gcleaner | 7a0a4dfc537639e09e04640b9da5f5fe190711dca7577ebf5e1dc7bc08f6be80

General

Target

7a0a4dfc537639e09e04640b9da5f5fe190711dca7577ebf5e1dc7bc08f6be80.exe
Size

325KB
MD5

a387daad9957d929ac390d94918db163
SHA1

2d330b56a8c683f52477d2374f2bac53c5362ec5
SHA256

7a0a4dfc537639e09e04640b9da5f5fe190711dca7577ebf5e1dc7bc08f6be80
SHA512

80de4f99fbd8ba9bdb28320d3518bfadf48dc246ac8b5f74ba63dae90d1adbdeba86d1d3559536818b83db280f607a4749448d211b7a4de8917cb859d3f5cbb9
SSDEEP

6144:AfbZbA7FfnooEU40dLAiCJDAq8q14czQ/oHuQTdJMc1L:EbpA7FfnooEU4YLuJuHoHhdJHV

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

45.91.200.135

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Downloads MZ/PE file

Program crash 9 IoCs

pid	pid_target	Process	procid_target
3324	1424	WerFault.exe	87
1028	1424	WerFault.exe	87
1500	1424	WerFault.exe	87
972	1424	WerFault.exe	87
4240	1424	WerFault.exe	87
3464	1424	WerFault.exe	87
2864	1424	WerFault.exe	87
2328	1424	WerFault.exe	87
4116	1424	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7a0a4dfc537639e09e04640b9da5f5fe190711dca7577ebf5e1dc7bc08f6be80.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1424	7a0a4dfc537639e09e04640b9da5f5fe190711dca7577ebf5e1dc7bc08f6be80.exe

C:\Users\Admin\AppData\Local\Temp\7a0a4dfc537639e09e04640b9da5f5fe190711dca7577ebf5e1dc7bc08f6be80.exe
"C:\Users\Admin\AppData\Local\Temp\7a0a4dfc537639e09e04640b9da5f5fe190711dca7577ebf5e1dc7bc08f6be80.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:1424
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 440
  2⤵
  - Program crash
  PID:3324
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 764
  2⤵
  - Program crash
  PID:1028
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 772
  2⤵
  - Program crash
  PID:1500
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 812
  2⤵
  - Program crash
  PID:972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 836
  2⤵
  - Program crash
  PID:4240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 928
  2⤵
  - Program crash
  PID:3464
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 1004
  2⤵
  - Program crash
  PID:2864
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 1044
  2⤵
  - Program crash
  PID:2328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 788
  2⤵
  - Program crash
  PID:4116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1424 -ip 1424
1⤵
PID:1316

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1020,i,12470628711992022444,7767535593390851522,262144 --variations-seed-version --mojo-platform-channel-handle=4084 /prefetch:8
1⤵
PID:3984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1424 -ip 1424
1⤵
PID:4320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1424 -ip 1424
1⤵
PID:3420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1424 -ip 1424
1⤵
PID:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1424 -ip 1424
1⤵
PID:2076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1424 -ip 1424
1⤵
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1424 -ip 1424
1⤵
PID:752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1424 -ip 1424
1⤵
PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1424 -ip 1424
1⤵
PID:4800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0KP8BKDN\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1424-1-0x0000000002CA0000-0x0000000002DA0000-memory.dmp

Filesize
1024KB

Download
memory/1424-2-0x0000000002C40000-0x0000000002C7B000-memory.dmp

Filesize
236KB

Download
memory/1424-3-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1424-5-0x0000000002CA0000-0x0000000002DA0000-memory.dmp

Filesize
1024KB

Download
memory/1424-4-0x0000000000400000-0x0000000002B71000-memory.dmp

Filesize
39.4MB

Download
memory/1424-6-0x0000000002C40000-0x0000000002C7B000-memory.dmp

Filesize
236KB

Download
memory/1424-7-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1424-13-0x0000000000400000-0x0000000002B71000-memory.dmp

Filesize
39.4MB

Download
memory/1424-15-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1424-31-0x0000000000400000-0x0000000002B71000-memory.dmp

Filesize
39.4MB

Download
memory/1424-36-0x0000000000400000-0x0000000002B71000-memory.dmp

Filesize
39.4MB

Download

Analysis

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