gcleaner | 807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b

General

Target

807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
Size

277KB
MD5

2e20ebbbccfe1fc2f110ca21bfee0738
SHA1

d78cff85b9fae3d2bc471a63b613ff43928f81a9
SHA256

807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b
SHA512

a996b4e65cd628e09a1f0303abcf5c4d127a254e7de414e4a7f898578f5805130b892bfdd476edd90260151a8c0459aaa6cc63442064a7406b0e21bbff6a0d8e
SSDEEP

6144:vL9Y+7mqLGuhtZHCmNn17mwCXz5rffBIBckv:vL9YmmqthHCQpmTx5

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 11 IoCs

Processes:

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

pid	pid_target	process	target process
2092	3572	WerFault.exe	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
2904	3572	WerFault.exe	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
2892	3572	WerFault.exe	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
3396	3572	WerFault.exe	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
3044	3572	WerFault.exe	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
4988	3572	WerFault.exe	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
4940	3572	WerFault.exe	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
4112	3572	WerFault.exe	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
3496	3572	WerFault.exe	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
4880	3572	WerFault.exe	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
2108	3572	WerFault.exe	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3340 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3340 taskkill.exe

pid	process
3340	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3340	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.execmd.exe

description	pid	process	target process
PID 3572 wrote to memory of 584	3572	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe	cmd.exe
PID 3572 wrote to memory of 584	3572	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe	cmd.exe
PID 3572 wrote to memory of 584	3572	807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe	cmd.exe
PID 584 wrote to memory of 3340	584	cmd.exe	taskkill.exe
PID 584 wrote to memory of 3340	584	cmd.exe	taskkill.exe
PID 584 wrote to memory of 3340	584	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe
"C:\Users\Admin\AppData\Local\Temp\807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 480
2⤵
- Program crash
PID:2092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 500
2⤵
- Program crash
PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 780
2⤵
- Program crash
PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 800
2⤵
- Program crash
PID:3396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 832
2⤵
- Program crash
PID:3044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 876
2⤵
- Program crash
PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 984
2⤵
- Program crash
PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 992
2⤵
- Program crash
PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 996
2⤵
- Program crash
PID:3496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 1444
2⤵
- Program crash
PID:4880

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:584

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "807bcc2ed0b1eb1ae48c58dbb27b8ae95768a1139b8a0915053793603ce62c3b.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 1524
2⤵
- Program crash
PID:2108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3572 -ip 3572
1⤵
PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3572 -ip 3572
1⤵
PID:976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3572 -ip 3572
1⤵
PID:3376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3572 -ip 3572
1⤵
PID:3628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3572 -ip 3572
1⤵
PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3572 -ip 3572
1⤵
PID:4844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3572 -ip 3572
1⤵
PID:1044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3572 -ip 3572
1⤵
PID:1616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3572 -ip 3572
1⤵
PID:2936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3572 -ip 3572
1⤵
PID:4916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3572 -ip 3572
1⤵
PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3572-2-0x00000000049C0000-0x00000000049FC000-memory.dmp

Filesize
240KB

Download
memory/3572-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3572-1-0x0000000002D90000-0x0000000002E90000-memory.dmp

Filesize
1024KB

Download
memory/3572-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3572-6-0x0000000000400000-0x0000000002CA4000-memory.dmp

Filesize
40.6MB

Download

Analysis

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