gh0strat | f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04-12-2022 11:03

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General

Target

f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe
Size

108KB
MD5

f6521e23da5fb9e84c00d2b3faa9c319
SHA1

ac0bcece942b03077345341779bc544418878a6d
SHA256

f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332
SHA512

cd1a14d5a291c4b42b594fc0a4c1e1267653fcd669fb2c92377a47952ad8b73480e76a8ff8f5c42eb7bb88282bdf3661d69b7e076a12d7e00d458e563e09f898
SSDEEP

3072:aYVVWo4zw+6A1gSsh0lcs7zdsmOhNbt+g99zte8S:hVyzw+TsYzzSZzQg99zoh

Score

10^/10

gh0strat rat

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/1976-59-0x0000000000400000-0x000000000041E000-memory.dmp	family_gh0strat
behavioral1/files/0x00140000000054ab-60.dat	family_gh0strat
behavioral1/files/0x00140000000054ab-61.dat	family_gh0strat
behavioral1/files/0x00140000000054ab-63.dat	family_gh0strat
behavioral1/files/0x00140000000054ab-64.dat	family_gh0strat
behavioral1/files/0x00140000000054ab-62.dat	family_gh0strat
behavioral1/files/0x00090000000126f1-65.dat	family_gh0strat
behavioral1/files/0x00090000000126f1-66.dat	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

Loads dropped DLL 5 IoCs

pid	Process
1548	rundll32.exe
1548	rundll32.exe
1548	rundll32.exe
1548	rundll32.exe
1532	svchost.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\PROGRA~2\KB067075768.dll	f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe
File created	C:\Program Files (x86)\Common Files\System\hedubgtfp.eul	rundll32.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\hedubgtfp.eul	rundll32.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1548	rundll32.exe
1548	rundll32.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe
1532	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	1548	rundll32.exe
Token: SeRestorePrivilege	1548	rundll32.exe
Token: SeRestorePrivilege	1548	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 872	1976	f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe	28
PID 1976 wrote to memory of 872	1976	f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe	28
PID 1976 wrote to memory of 872	1976	f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe	28
PID 1976 wrote to memory of 872	1976	f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe	28
PID 1976 wrote to memory of 872	1976	f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe	28
PID 1976 wrote to memory of 872	1976	f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe	28
PID 1976 wrote to memory of 872	1976	f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe	28
PID 872 wrote to memory of 1548	872	cmd.exe	30
PID 872 wrote to memory of 1548	872	cmd.exe	30
PID 872 wrote to memory of 1548	872	cmd.exe	30
PID 872 wrote to memory of 1548	872	cmd.exe	30
PID 872 wrote to memory of 1548	872	cmd.exe	30
PID 872 wrote to memory of 1548	872	cmd.exe	30
PID 872 wrote to memory of 1548	872	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe
"C:\Users\Admin\AppData\Local\Temp\f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\Update7075768.BAT" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:872
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\PROGRA~2\KB067075768.dll,x #C:\PROGRA~2\KB067075768.dll##0#0#═°┬τ░▓╚½╧╡═│##ocSLmaa=#360sd#yAzR1cSNmNiMlAXMzNCSmdaKaa==#C:\Users\Admin\AppData\Local\Temp\f79527f6a0d44984813c08eabb0a41715ed7125cb466f52e5bb2db42443ab332.exe
    3⤵
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1548

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1532

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~2\KB067075768.dll

Filesize
9.8MB

MD5
88b757855ea1acefc9fe9b2adc3c7703

SHA1
1963b00a705be4bd0dad6d8424ff669fc678c98e

SHA256
e6b9988a76fe81adfeb14a1d40e63f2f244e8b93032d11c050ac5228762bdba0

SHA512
d48e3cb45fb2739195d0a41e455f275e4451857e18cdbdc400591b8ad3ce837e303059d3af7992a81f52965d98957c495fce10bc118cac9d80fa5d394062ec8c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Update7075768.BAT

Filesize
238B

MD5
ceb3e0feac094157f6fa0fcc696de958

SHA1
6b12190558c4ab755f439c2be0fb1317c5b5dda0

SHA256
0bbaebf3c49b58f2ffdb06c2d9ddcc3a04724e17773b2991a4812ac64fc605a2

SHA512
c0bd67555cdf8ce1a5d2b228e9b033da4a309aef25e14e6a07f2960e400e0725c1996c8b4dcfbd63a6db5e701db42dd29ce8bf9723aa2aa7a48f0f79d3cdf32b

Download Submit
\??\c:\program files (x86)\common files\system\hedubgtfp.eul

Filesize
9.8MB

MD5
88b757855ea1acefc9fe9b2adc3c7703

SHA1
1963b00a705be4bd0dad6d8424ff669fc678c98e

SHA256
e6b9988a76fe81adfeb14a1d40e63f2f244e8b93032d11c050ac5228762bdba0

SHA512
d48e3cb45fb2739195d0a41e455f275e4451857e18cdbdc400591b8ad3ce837e303059d3af7992a81f52965d98957c495fce10bc118cac9d80fa5d394062ec8c

Download Submit
\PROGRA~2\KB067075768.dll

Filesize
9.8MB

MD5
88b757855ea1acefc9fe9b2adc3c7703

SHA1
1963b00a705be4bd0dad6d8424ff669fc678c98e

SHA256
e6b9988a76fe81adfeb14a1d40e63f2f244e8b93032d11c050ac5228762bdba0

SHA512
d48e3cb45fb2739195d0a41e455f275e4451857e18cdbdc400591b8ad3ce837e303059d3af7992a81f52965d98957c495fce10bc118cac9d80fa5d394062ec8c

Download Submit
\PROGRA~2\KB067075768.dll

Filesize
9.8MB

MD5
88b757855ea1acefc9fe9b2adc3c7703

SHA1
1963b00a705be4bd0dad6d8424ff669fc678c98e

SHA256
e6b9988a76fe81adfeb14a1d40e63f2f244e8b93032d11c050ac5228762bdba0

SHA512
d48e3cb45fb2739195d0a41e455f275e4451857e18cdbdc400591b8ad3ce837e303059d3af7992a81f52965d98957c495fce10bc118cac9d80fa5d394062ec8c

Download Submit
\PROGRA~2\KB067075768.dll

Filesize
9.8MB

MD5
88b757855ea1acefc9fe9b2adc3c7703

SHA1
1963b00a705be4bd0dad6d8424ff669fc678c98e

SHA256
e6b9988a76fe81adfeb14a1d40e63f2f244e8b93032d11c050ac5228762bdba0

SHA512
d48e3cb45fb2739195d0a41e455f275e4451857e18cdbdc400591b8ad3ce837e303059d3af7992a81f52965d98957c495fce10bc118cac9d80fa5d394062ec8c

Download Submit
\PROGRA~2\KB067075768.dll

Filesize
9.8MB

MD5
88b757855ea1acefc9fe9b2adc3c7703

SHA1
1963b00a705be4bd0dad6d8424ff669fc678c98e

SHA256
e6b9988a76fe81adfeb14a1d40e63f2f244e8b93032d11c050ac5228762bdba0

SHA512
d48e3cb45fb2739195d0a41e455f275e4451857e18cdbdc400591b8ad3ce837e303059d3af7992a81f52965d98957c495fce10bc118cac9d80fa5d394062ec8c

Download Submit
\Program Files (x86)\Common Files\System\hedubgtfp.eul

Filesize
9.8MB

MD5
88b757855ea1acefc9fe9b2adc3c7703

SHA1
1963b00a705be4bd0dad6d8424ff669fc678c98e

SHA256
e6b9988a76fe81adfeb14a1d40e63f2f244e8b93032d11c050ac5228762bdba0

SHA512
d48e3cb45fb2739195d0a41e455f275e4451857e18cdbdc400591b8ad3ce837e303059d3af7992a81f52965d98957c495fce10bc118cac9d80fa5d394062ec8c

Download Submit
memory/872-55-0x0000000000000000-mapping.dmp

Download
memory/1548-57-0x0000000000000000-mapping.dmp

Download
memory/1976-54-0x00000000764D1000-0x00000000764D3000-memory.dmp

Filesize
8KB

Download
memory/1976-59-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download