gh0strat | 46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963

Analysis

max time kernel
44s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 17:20

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General

Target

46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe
Size

84KB
MD5

66e81172aa35027272d485d88572fb52
SHA1

695400a84b121c6f3992a8b86b83a2ab937d458d
SHA256

46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963
SHA512

e1f8dc4339c29d7482f8d3225249a8bc5ec3df1b1bd26810ea2f883771f311debf812a0aee150735963425f34e745ad822e446627cebc392b578b37e4e376a63
SSDEEP

1536:bA1owTzFlX9GATczpfg3gnDlnp9YqvCZdBrCo3swUsUwIzLCv:E17Tzr9GCczp43gDhp9Y/eolUw+LC

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1128-57-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral1/memory/1128-61-0x0000000010000000-0x0000000010046000-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

Processes:

46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\3B080434 = "C:\\Windows\\3B080434\\svchsot.exe"	46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe

pid	process
1128	46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe
1128	46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe
1128	46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe
1128	46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe

pid process

1128 46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe

description pid process

Token: SeDebugPrivilege 1128 46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe

description	pid	process
Token: SeDebugPrivilege	1128	46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exenet.exe

description	pid	process	target process
PID 1128 wrote to memory of 2036	1128	46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe	net.exe
PID 1128 wrote to memory of 2036	1128	46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe	net.exe
PID 1128 wrote to memory of 2036	1128	46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe	net.exe
PID 1128 wrote to memory of 2036	1128	46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe	net.exe
PID 2036 wrote to memory of 472	2036	net.exe	net1.exe
PID 2036 wrote to memory of 472	2036	net.exe	net1.exe
PID 2036 wrote to memory of 472	2036	net.exe	net1.exe
PID 2036 wrote to memory of 472	2036	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe
"C:\Users\Admin\AppData\Local\Temp\46917a5c8871af92a3917f6b88633adf614d984320fcc4aaf58d770663a73963.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128

C:\Windows\SysWOW64\net.exe
net start "Task Scheduler"
2⤵
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start "Task Scheduler"
3⤵
PID:472

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/472-63-0x0000000000000000-mapping.dmp

Download
memory/1128-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/1128-55-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1128-57-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1128-59-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1128-60-0x0000000000020000-0x000000000002A000-memory.dmp

Filesize
40KB

Download
memory/1128-61-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1128-64-0x0000000000020000-0x000000000002A000-memory.dmp

Filesize
40KB

Download
memory/2036-62-0x0000000000000000-mapping.dmp

Download