcredist.exe	29
PID 2832 wrote to memory of 1716	2832	vcredist.exe	34
PID 2832 wrote to memory of 1716	2832	vcredist.exe	34
PID 2832 wrote to memory of 1716	2832	vcredist.exe	34
PID 2832 wrote to memory of 1716	2832	vcredist.exe	34

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\$_32_\1-LGS-x64\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\$_32_\1-LGS-x64\Setup.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\LGS-9.04.49\vcredist.exe
  C:\Users\Admin\AppData\Local\Temp\LGS-9.04.49/vcredist.exe /q
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Users\Admin\AppData\Local\Temp\LGS-9.04.49\vcredist.exe
    "C:\Users\Admin\AppData\Local\Temp\LGS-9.04.49\vcredist.exe" /q -burn.unelevated BurnPipe.{26A81ACF-4933-4EEE-907C-09AEBBC28BAE} {E4E6366A-2EAD-45A5-9BB4-D4AD766593E0} 1664
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2832
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 348
      4⤵
      Loads dropped DLL
      Program crash
      PID:1716

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2188

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005B0" "000000000000055C"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\LGS-9.04.49\vcredist.exe

Filesize
6.9MB

MD5
96b61b8e069832e6b809f24ea74567ba

SHA1
8bf41ba9eef02d30635a10433817dbb6886da5a2

SHA256
e554425243e3e8ca1cd5fe550db41e6fa58a007c74fad400274b128452f38fb8

SHA512
3a55dce14bbd455808bd939a5008b67c9c7111cab61b1339528308022e587726954f8c55a597c6974dc543964bdb6532fe433556fbeeaf9f8cb4d95f2bbffc12

Download Submit
C:\Users\Admin\AppData\Local\Temp\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\logo.png

Filesize
1KB

MD5
d6bd210f227442b3362493d046cea233

SHA1
ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

SHA256
335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

SHA512
464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.be\vcredist_x64.exe

Filesize
450KB

MD5
e16e6d68ce1949c9721656390f47ce07

SHA1
9009cca5dc05e22f4cf0d8529a473f19b363103b

SHA256
18e6d3d96fcd39ba069c0e6ebc108881ec5bb07e29a24b0177688ce391dac526

SHA512
63a179e4db0cb7954ddc9aee9e3c7aecae9e160154243b248b94647eb8defafb7041ee291f6f880dc3ca7f298dd548e4b3cf0b650e9a7e34f34d2d2f0dd36127

Download Submit
\Users\Admin\AppData\Local\Temp\{050d4fc8-5d48-4b8f-8972-47c82c46020f}\.ba1\wixstdba.dll

Filesize
117KB

MD5
a52e5220efb60813b31a82d101a97dcb

SHA1
56e16e4df0944cb07e73a01301886644f062d79b

SHA256
e7c8e7edd9112137895820e789baaaeca41626b01fb99fede82968ddb66d02cf

SHA512
d6565ba18b5b9795d6bde3ef94d8f7cd77bf8bb69ba3fe7adefb80fc7c5d888cdfdc79238d86a0839846aea4a1e51fc0caed3d62f7054885e8b15fad9f6c654e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads