gcleaner | 2c0f7ad2d18de5ab5efa399bd50f0e412be8dafc08a67b8437d83556520a693c

General

Target

2c0f7ad2d18de5ab5efa399bd50f0e412be8dafc08a67b8437d83556520a693c.exe
Size

409KB
MD5

7f5c6e94f0f3958413952c1d2c7b9f15
SHA1

2bee4db8b9456d8f648c398e2ee94402c3da6128
SHA256

2c0f7ad2d18de5ab5efa399bd50f0e412be8dafc08a67b8437d83556520a693c
SHA512

e7e392810de9bf23e64b8c2003ad711703e0228d779e89c780bdfa777a24d8b706e0ad44fd7173b0d2679a101fd3289042a7807e30f449c18d51f3556f91406d
SSDEEP

6144:dqLQx0yxeKoQz0KG+f07Rggr1XJiQrS7ll+CPugUVyTUqhG7eb:U2ZxeKoQzrVf0NMQrSBEMuF8M

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

System Information Discovery
T1082

Program crash 9 IoCs

pid	pid_target	Process	procid_target
2408	3236	WerFault.exe	78
2396	3236	WerFault.exe	78
768	3236	WerFault.exe	78
536	3236	WerFault.exe	78
2116	3236	WerFault.exe	78
480	3236	WerFault.exe	78
936	3236	WerFault.exe	78
3672	3236	WerFault.exe	78
1888	3236	WerFault.exe	78

Kills process with taskkill 1 IoCs

evasion

pid	Process
592	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	592	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3236 wrote to memory of 3556	3236	2c0f7ad2d18de5ab5efa399bd50f0e412be8dafc08a67b8437d83556520a693c.exe	97
PID 3236 wrote to memory of 3556	3236	2c0f7ad2d18de5ab5efa399bd50f0e412be8dafc08a67b8437d83556520a693c.exe	97
PID 3236 wrote to memory of 3556	3236	2c0f7ad2d18de5ab5efa399bd50f0e412be8dafc08a67b8437d83556520a693c.exe	97
PID 3556 wrote to memory of 592	3556	cmd.exe	100
PID 3556 wrote to memory of 592	3556	cmd.exe	100
PID 3556 wrote to memory of 592	3556	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\2c0f7ad2d18de5ab5efa399bd50f0e412be8dafc08a67b8437d83556520a693c.exe
"C:\Users\Admin\AppData\Local\Temp\2c0f7ad2d18de5ab5efa399bd50f0e412be8dafc08a67b8437d83556520a693c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3236
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 476
  2⤵
  - Program crash
  PID:2408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 796
  2⤵
  - Program crash
  PID:2396
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 836
  2⤵
  - Program crash
  PID:768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 796
  2⤵
  - Program crash
  PID:536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 888
  2⤵
  - Program crash
  PID:2116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 1000
  2⤵
  - Program crash
  PID:480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 1108
  2⤵
  - Program crash
  PID:936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 1676
  2⤵
  - Program crash
  PID:3672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "2c0f7ad2d18de5ab5efa399bd50f0e412be8dafc08a67b8437d83556520a693c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2c0f7ad2d18de5ab5efa399bd50f0e412be8dafc08a67b8437d83556520a693c.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3556
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "2c0f7ad2d18de5ab5efa399bd50f0e412be8dafc08a67b8437d83556520a693c.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 1708
  2⤵
  - Program crash
  PID:1888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3236 -ip 3236
1⤵
PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3236 -ip 3236
1⤵
PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3236 -ip 3236
1⤵
PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3236 -ip 3236
1⤵
PID:3156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3236 -ip 3236
1⤵
PID:3768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3236 -ip 3236
1⤵
PID:3200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3236 -ip 3236
1⤵
PID:956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3236 -ip 3236
1⤵
PID:3104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3236 -ip 3236
1⤵
PID:2756

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\QF81BTGY\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3236-2-0x0000000003930000-0x000000000396C000-memory.dmp

Filesize
240KB

Download
memory/3236-1-0x0000000001E90000-0x0000000001F90000-memory.dmp

Filesize
1024KB

Download
memory/3236-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3236-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3236-15-0x0000000000400000-0x0000000001BE1000-memory.dmp

Filesize
23.9MB

Download
memory/3236-18-0x0000000001E90000-0x0000000001F90000-memory.dmp

Filesize
1024KB

Download
memory/3236-22-0x0000000003930000-0x000000000396C000-memory.dmp

Filesize
240KB

Download
memory/3236-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3236-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3236-34-0x0000000000400000-0x0000000001BE1000-memory.dmp

Filesize
23.9MB

Download

Analysis

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