gh0strat | 576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c

Analysis

max time kernel
152s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24/11/2022, 10:37

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General

Target

576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe
Size

25.3MB
MD5

8bce4d0f0f0d336ef711b774091637b9
SHA1

5480ad9609ea0b193b4ca5c7ef633013fe9ea009
SHA256

576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c
SHA512

7fc25c944c68455846b958e7010ed28ed116756a439a23f2d7a0799938aed160b078fb153b159590182b05ca94abf1abd268b6e5e802475864062e563adc5b50
SSDEEP

393216:bW1zhnofHqTFL3rqHeauEZdq3YxjrSB6Pvd1rCEd+z68VDn9r2zCyhBUeDjC+:a1z6fKTFGeXEfJHzna2zCynl/J

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2032-61-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral1/memory/2032-65-0x0000000010000000-0x0000000010046000-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

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00140000000054ab-55.dat	acprotect

Executes dropped EXE 5 IoCs

pid	Process
2032	server.exe
952	3.exe
1972	03.exe
1836	7097405.exe
820	407ÓÎÏ·1.08_min.exe

Loads dropped DLL 5 IoCs

pid	Process
552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe
1972	03.exe
1836	7097405.exe
1836	7097405.exe
820	407ÓÎÏ·1.08_min.exe

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	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\E48A8FB3 = "C:\\Windows\\E48A8FB3\\svchsot.exe"	server.exe

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

System Information Discovery
T1082

NSIS installer 8 IoCs

installer

resource	yara_rule
behavioral1/files/0x0006000000015c68-67.dat	nsis_installer_1
behavioral1/files/0x0006000000015c68-67.dat	nsis_installer_2
behavioral1/files/0x0006000000015c68-69.dat	nsis_installer_1
behavioral1/files/0x0006000000015c68-69.dat	nsis_installer_2
behavioral1/files/0x0006000000015c81-89.dat	nsis_installer_1
behavioral1/files/0x0006000000015c81-89.dat	nsis_installer_2
behavioral1/files/0x0006000000015c81-91.dat	nsis_installer_1
behavioral1/files/0x0006000000015c81-91.dat	nsis_installer_2

Runs net.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
2032	server.exe
2032	server.exe
2032	server.exe
2032	server.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe
1836	7097405.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2032	server.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 2032	552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe	27
PID 552 wrote to memory of 2032	552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe	27
PID 552 wrote to memory of 2032	552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe	27
PID 552 wrote to memory of 2032	552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe	27
PID 552 wrote to memory of 952	552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe	28
PID 552 wrote to memory of 952	552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe	28
PID 552 wrote to memory of 952	552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe	28
PID 552 wrote to memory of 952	552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe	28
PID 552 wrote to memory of 952	552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe	28
PID 552 wrote to memory of 952	552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe	28
PID 552 wrote to memory of 952	552	576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe	28
PID 2032 wrote to memory of 2028	2032	server.exe	29
PID 2032 wrote to memory of 2028	2032	server.exe	29
PID 2032 wrote to memory of 2028	2032	server.exe	29
PID 2032 wrote to memory of 2028	2032	server.exe	29
PID 952 wrote to memory of 1972	952	3.exe	31
PID 952 wrote to memory of 1972	952	3.exe	31
PID 952 wrote to memory of 1972	952	3.exe	31
PID 952 wrote to memory of 1972	952	3.exe	31
PID 952 wrote to memory of 1972	952	3.exe	31
PID 952 wrote to memory of 1972	952	3.exe	31
PID 952 wrote to memory of 1972	952	3.exe	31
PID 2028 wrote to memory of 1664	2028	net.exe	32
PID 2028 wrote to memory of 1664	2028	net.exe	32
PID 2028 wrote to memory of 1664	2028	net.exe	32
PID 2028 wrote to memory of 1664	2028	net.exe	32
PID 1972 wrote to memory of 1836	1972	03.exe	33
PID 1972 wrote to memory of 1836	1972	03.exe	33
PID 1972 wrote to memory of 1836	1972	03.exe	33
PID 1972 wrote to memory of 1836	1972	03.exe	33
PID 1972 wrote to memory of 1836	1972	03.exe	33
PID 1972 wrote to memory of 1836	1972	03.exe	33
PID 1972 wrote to memory of 1836	1972	03.exe	33
PID 1972 wrote to memory of 1980	1972	03.exe	34
PID 1972 wrote to memory of 1980	1972	03.exe	34
PID 1972 wrote to memory of 1980	1972	03.exe	34
PID 1972 wrote to memory of 1980	1972	03.exe	34
PID 1972 wrote to memory of 1980	1972	03.exe	34
PID 1972 wrote to memory of 1980	1972	03.exe	34
PID 1972 wrote to memory of 1980	1972	03.exe	34
PID 952 wrote to memory of 820	952	3.exe	36
PID 952 wrote to memory of 820	952	3.exe	36
PID 952 wrote to memory of 820	952	3.exe	36
PID 952 wrote to memory of 820	952	3.exe	36
PID 952 wrote to memory of 820	952	3.exe	36
PID 952 wrote to memory of 820	952	3.exe	36
PID 952 wrote to memory of 820	952	3.exe	36

C:\Users\Admin\AppData\Local\Temp\576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe
"C:\Users\Admin\AppData\Local\Temp\576a0d5ceb8a47a8cd52c0e6859e807d6581820ae5115fb10da518d4cead256c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:552
- C:\server.exe
  "C:\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\net.exe
    net start "Task Scheduler"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2028
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start "Task Scheduler"
      4⤵
      PID:1664
- C:\3.exe
  "C:\3.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:952
- - C:\03.exe
    "C:\03.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1972
  - - C:\Users\Admin\AppData\Roaming\7097405.exe
      "C:\Users\Admin\AppData\Roaming\7097405.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      PID:1836
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\03.exe >> NUL
      4⤵
      PID:1980
- - C:\407ÓÎÏ·1.08_min.exe
    "C:\407ÓÎÏ·1.08_min.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:820

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\03.exe

Filesize
96KB

MD5
23cbe5bf58120d9c3ecd8988a091b08f

SHA1
00d9fa3355719eab6b75f3a1b9c01417ad46b0df

SHA256
6343b181379892e86aa0050ccd45d5712410061c88ee4d2474fddcf115148d8c

SHA512
e4a31dc41fb04520e4f9f01952f3440802e469821795253b597b5f14064a5ce0f3db3c45b9f7b82ed0a211aef05163c6cf271d895a3f8ee8b3924dae6ab0074f

Download Submit
C:\03.exe

Filesize
96KB

MD5
23cbe5bf58120d9c3ecd8988a091b08f

SHA1
00d9fa3355719eab6b75f3a1b9c01417ad46b0df

SHA256
6343b181379892e86aa0050ccd45d5712410061c88ee4d2474fddcf115148d8c

SHA512
e4a31dc41fb04520e4f9f01952f3440802e469821795253b597b5f14064a5ce0f3db3c45b9f7b82ed0a211aef05163c6cf271d895a3f8ee8b3924dae6ab0074f

Download Submit
C:\3.exe

Filesize
24.9MB

MD5
7bbda9b9ae6de2b2ab93b167f4acef73

SHA1
51119500065816f6a378d1308313c6ceb1dc960f

SHA256
ad7f9f42aeeb591930ab3ac85cde25461b44d45610a712e1c84a3c16c3c5d20f

SHA512
e69d5e3b3b48e558589b42bb2095621292ced3c21250a871893acb5bcabf17a2346bf016b93b8abdcb91c99bfb8659c7fa0398f2f8fbf8f136508a81e0f6ed0c

Download Submit
C:\3.exe

Filesize
24.9MB

MD5
7bbda9b9ae6de2b2ab93b167f4acef73

SHA1
51119500065816f6a378d1308313c6ceb1dc960f

SHA256
ad7f9f42aeeb591930ab3ac85cde25461b44d45610a712e1c84a3c16c3c5d20f

SHA512
e69d5e3b3b48e558589b42bb2095621292ced3c21250a871893acb5bcabf17a2346bf016b93b8abdcb91c99bfb8659c7fa0398f2f8fbf8f136508a81e0f6ed0c

Download Submit
C:\407ÓÎÏ·1.08_min.exe

Filesize
24.8MB

MD5
e3e5eb51db8ca351cee1329e061fb7f0

SHA1
0c53ef1c1d87687142694dba2d441d5342efbb29

SHA256
a812f38f01004eb9edbc82be7ddc2a7e68f659f96a3eb3d4adea6ae1d8e26e8f

SHA512
91c91a100af051eae7641234e4ee3759979785d7862e479e2a605ae073ccce3a8ba9d3ecd81e595b0cf7c75ac547b2b6d47ddd02e992e2162d47ceab65193335

Download Submit
C:\407ÓÎÏ·1.08_min.exe

Filesize
24.8MB

MD5
e3e5eb51db8ca351cee1329e061fb7f0

SHA1
0c53ef1c1d87687142694dba2d441d5342efbb29

SHA256
a812f38f01004eb9edbc82be7ddc2a7e68f659f96a3eb3d4adea6ae1d8e26e8f

SHA512
91c91a100af051eae7641234e4ee3759979785d7862e479e2a605ae073ccce3a8ba9d3ecd81e595b0cf7c75ac547b2b6d47ddd02e992e2162d47ceab65193335

Download Submit
C:\Users\Admin\AppData\Roaming\7097405.exe

Filesize
96KB

MD5
23cbe5bf58120d9c3ecd8988a091b08f

SHA1
00d9fa3355719eab6b75f3a1b9c01417ad46b0df

SHA256
6343b181379892e86aa0050ccd45d5712410061c88ee4d2474fddcf115148d8c

SHA512
e4a31dc41fb04520e4f9f01952f3440802e469821795253b597b5f14064a5ce0f3db3c45b9f7b82ed0a211aef05163c6cf271d895a3f8ee8b3924dae6ab0074f

Download Submit
C:\Users\Admin\AppData\Roaming\7097405.exe

Filesize
96KB

MD5
23cbe5bf58120d9c3ecd8988a091b08f

SHA1
00d9fa3355719eab6b75f3a1b9c01417ad46b0df

SHA256
6343b181379892e86aa0050ccd45d5712410061c88ee4d2474fddcf115148d8c

SHA512
e4a31dc41fb04520e4f9f01952f3440802e469821795253b597b5f14064a5ce0f3db3c45b9f7b82ed0a211aef05163c6cf271d895a3f8ee8b3924dae6ab0074f

Download Submit
C:\server.exe

Filesize
80KB

MD5
d9e8d1424d9800af59ff31d4e9009727

SHA1
70bd5eaca2d4dcb0b177ea3ca2fd8c1e1d73764b

SHA256
5eecfb099c195a0bef5d2bb6057154f4bcefcbefbafdd13f05d3f229207f322b

SHA512
d5daaa3d6093bcfa25bf5fd96c5131cee9b0f1bd28e26e6db3c073f9fb9b6f1a2ad18e5743102e18f220bfdac2b24e9508bac00e58ac92b02b7977aa78368df6

Download Submit
C:\server.exe

Filesize
80KB

MD5
d9e8d1424d9800af59ff31d4e9009727

SHA1
70bd5eaca2d4dcb0b177ea3ca2fd8c1e1d73764b

SHA256
5eecfb099c195a0bef5d2bb6057154f4bcefcbefbafdd13f05d3f229207f322b

SHA512
d5daaa3d6093bcfa25bf5fd96c5131cee9b0f1bd28e26e6db3c073f9fb9b6f1a2ad18e5743102e18f220bfdac2b24e9508bac00e58ac92b02b7977aa78368df6

Download Submit
\Users\Admin\AppData\Local\Temp\nst82D9.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

Download Submit
\Users\Admin\AppData\Local\Temp\qgk3FA0.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
\Users\Admin\AppData\Roaming\7097405.exe

Filesize
96KB

MD5
23cbe5bf58120d9c3ecd8988a091b08f

SHA1
00d9fa3355719eab6b75f3a1b9c01417ad46b0df

SHA256
6343b181379892e86aa0050ccd45d5712410061c88ee4d2474fddcf115148d8c

SHA512
e4a31dc41fb04520e4f9f01952f3440802e469821795253b597b5f14064a5ce0f3db3c45b9f7b82ed0a211aef05163c6cf271d895a3f8ee8b3924dae6ab0074f

Download Submit
\Users\Admin\AppData\Roaming\7097405.exe

Filesize
96KB

MD5
23cbe5bf58120d9c3ecd8988a091b08f

SHA1
00d9fa3355719eab6b75f3a1b9c01417ad46b0df

SHA256
6343b181379892e86aa0050ccd45d5712410061c88ee4d2474fddcf115148d8c

SHA512
e4a31dc41fb04520e4f9f01952f3440802e469821795253b597b5f14064a5ce0f3db3c45b9f7b82ed0a211aef05163c6cf271d895a3f8ee8b3924dae6ab0074f

Download Submit
\Users\Admin\AppData\Roaming\7097405.exe

Filesize
96KB

MD5
23cbe5bf58120d9c3ecd8988a091b08f

SHA1
00d9fa3355719eab6b75f3a1b9c01417ad46b0df

SHA256
6343b181379892e86aa0050ccd45d5712410061c88ee4d2474fddcf115148d8c

SHA512
e4a31dc41fb04520e4f9f01952f3440802e469821795253b597b5f14064a5ce0f3db3c45b9f7b82ed0a211aef05163c6cf271d895a3f8ee8b3924dae6ab0074f

Download Submit
memory/552-54-0x0000000075131000-0x0000000075133000-memory.dmp

Filesize
8KB

Download
memory/552-64-0x0000000001C40000-0x0000000001CB3000-memory.dmp

Filesize
460KB

Download
memory/552-63-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/552-70-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/552-71-0x0000000001C40000-0x0000000001CB3000-memory.dmp

Filesize
460KB

Download
memory/2032-59-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/2032-61-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/2032-65-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download