gcleaner | c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0

General

Target

c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe
Size

377KB
MD5

d9bbc1ef6ce483b5ed428dac78db7bcf
SHA1

6cb2b218b4356a57b97659e5c2eb2b30f94fc6ed
SHA256

c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0
SHA512

124fa910560d34cbaef64c68ed920aa5910ccb0bea3c996a5228dc1c93b1c64be32f3745340a5102bb3c9fae9a23bde19787b603100b20b859770d9375f1bcb9
SSDEEP

6144:MZn/PbYrgXZN5BvHp+zJnedX/iu3wmIOubTh:ObYMXZpvHp+zFedz3f/8

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

Processes:

c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe

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

System Information Discovery
T1082

Program crash 9 IoCs

Processes:

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

pid	pid_target	process	target process
2332	468	WerFault.exe	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe
1188	468	WerFault.exe	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe
3776	468	WerFault.exe	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe
2784	468	WerFault.exe	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe
2988	468	WerFault.exe	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe
3196	468	WerFault.exe	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe
3296	468	WerFault.exe	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe
3460	468	WerFault.exe	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe
1988	468	WerFault.exe	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2552 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2552 taskkill.exe

pid	process
2552	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2552	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.execmd.exe

description	pid	process	target process
PID 468 wrote to memory of 2396	468	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe	cmd.exe
PID 468 wrote to memory of 2396	468	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe	cmd.exe
PID 468 wrote to memory of 2396	468	c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe	cmd.exe
PID 2396 wrote to memory of 2552	2396	cmd.exe	taskkill.exe
PID 2396 wrote to memory of 2552	2396	cmd.exe	taskkill.exe
PID 2396 wrote to memory of 2552	2396	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe
"C:\Users\Admin\AppData\Local\Temp\c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 272
2⤵
- Program crash
PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 764
2⤵
- Program crash
PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 804
2⤵
- Program crash
PID:3776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 824
2⤵
- Program crash
PID:2784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 872
2⤵
- Program crash
PID:2988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 928
2⤵
- Program crash
PID:3196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 928
2⤵
- Program crash
PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 1672
2⤵
- Program crash
PID:3460

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2396

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "c0b92546650c4681942a79d53ad3c21abd89659885debf87e753347df43b83a0.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 1728
2⤵
- Program crash
PID:1988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 468 -ip 468
1⤵
PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 468 -ip 468
1⤵
PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 468 -ip 468
1⤵
PID:2720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 468 -ip 468
1⤵
PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 468 -ip 468
1⤵
PID:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 468 -ip 468
1⤵
PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 468 -ip 468
1⤵
PID:2476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 468 -ip 468
1⤵
PID:3784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 468 -ip 468
1⤵
PID:2708

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3NQFXGDW\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/468-2-0x0000000002090000-0x00000000020CC000-memory.dmp

Filesize
240KB

Download
memory/468-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/468-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/468-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/468-14-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/468-18-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/468-22-0x0000000002090000-0x00000000020CC000-memory.dmp

Filesize
240KB

Download
memory/468-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/468-35-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/468-36-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads