gcleaner | 67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c

General

Target
67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c.exe
Size 393KB
Sample240605-bz1dfabb36
SHA256 67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c
MD5 aba7110d8d90b3c02dfb382aba547656
SHA1 a7a244d4963e2f97a4f05f7c838fb560607c42bf
SHA512 9a0cdec3d38bd586e5ef613ca464dc5be111fc2c769ac27e163e6d5fcf04bcb28372276b38a5f39b168d9823e9de0bc9210c13c00e3ff2bda9a3868bb1552d57
SSDEEP 6144:ILERbKY9n3n7/iBUHZP07LQk6XaVL/F9/UEaYrY5zGsXk:IgVKYB3n70qt07L4XgF985SK
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90
5.42.64.56
185.172.128.69

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 10 IoCs

pid	pid_target	Process	procid_target
1680	3004	WerFault.exe	81
3200	3004	WerFault.exe	81
4948	3004	WerFault.exe	81
2416	3004	WerFault.exe	81
1212	3004	WerFault.exe	81
4372	3004	WerFault.exe	81
3252	3004	WerFault.exe	81
2648	3004	WerFault.exe	81
4432	3004	WerFault.exe	81
1400	3004	WerFault.exe	81

Kills process with taskkill 1 IoCs

evasion

pid	Process
3536	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3536	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 4624	3004	67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c.exe	113
PID 3004 wrote to memory of 4624	3004	67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c.exe	113
PID 3004 wrote to memory of 4624	3004	67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c.exe	113
PID 4624 wrote to memory of 3536	4624	cmd.exe	117
PID 4624 wrote to memory of 3536	4624	cmd.exe	117
PID 4624 wrote to memory of 3536	4624	cmd.exe	117

C:\Users\Admin\AppData\Local\Temp\67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c.exe
"C:\Users\Admin\AppData\Local\Temp\67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 452
  2⤵
  - Program crash
  PID:1680
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 764
  2⤵
  - Program crash
  PID:3200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 784
  2⤵
  - Program crash
  PID:4948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 828
  2⤵
  - Program crash
  PID:2416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 836
  2⤵
  - Program crash
  PID:1212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 928
  2⤵
  - Program crash
  PID:4372
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 940
  2⤵
  - Program crash
  PID:3252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 1148
  2⤵
  - Program crash
  PID:2648
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 1592
  2⤵
  - Program crash
  PID:4432
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4624
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "67de2ad9d305bc91a816b916de81445ab62689acf99c1ce75b9fe436258c741c.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 1704
  2⤵
  - Program crash
  PID:1400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3004 -ip 3004
1⤵
PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3004 -ip 3004
1⤵
PID:868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3004 -ip 3004
1⤵
PID:4552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3004 -ip 3004
1⤵
PID:2464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3004 -ip 3004
1⤵
PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3004 -ip 3004
1⤵
PID:4532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3004 -ip 3004
1⤵
PID:3228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3004 -ip 3004
1⤵
PID:3664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3004 -ip 3004
1⤵
PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3004 -ip 3004
1⤵
PID:4908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\CMPDKH9Q\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/3004-1-0x0000000001DE0000-0x0000000001EE0000-memory.dmp

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memory/3004-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/3004-2-0x0000000001D60000-0x0000000001D9C000-memory.dmp

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memory/3004-8-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/3004-15-0x0000000000400000-0x0000000001BDD000-memory.dmp

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memory/3004-19-0x0000000001DE0000-0x0000000001EE0000-memory.dmp

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memory/3004-24-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/3004-34-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/3004-33-0x0000000000400000-0x0000000001BDD000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads