gcleaner | 2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002

General

Target

2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002.exe
Size

301KB
MD5

e426711f2baaaa5ac3c22e490361c391
SHA1

b1dbc44255a68a889bf3a28f3b7925127886871f
SHA256

2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002
SHA512

bb4506f8f67935315324333174b6fb945178376935947883ccd4668242fa7cd0e5058567c8df2ab460465ee88c54f0a0f3a833723cc5982f6db3a2f27878c7b8
SSDEEP

3072:EzKIOGJfB4wfLLvY+hdqPXWZsMieG82Pa4oMT76ckpiqewdX7C/d8Seo6pHAMyq/:AKqxnvYzusMrG7PehpH19Seo6pHAMyW

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.115

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 8 IoCs

pid	pid_target	Process	procid_target
2380	3044	WerFault.exe	75
2592	3044	WerFault.exe	75
5064	3044	WerFault.exe	75
932	3044	WerFault.exe	75
2396	3044	WerFault.exe	75
1256	3044	WerFault.exe	75
2500	3044	WerFault.exe	75
236	3044	WerFault.exe	75

Kills process with taskkill 1 IoCs

evasion

pid	Process
2036	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 3796	3044	2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002.exe	91
PID 3044 wrote to memory of 3796	3044	2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002.exe	91
PID 3044 wrote to memory of 3796	3044	2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002.exe	91
PID 3796 wrote to memory of 2036	3796	cmd.exe	94
PID 3796 wrote to memory of 2036	3796	cmd.exe	94
PID 3796 wrote to memory of 2036	3796	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002.exe
"C:\Users\Admin\AppData\Local\Temp\2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 764
  2⤵
  - Program crash
  PID:2380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 780
  2⤵
  - Program crash
  PID:2592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 828
  2⤵
  - Program crash
  PID:5064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 880
  2⤵
  - Program crash
  PID:932
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 960
  2⤵
  - Program crash
  PID:2396
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 1060
  2⤵
  - Program crash
  PID:1256
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 1428
  2⤵
  - Program crash
  PID:2500
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3796
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 1496
  2⤵
  - Program crash
  PID:236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3044 -ip 3044
1⤵
PID:3468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3044 -ip 3044
1⤵
PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3044 -ip 3044
1⤵
PID:3052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3044 -ip 3044
1⤵
PID:1512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3044 -ip 3044
1⤵
PID:956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 3044 -ip 3044
1⤵
PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 3044 -ip 3044
1⤵
PID:2828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 624 -p 3044 -ip 3044
1⤵
PID:3780

Network

GET

http://185.172.128.90/cpa/ping.php?substr=one&s=two

2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002.exe

Remote address:

185.172.128.90:80

Request

GET /cpa/ping.php?substr=one&s=two HTTP/1.1
Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1
Accept-Language: ru-RU,ru;q=0.9,en;q=0.8
Accept-Charset: iso-8859-1, utf-8, utf-16, *;q=0.1
Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0
User-Agent: 1
Host: 185.172.128.90
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Date: Tue, 26 Mar 2024 09:08:03 GMT
Server: Apache/2.4.52 (Ubuntu)
Content-Length: 1
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8
DNS

90.128.172.185.in-addr.arpa

Remote address:

8.8.8.8:53

Request

90.128.172.185.in-addr.arpa

IN PTR

Response
DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

nexusrules.officeapps.live.com

Remote address:

8.8.8.8:53

Request

nexusrules.officeapps.live.com

IN A

Response

nexusrules.officeapps.live.com

IN CNAME

prod.nexusrules.live.com.akadns.net

prod.nexusrules.live.com.akadns.net

IN A

52.111.229.43
DNS

43.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

43.229.111.52.in-addr.arpa

IN PTR

Response

185.172.128.90:80

http://185.172.128.90/cpa/ping.php?substr=one&s=two

http

2933a006093f683005d6a063b150494eb9d81cd4511739bd21bf20e7f2d80002.exe

687 B
376 B
6
4

HTTP Request

GET http://185.172.128.90/cpa/ping.php?substr=one&s=two

HTTP Response

200

8.8.8.8:53

90.128.172.185.in-addr.arpa

dns

287 B
462 B
4
4

DNS Request

90.128.172.185.in-addr.arpa

DNS Request

8.8.8.8.in-addr.arpa

DNS Request

nexusrules.officeapps.live.com

DNS Response

52.111.229.43

DNS Request

43.229.111.52.in-addr.arpa

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

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Downloads

memory/3044-1-0x0000000000D40000-0x0000000000E40000-memory.dmp

Filesize
1024KB

Download
memory/3044-2-0x0000000002960000-0x000000000298D000-memory.dmp

Filesize
180KB

Download
memory/3044-3-0x0000000000400000-0x0000000000AF4000-memory.dmp

Filesize
7.0MB

Download
memory/3044-5-0x0000000000400000-0x0000000000AF4000-memory.dmp

Filesize
7.0MB

Download
memory/3044-6-0x0000000002960000-0x000000000298D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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