gcleaner | 1af039b45840346b46a0552781a6fcc4e53262ceb0297e743a331d37ae402434

Analysis

max time kernel
93s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 22:06

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General

Target

7zS8B74BEBB/623f4ee48c005_Sat17a6fc071121.exe
Size

372KB
MD5

ba0bb9efa33cf4eb238cec78dc15172b
SHA1

0f49a73c90f4f00428ae9f41c3cc8d8bb3544209
SHA256

65bf24adac4f57d046f62c773ece38cdd1ac6fe98959daa513acaca060be89f5
SHA512

2326a681fb14a906bb22b0f6e7646f969b8a0d666c93e6f42c836ac3e40cb082f5f2aa2ea03f7640613329c1959c42528a8c6fdaddbe6c47447bf701fc42607a
SSDEEP

3072:tXKyEogBJsRga8fdpD4r2eqX0M897Tqcm77A9pAYzBwtz/Dlq84rN27H/C9Mf5sN:tgJemFdpD42X0M89xAKBIrDikTc

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

appwebstat.biz

ads-memory.biz

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger
Onlylogger family
onlylogger

OnlyLogger payload 5 IoCs

resource	yara_rule
behavioral14/memory/1972-2-0x0000000000A80000-0x0000000000AD1000-memory.dmp	family_onlylogger
behavioral14/memory/1972-3-0x0000000000400000-0x0000000000455000-memory.dmp	family_onlylogger
behavioral14/memory/1972-4-0x0000000000400000-0x00000000004A0000-memory.dmp	family_onlylogger
behavioral14/memory/1972-6-0x0000000000400000-0x0000000000455000-memory.dmp	family_onlylogger
behavioral14/memory/1972-5-0x0000000000A80000-0x0000000000AD1000-memory.dmp	family_onlylogger

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	623f4ee48c005_Sat17a6fc071121.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

pid	pid_target	Process	procid_target
3764	1972	WerFault.exe	82
2608	1972	WerFault.exe	82
1968	1972	WerFault.exe	82
2596	1972	WerFault.exe	82
3228	1972	WerFault.exe	82
636	1972	WerFault.exe	82
2944	1972	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 3 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	623f4ee48c005_Sat17a6fc071121.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4616	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4616	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 4860	1972	623f4ee48c005_Sat17a6fc071121.exe	96
PID 1972 wrote to memory of 4860	1972	623f4ee48c005_Sat17a6fc071121.exe	96
PID 1972 wrote to memory of 4860	1972	623f4ee48c005_Sat17a6fc071121.exe	96
PID 4860 wrote to memory of 4616	4860	cmd.exe	100
PID 4860 wrote to memory of 4616	4860	cmd.exe	100
PID 4860 wrote to memory of 4616	4860	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\7zS8B74BEBB\623f4ee48c005_Sat17a6fc071121.exe
"C:\Users\Admin\AppData\Local\Temp\7zS8B74BEBB\623f4ee48c005_Sat17a6fc071121.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 700
  2⤵
  - Program crash
  PID:3764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 784
  2⤵
  - Program crash
  PID:2608
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 940
  2⤵
  - Program crash
  PID:1968
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 724
  2⤵
  - Program crash
  PID:2596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 724
  2⤵
  - Program crash
  PID:3228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 984
  2⤵
  - Program crash
  PID:636
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "623f4ee48c005_Sat17a6fc071121.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7zS8B74BEBB\623f4ee48c005_Sat17a6fc071121.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4860
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "623f4ee48c005_Sat17a6fc071121.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4616
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 1092
  2⤵
  - Program crash
  PID:2944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1972 -ip 1972
1⤵
PID:828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1972 -ip 1972
1⤵
PID:4432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1972 -ip 1972
1⤵
PID:4916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1972 -ip 1972
1⤵
PID:2424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1972 -ip 1972
1⤵
PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1972 -ip 1972
1⤵
PID:2016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1972 -ip 1972
1⤵
PID:2080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1972-1-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1972-2-0x0000000000A80000-0x0000000000AD1000-memory.dmp

Filesize
324KB

Download
memory/1972-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1972-4-0x0000000000400000-0x00000000004A0000-memory.dmp

Filesize
640KB

Download
memory/1972-6-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1972-5-0x0000000000A80000-0x0000000000AD1000-memory.dmp

Filesize
324KB

Download