gh0strat | fcb013af969eda15bcac41e895653ec5eea09ce6b08f3adbd40733c7564d4407

Analysis

max time kernel
147s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 17:27

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General

Target

087de26a39e65a6ea417783f0faaa43b.exe
Size

1.1MB
MD5

087de26a39e65a6ea417783f0faaa43b
SHA1

0880b8a9be0eacdec34609ceefbee81258287c77
SHA256

fcb013af969eda15bcac41e895653ec5eea09ce6b08f3adbd40733c7564d4407
SHA512

a4e86aa1198fc1c8d566fb042656aab08e2f2456d693751124e2a91f13f88ba0861a6cc71122744847153a5059ab437f68d31d915dedc8df296ad037bc157f1d
SSDEEP

12288:iM5jZKbBL3aKHx5r+TuxX+fWbwFBfdGmZ59O:iM5j8Z3aKHx5r+TuxX+IwffFZ59O

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023200-5.dat	family_gh0strat
behavioral2/files/0x000c000000023200-6.dat	family_gh0strat
behavioral2/files/0x000c000000023200-4.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

Executes dropped EXE 1 IoCs

pid	Process
1468	svchest432048043204801465662051.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "c:\\Windows\\notepab.exe"	087de26a39e65a6ea417783f0faaa43b.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	087de26a39e65a6ea417783f0faaa43b.exe
File opened for modification	\??\c:\Windows\BJ.exe	087de26a39e65a6ea417783f0faaa43b.exe
File created	\??\c:\Windows\svchest432048043204801465662051.exe	087de26a39e65a6ea417783f0faaa43b.exe
File opened for modification	\??\c:\Windows\svchest432048043204801465662051.exe	087de26a39e65a6ea417783f0faaa43b.exe
File created	\??\c:\Windows\notepab.exe	087de26a39e65a6ea417783f0faaa43b.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 1468	3644	087de26a39e65a6ea417783f0faaa43b.exe	21
PID 3644 wrote to memory of 1468	3644	087de26a39e65a6ea417783f0faaa43b.exe	21
PID 3644 wrote to memory of 1468	3644	087de26a39e65a6ea417783f0faaa43b.exe	21

C:\Users\Admin\AppData\Local\Temp\087de26a39e65a6ea417783f0faaa43b.exe
"C:\Users\Admin\AppData\Local\Temp\087de26a39e65a6ea417783f0faaa43b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3644
- \??\c:\Windows\svchest432048043204801465662051.exe
  c:\Windows\svchest432048043204801465662051.exe
  2⤵
  - Executes dropped EXE
  PID:1468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\svchest432048043204801465662051.exe

Filesize
65KB

MD5
369b0bdf8a8cc3448855e21d6ba9cc91

SHA1
27b89baf39f390a784907fb6c2cc9498eeba3c20

SHA256
2ad34c8534fa28bd19da690ed1bc371cca929115a6578a053a3c8d4502dd1039

SHA512
3c7c2101585df30dca36b39cd2fff18a49d365b59d553db24fa553ada45480279099fe92c9a5d12be841157dafaa0881488416b36d007e47842062cbe61bdfe3

Download Submit
C:\Windows\svchest432048043204801465662051.exe

Filesize
53KB

MD5
bca9ff6eab03d22ca1f5decf41743e90

SHA1
6da1c9fa5c560016485d60445c490a5891cf7c2a

SHA256
6ab603cdb813680fb06bd78ac313a1ebb8e4f8dc3b23329669089da0779ab2a5

SHA512
1b25974b7285d0a9274d51d683e3c14cc77aea927e21b99eb4760e66d9e9449e56fc8139551da4336668aff2d6f159d2abcaeb445b1573631cb03d00c2e4f01e

Download Submit
\??\c:\Windows\svchest432048043204801465662051.exe

Filesize
68KB

MD5
5203b9037652424d70e948da44ba1598

SHA1
ac5ec4f70bf3d4045a78398d60fc328c09994ad2

SHA256
af0835615284000401e052439229be9c1a192e61be55e79b782c6836b2822763

SHA512
08a27502f452f291d195038fce02110d45821cb5ecca9b6015bbb63d10279ef8cceefc4714bc6e2c50edf588597eb789300333a77e857647a11fd12603c96bde

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads