gcleaner | ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681

General

Target

ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
Size

270KB
MD5

d6dbc50e09cbef9c6f44d97e438825c3
SHA1

a38a811d398fc5c83bd2793c9745b19ac140c424
SHA256

ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681
SHA512

063d626130211d1842c2e40febab5429e676291ba3e78ca7b6574237fb147ffe30be4d08f701ae5d2b25c6e8318413588e676ce6776a1879de2e50b30d61094b
SSDEEP

6144:m6jwR/M06HyBqtATzSC8Y6S0o7yYtIsnkDmXT+Y:m6j4/b6HyzILuyYvnr

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
3724	4608	WerFault.exe	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
2444	4608	WerFault.exe	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
1176	4608	WerFault.exe	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
408	4608	WerFault.exe	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
3520	4608	WerFault.exe	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
4804	4608	WerFault.exe	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
3656	4608	WerFault.exe	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
3084	4608	WerFault.exe	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
4728	4608	WerFault.exe	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
4896	4608	WerFault.exe	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
788	4608	WerFault.exe	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1908 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1908 taskkill.exe

pid	process
1908	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1908	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.execmd.exe

description	pid	process	target process
PID 4608 wrote to memory of 536	4608	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe	cmd.exe
PID 4608 wrote to memory of 536	4608	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe	cmd.exe
PID 4608 wrote to memory of 536	4608	ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe	cmd.exe
PID 536 wrote to memory of 1908	536	cmd.exe	taskkill.exe
PID 536 wrote to memory of 1908	536	cmd.exe	taskkill.exe
PID 536 wrote to memory of 1908	536	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe
"C:\Users\Admin\AppData\Local\Temp\ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 476
2⤵
- Program crash
PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 532
2⤵
- Program crash
PID:2444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 780
2⤵
- Program crash
PID:1176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 800
2⤵
- Program crash
PID:408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 816
2⤵
- Program crash
PID:3520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 792
2⤵
- Program crash
PID:4804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 1000
2⤵
- Program crash
PID:3656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 1004
2⤵
- Program crash
PID:3084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 1080
2⤵
- Program crash
PID:4728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 1464
2⤵
- Program crash
PID:4896

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:536

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "ea1e808bc3d4a1d7c5d124dc5738c45f0e18a68e32ad5061ed85d98cc6d36681.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 1488
2⤵
- Program crash
PID:788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4608 -ip 4608
1⤵
PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4608 -ip 4608
1⤵
PID:736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4608 -ip 4608
1⤵
PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4608 -ip 4608
1⤵
PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4608 -ip 4608
1⤵
PID:3160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4608 -ip 4608
1⤵
PID:3360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4608 -ip 4608
1⤵
PID:3212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4608 -ip 4608
1⤵
PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4608 -ip 4608
1⤵
PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4608 -ip 4608
1⤵
PID:4332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4608 -ip 4608
1⤵
PID:4872

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/4608-1-0x0000000002D20000-0x0000000002E20000-memory.dmp

Filesize
1024KB

Download
memory/4608-2-0x00000000049A0000-0x00000000049DC000-memory.dmp

Filesize
240KB

Download
memory/4608-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4608-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4608-6-0x0000000000400000-0x0000000002C9B000-memory.dmp

Filesize
40.6MB

Download

Analysis

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