gcleaner | 053598a2e8eea3336dae45bd27c9f961278556ab76a90358fd6d0ed3cce6db83

General

Target

704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe
Size

250KB
MD5

704bcc14bda5e69fd770adc5a2e376b6
SHA1

8cd5c010071f3e765513b13b64320c0ee861b887
SHA256

053598a2e8eea3336dae45bd27c9f961278556ab76a90358fd6d0ed3cce6db83
SHA512

7028ec414601486dfe3971e09c3e68ff8b929afee9c3af68ceb3f7f0038b889085308d5319dc73f160d32b43ac5e8d43ed231f2598e64d969302fc45b6e91b53
SSDEEP

3072:hEZCdnZcL32HhxeLGTPJk5oQMN9mewSEn4RbK10MBY8ZGPdWCoS55vFvK:iCF2L32HhxeyTYe0SSsO19ZmHouc

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

C2

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 5 IoCs

resource	yara_rule
behavioral1/memory/2232-2-0x0000000000400000-0x0000000000432000-memory.dmp	family_onlylogger
behavioral1/memory/2232-3-0x0000000000400000-0x0000000002C76000-memory.dmp	family_onlylogger
behavioral1/memory/2232-6-0x0000000000400000-0x0000000000432000-memory.dmp	family_onlylogger
behavioral1/memory/2232-44-0x0000000000400000-0x0000000000432000-memory.dmp	family_onlylogger
behavioral1/memory/2232-43-0x0000000000400000-0x0000000002C76000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
1472	cmd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
8	iplogger.org
10	iplogger.org

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
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	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1496	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1496	taskkill.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 664	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	31
PID 2232 wrote to memory of 664	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	31
PID 2232 wrote to memory of 664	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	31
PID 2232 wrote to memory of 664	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	31
PID 2232 wrote to memory of 1732	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	33
PID 2232 wrote to memory of 1732	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	33
PID 2232 wrote to memory of 1732	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	33
PID 2232 wrote to memory of 1732	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	33
PID 2232 wrote to memory of 1140	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	35
PID 2232 wrote to memory of 1140	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	35
PID 2232 wrote to memory of 1140	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	35
PID 2232 wrote to memory of 1140	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	35
PID 2232 wrote to memory of 2136	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	38
PID 2232 wrote to memory of 2136	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	38
PID 2232 wrote to memory of 2136	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	38
PID 2232 wrote to memory of 2136	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	38
PID 2232 wrote to memory of 1472	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	39
PID 2232 wrote to memory of 1472	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	39
PID 2232 wrote to memory of 1472	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	39
PID 2232 wrote to memory of 1472	2232	704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe	39
PID 1472 wrote to memory of 1496	1472	cmd.exe	42
PID 1472 wrote to memory of 1496	1472	cmd.exe	42
PID 1472 wrote to memory of 1496	1472	cmd.exe	42
PID 1472 wrote to memory of 1496	1472	cmd.exe	42

C:\Users\Admin\AppData\Local\Temp\704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{kTbP-9oueC-pg3c-6xmU1}\41723117577.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{kTbP-9oueC-pg3c-6xmU1}\45393516485.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{kTbP-9oueC-pg3c-6xmU1}\09055167448.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1140
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\ProgramData\Garbage Cleaner\Garbage Cleaner.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2136
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "704bcc14bda5e69fd770adc5a2e376b6_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1496

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Garbage Cleaner\Bunifu_UI_v1.5.3.dll

Filesize
162B

MD5
1b7c22a214949975556626d7217e9a39

SHA1
d01c97e2944166ed23e47e4a62ff471ab8fa031f

SHA256
340c8464c2007ce3f80682e15dfafa4180b641d53c14201b929906b7b0284d87

SHA512
ba64847cf1d4157d50abe4f4a1e5c1996fe387c5808e2f758c7fb3213bfefe1f3712d343f0c30a16819749840954654a70611d2250fd0f7b032429db7afd2cc5

Download Submit
memory/2232-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

Filesize
1024KB

Download
memory/2232-2-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2232-3-0x0000000000400000-0x0000000002C76000-memory.dmp

Filesize
40.5MB

Download
memory/2232-4-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

Filesize
1024KB

Download
memory/2232-6-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2232-45-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

Filesize
1024KB

Download
memory/2232-44-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2232-43-0x0000000000400000-0x0000000002C76000-memory.dmp

Filesize
40.5MB

Download

Analysis

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