gcleaner | ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee

General

Target

ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe
Size

399KB
MD5

85f7838e4419fbcd5788d1ac210fbf9d
SHA1

87f07a3a8a282d965c4b36f499502c2d282219fa
SHA256

ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee
SHA512

d5598d004b913ba4de487c70940c50e34d913da6aaf1f9193d0d925985c65a813b46d927c7a4016a870bdfe34bc4a81e2264a885b0d91c5343750e6bb90c1055
SSDEEP

6144:2fLpVxC1KxpSiCjGRm1XiV+LFYLS56S6ow2dQAeT:sdnCcxpSZgmBq+x4S56/o

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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4916 set thread context of 540	4916	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	81

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2076	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 540	4916	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	81
PID 4916 wrote to memory of 540	4916	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	81
PID 4916 wrote to memory of 540	4916	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	81
PID 4916 wrote to memory of 540	4916	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	81
PID 4916 wrote to memory of 540	4916	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	81
PID 4916 wrote to memory of 540	4916	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	81
PID 4916 wrote to memory of 540	4916	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	81
PID 4916 wrote to memory of 540	4916	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	81
PID 4916 wrote to memory of 540	4916	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	81
PID 4916 wrote to memory of 540	4916	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	81
PID 540 wrote to memory of 3872	540	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	85
PID 540 wrote to memory of 3872	540	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	85
PID 540 wrote to memory of 3872	540	ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe	85
PID 3872 wrote to memory of 2076	3872	cmd.exe	87
PID 3872 wrote to memory of 2076	3872	cmd.exe	87
PID 3872 wrote to memory of 2076	3872	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe
"C:\Users\Admin\AppData\Local\Temp\ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Users\Admin\AppData\Local\Temp\ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe
  "C:\Users\Admin\AppData\Local\Temp\ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:540
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c taskkill /im "ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3872
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /im "ce700eebea387c7ea5eb3dbff68130913192a9e91b5211aa4e08079069591aee.exe" /f
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2076

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E9YVC3IR\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/540-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/540-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/540-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/540-6-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/540-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/540-12-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/540-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/540-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4916-2-0x00000000037E0000-0x000000000381C000-memory.dmp

Filesize
240KB

Download
memory/4916-1-0x0000000001E40000-0x0000000001F40000-memory.dmp

Filesize
1024KB

Download

Analysis

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