gcleaner | 9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5

General

Target

9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe
Size

267KB
MD5

0afa53d803373c11a881b62d87a1a94c
SHA1

d487534e1ac395a4733432952226e2f71fb44c48
SHA256

9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5
SHA512

f5855758ea368d1a11d2e546b3e73086809232259a30aff51d68761da1a3bc8dcc62e9fa508a8b864f5a073a728c61406fcd163562944849f15aa12a579f4850
SSDEEP

6144:nDKYzzaDV6jRyLmgomqi3I08Q2ZvquhTWUrY:nnzOxgRbbmd49NZZ

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

System Information Discovery
T1082

Program crash 10 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
1796	3168	WerFault.exe	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe
1296	3168	WerFault.exe	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe
572	3168	WerFault.exe	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe
2956	3168	WerFault.exe	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe
2940	3168	WerFault.exe	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe
1416	3168	WerFault.exe	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe
4588	3168	WerFault.exe	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe
2924	3168	WerFault.exe	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe
3332	3168	WerFault.exe	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe
4516	3168	WerFault.exe	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3080 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3080 taskkill.exe

pid	process
3080	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3080	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.execmd.exe

description	pid	process	target process
PID 3168 wrote to memory of 452	3168	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe	cmd.exe
PID 3168 wrote to memory of 452	3168	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe	cmd.exe
PID 3168 wrote to memory of 452	3168	9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe	cmd.exe
PID 452 wrote to memory of 3080	452	cmd.exe	taskkill.exe
PID 452 wrote to memory of 3080	452	cmd.exe	taskkill.exe
PID 452 wrote to memory of 3080	452	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe
"C:\Users\Admin\AppData\Local\Temp\9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 480
2⤵
- Program crash
PID:1796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 500
2⤵
- Program crash
PID:1296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 780
2⤵
- Program crash
PID:572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 800
2⤵
- Program crash
PID:2956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 800
2⤵
- Program crash
PID:2940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 852
2⤵
- Program crash
PID:1416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 976
2⤵
- Program crash
PID:4588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 1092
2⤵
- Program crash
PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 1444
2⤵
- Program crash
PID:3332

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "9c65ea2cf49383876118b387d4a74106f7acf9e8c5527234a75e7d6714cefeb5.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 1400
2⤵
- Program crash
PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3168 -ip 3168
1⤵
PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3168 -ip 3168
1⤵
PID:2180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3168 -ip 3168
1⤵
PID:472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3168 -ip 3168
1⤵
PID:2316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3168 -ip 3168
1⤵
PID:2140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3168 -ip 3168
1⤵
PID:3992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3168 -ip 3168
1⤵
PID:748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3168 -ip 3168
1⤵
PID:2820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3168 -ip 3168
1⤵
PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3168 -ip 3168
1⤵
PID:2952

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3168-1-0x0000000002E40000-0x0000000002F40000-memory.dmp

Filesize
1024KB

Download
memory/3168-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3168-2-0x00000000049B0000-0x00000000049EC000-memory.dmp

Filesize
240KB

Download
memory/3168-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3168-6-0x0000000000400000-0x0000000002CA1000-memory.dmp

Filesize
40.6MB

Download

Analysis

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