gcleaner | 2a77ae43cff20befca76b49de3665a059eadb01dd0a15cadd69eab65c2a7f491

Resubmissions

07/01/2024, 18:07

240107-wqfmwscef410

07/01/2024, 17:48

240107-wdq8vsbefp10

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 18:07

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General

Target
49a70d3437724bd70e25e097f8ea80fd.exe
Size 450KB
Sample240107-wqfmwscef4
SHA256 2a77ae43cff20befca76b49de3665a059eadb01dd0a15cadd69eab65c2a7f491
MD5 49a70d3437724bd70e25e097f8ea80fd
SHA1 0f467a5bed2642302bb81f43d5fa825b0c72e402
SHA512 0f8a0652a19aba5d4df32b2f7532d0a5952ef21d9f885a619df6de8e05dec3cbeec78df2e8e270d4d460bb3bb6798e522f64dbfd9ba439d034670ae4a8188b45
SSDEEP 6144:x8aTDnsEzuiercYKh5GpMGDgnbGSA165LRHqliBAaXlYwyntuq89b+aQ:TzRzuiercYKq+GDgrACL9qsLqwFq06a
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

gc-prtnrs.top
gcc-prtnrs.top

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/3576-2-0x0000000004ED0000-0x0000000004F1F000-memory.dmp	family_onlylogger
behavioral2/memory/3576-3-0x0000000000400000-0x000000000326C000-memory.dmp	family_onlylogger
behavioral2/memory/3576-5-0x0000000004ED0000-0x0000000004F1F000-memory.dmp	family_onlylogger
behavioral2/memory/3576-4-0x0000000000400000-0x000000000326C000-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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	49a70d3437724bd70e25e097f8ea80fd.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
4028	3576	WerFault.exe	24
2316	3576	WerFault.exe	24
1632	3576	WerFault.exe	24
4972	3576	WerFault.exe	24
1420	3576	WerFault.exe	24
1552	3576	WerFault.exe	24
4532	3576	WerFault.exe	24

Kills process with taskkill 1 IoCs

evasion

pid	Process
4856	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3280	3576	49a70d3437724bd70e25e097f8ea80fd.exe	110
PID 3576 wrote to memory of 3280	3576	49a70d3437724bd70e25e097f8ea80fd.exe	110
PID 3576 wrote to memory of 3280	3576	49a70d3437724bd70e25e097f8ea80fd.exe	110
PID 3280 wrote to memory of 4856	3280	cmd.exe	106
PID 3280 wrote to memory of 4856	3280	cmd.exe	106
PID 3280 wrote to memory of 4856	3280	cmd.exe	106

C:\Users\Admin\AppData\Local\Temp\49a70d3437724bd70e25e097f8ea80fd.exe
"C:\Users\Admin\AppData\Local\Temp\49a70d3437724bd70e25e097f8ea80fd.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 736
  2⤵
  - Program crash
  PID:4028
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 712
  2⤵
  - Program crash
  PID:2316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 928
  2⤵
  - Program crash
  PID:1632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 916
  2⤵
  - Program crash
  PID:4972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 916
  2⤵
  - Program crash
  PID:1420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 968
  2⤵
  - Program crash
  PID:1552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 972
  2⤵
  - Program crash
  PID:4532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "49a70d3437724bd70e25e097f8ea80fd.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\49a70d3437724bd70e25e097f8ea80fd.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3576 -ip 3576
1⤵
PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3576 -ip 3576
1⤵
PID:3336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3576 -ip 3576
1⤵
PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3576 -ip 3576
1⤵
PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3576 -ip 3576
1⤵
PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3576 -ip 3576
1⤵
PID:4712

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "49a70d3437724bd70e25e097f8ea80fd.exe" /f
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3576 -ip 3576
1⤵
PID:4140

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3576-2-0x0000000004ED0000-0x0000000004F1F000-memory.dmp

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memory/3576-1-0x0000000003430000-0x0000000003530000-memory.dmp

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memory/3576-3-0x0000000000400000-0x000000000326C000-memory.dmp

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memory/3576-5-0x0000000004ED0000-0x0000000004F1F000-memory.dmp

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memory/3576-4-0x0000000000400000-0x000000000326C000-memory.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads