gcleaner | 720713c32ba0f95e8d088a31e4bac9aa2f4c809e11129969292203a69a94b50e

General

Target

75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe
Size

325KB
MD5

75d1f63cd45896a4fb490b8fab7b07fb
SHA1

a8e1a002a0f08569aad788b57b8b71e4952c6321
SHA256

720713c32ba0f95e8d088a31e4bac9aa2f4c809e11129969292203a69a94b50e
SHA512

aa4165f5b8b726eaaaeab7e0f0b5e6ae9651cb4efa208e6243b0b4ecf4cfc9c964f66b6e03de36e321b40cc055ceb3d497b330923dd4e74a6bf43c9092aa0b91
SSDEEP

6144:Bon+yNDqHr2r4w+FUKSVNXmLKjxZrNVfs8V:afqHrw4bCj1vN2

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/2688-2-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral1/memory/2688-3-0x0000000000400000-0x0000000001423000-memory.dmp	family_onlylogger
behavioral1/memory/2688-21-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral1/memory/2688-20-0x0000000000400000-0x0000000001423000-memory.dmp	family_onlylogger
behavioral1/memory/2660-24-0x00000000000F0000-0x00000000001F0000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
3024	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 6 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	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2864	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	taskkill.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2680	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	30
PID 2688 wrote to memory of 2680	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	30
PID 2688 wrote to memory of 2680	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	30
PID 2688 wrote to memory of 2680	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	30
PID 2688 wrote to memory of 2740	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2740	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2740	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2740	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2660	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	34
PID 2688 wrote to memory of 2660	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	34
PID 2688 wrote to memory of 2660	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	34
PID 2688 wrote to memory of 2660	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	34
PID 2688 wrote to memory of 3024	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	37
PID 2688 wrote to memory of 3024	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	37
PID 2688 wrote to memory of 3024	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	37
PID 2688 wrote to memory of 3024	2688	75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe	37
PID 3024 wrote to memory of 2864	3024	cmd.exe	39
PID 3024 wrote to memory of 2864	3024	cmd.exe	39
PID 3024 wrote to memory of 2864	3024	cmd.exe	39
PID 3024 wrote to memory of 2864	3024	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{kH5P-9mhOG-9UFi-01dov}\86613547058.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{kH5P-9mhOG-9UFi-01dov}\62651625433.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{kH5P-9mhOG-9UFi-01dov}\36997594456.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2660
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "75d1f63cd45896a4fb490b8fab7b07fb_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2864

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:\Users\Admin\AppData\Local\Temp\{kH5P-9mhOG-9UFi-01dov}\86613547058.exe

Filesize
162B

MD5
1b7c22a214949975556626d7217e9a39

SHA1
d01c97e2944166ed23e47e4a62ff471ab8fa031f

SHA256
340c8464c2007ce3f80682e15dfafa4180b641d53c14201b929906b7b0284d87

SHA512
ba64847cf1d4157d50abe4f4a1e5c1996fe387c5808e2f758c7fb3213bfefe1f3712d343f0c30a16819749840954654a70611d2250fd0f7b032429db7afd2cc5

Download Submit
memory/2660-24-0x00000000000F0000-0x00000000001F0000-memory.dmp

Filesize
1024KB

Download
memory/2660-23-0x00000000000F0000-0x00000000001F0000-memory.dmp

Filesize
1024KB

Download
memory/2660-22-0x00000000000F0000-0x00000000001F0000-memory.dmp

Filesize
1024KB

Download
memory/2688-1-0x0000000001890000-0x0000000001990000-memory.dmp

Filesize
1024KB

Download
memory/2688-2-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2688-3-0x0000000000400000-0x0000000001423000-memory.dmp

Filesize
16.1MB

Download
memory/2688-21-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2688-20-0x0000000000400000-0x0000000001423000-memory.dmp

Filesize
16.1MB

Download

Analysis

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