gh0strat | d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c

Analysis

max time kernel
38s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/10/2022, 21:38

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General

Target

d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe
Size

119KB
MD5

913870c3ad4298468247574e42c5d190
SHA1

d7f393376069461f13ce5d4c02b5a5b20b706c47
SHA256

d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c
SHA512

b5549006018d36ce41cc671e721a749027559d1bfb1cc7e93e1bd7ea049d77e65a89ababf0a3df0f388c72d1f35dffa80922e6a685a1b31c7c902d272b59c210
SSDEEP

3072:ZQkTCXWsZCR7c1Q+NWF2Yqz1Qes37NJbZzLztCv/Pv:ZH0WsVJKqJAZj34v/P

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/1504-58-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral1/memory/1504-60-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\03163CDC = "C:\\Windows\\03163CDC\\svchsot.exe"	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\03163CDC\svchsot.exe	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe
File opened for modification	C:\Windows\03163CDC\svchsot.exe	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1504	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe
1504	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe
1504	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe
1504	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1504	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe
Token: SeDebugPrivilege	1504	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 112	1504	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe	26
PID 1504 wrote to memory of 112	1504	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe	26
PID 1504 wrote to memory of 112	1504	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe	26
PID 1504 wrote to memory of 112	1504	d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe	26
PID 112 wrote to memory of 1940	112	net.exe	28
PID 112 wrote to memory of 1940	112	net.exe	28
PID 112 wrote to memory of 1940	112	net.exe	28
PID 112 wrote to memory of 1940	112	net.exe	28

C:\Users\Admin\AppData\Local\Temp\d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe
"C:\Users\Admin\AppData\Local\Temp\d1978f87d1ac3f2604ecf21356d89df7e2ea1ccfb8184859d95e3879ecf8076c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\SysWOW64\net.exe
  net start "Task Scheduler"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:112
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start "Task Scheduler"
    3⤵
    PID:1940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1504-54-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1504-55-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1504-56-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1504-58-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1504-60-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1504-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download