gcleaner | f7f7c01729574811e2a4e5c97beebbc1167b41050bc8bf86df72c47b33fb4e74

General

Target

d0d4119491bc24c9de6456efad90af5a.exe
Size

362KB
MD5

d0d4119491bc24c9de6456efad90af5a
SHA1

fd71a1ac303f987523cfcdc18b1e46f570b19870
SHA256

f7f7c01729574811e2a4e5c97beebbc1167b41050bc8bf86df72c47b33fb4e74
SHA512

72778773b3d81aeb85460f5944d8eadcab51f723a46ebd8eefb04870fae6fdebca029dfb08e0372837600dda04db59de4656a3e6a625eddafda63ec62a28a96a
SSDEEP

6144:i23kVFbeYRM0CwNTkXMzWmK8Aj9Bnj5t6Q+GgE73nPvg7:LgleYRM09Tk8zWmhSDFt6Qzzg

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

C2

194.145.227.161

Signatures

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

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/3044-2-0x0000000002D60000-0x0000000002DA8000-memory.dmp	family_onlylogger
behavioral2/memory/3044-3-0x0000000000400000-0x0000000002B66000-memory.dmp	family_onlylogger
behavioral2/memory/3044-4-0x0000000000400000-0x0000000002B66000-memory.dmp	family_onlylogger
behavioral2/memory/3044-5-0x0000000002D60000-0x0000000002DA8000-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-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	d0d4119491bc24c9de6456efad90af5a.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
4408	3044	WerFault.exe	93
468	3044	WerFault.exe	93
4460	3044	WerFault.exe	93
1196	3044	WerFault.exe	93
1008	3044	WerFault.exe	93
4288	3044	WerFault.exe	93
2828	3044	WerFault.exe	93

Kills process with taskkill 1 IoCs

evasion

pid	Process
4472	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4472	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 376	3044	d0d4119491bc24c9de6456efad90af5a.exe	114
PID 3044 wrote to memory of 376	3044	d0d4119491bc24c9de6456efad90af5a.exe	114
PID 3044 wrote to memory of 376	3044	d0d4119491bc24c9de6456efad90af5a.exe	114
PID 376 wrote to memory of 4472	376	cmd.exe	118
PID 376 wrote to memory of 4472	376	cmd.exe	118
PID 376 wrote to memory of 4472	376	cmd.exe	118

C:\Users\Admin\AppData\Local\Temp\d0d4119491bc24c9de6456efad90af5a.exe
"C:\Users\Admin\AppData\Local\Temp\d0d4119491bc24c9de6456efad90af5a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 736
  2⤵
  - Program crash
  PID:4408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 728
  2⤵
  - Program crash
  PID:468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 744
  2⤵
  - Program crash
  PID:4460
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 936
  2⤵
  - Program crash
  PID:1196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 936
  2⤵
  - Program crash
  PID:1008
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 928
  2⤵
  - Program crash
  PID:4288
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "d0d4119491bc24c9de6456efad90af5a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d0d4119491bc24c9de6456efad90af5a.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:376
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "d0d4119491bc24c9de6456efad90af5a.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 1128
  2⤵
  - Program crash
  PID:2828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3044 -ip 3044
1⤵
PID:3820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3044 -ip 3044
1⤵
PID:3308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3044 -ip 3044
1⤵
PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3044 -ip 3044
1⤵
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3044 -ip 3044
1⤵
PID:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3044 -ip 3044
1⤵
PID:4616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3044 -ip 3044
1⤵
PID:3048

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 --no-appcompat-clear --mojo-platform-channel-handle=4548 --field-trial-handle=2256,i,6057863739127169200,6895476048812676039,262144 --variations-seed-version /prefetch:8
1⤵
PID:4804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3044-1-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

Filesize
1024KB

Download
memory/3044-2-0x0000000002D60000-0x0000000002DA8000-memory.dmp

Filesize
288KB

Download
memory/3044-3-0x0000000000400000-0x0000000002B66000-memory.dmp

Filesize
39.4MB

Download
memory/3044-4-0x0000000000400000-0x0000000002B66000-memory.dmp

Filesize
39.4MB

Download
memory/3044-5-0x0000000002D60000-0x0000000002DA8000-memory.dmp

Filesize
288KB

Download

Analysis

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