a75561e113ce8537e0789d9977fbd8a3b78523688d5c1b41e6ffa95dd643a04d

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
02/11/2023, 16:53

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General

Target

NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe
Size

484KB
MD5

fe1c3c0b4be74cf852f746aeff1cc100
SHA1

15f66c596c9f0ba48f98bfd96ad3808b03ad9ad5
SHA256

a75561e113ce8537e0789d9977fbd8a3b78523688d5c1b41e6ffa95dd643a04d
SHA512

2bff1731bf52a0edbf954f1ebf30cb856cdf13a2fffd6947ff8d688b45ffd1fee8129c5aba8f94c31794787bd8f58ebedb4eb39dba65d1e5e270b48828678dac
SSDEEP

12288:WLPkCDt1EG2XVekhdeT24ggUymS2VgJiGy4sYS:WLPkQ1bqAu4iymS7o4tS

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2568	MRINup16.exe
2380	~6C4A.tmp
2912	perfcopy.exe

Loads dropped DLL 3 IoCs

pid	Process
2212	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe
2212	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe
2568	MRINup16.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\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\chknetup = "C:\\Users\\Admin\\AppData\\Roaming\\ktmuPING\\MRINup16.exe"	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\perfcopy.exe	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2156	2212	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2568	MRINup16.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE
2912	perfcopy.exe
1336	Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1336	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2568	MRINup16.exe
Token: SeShutdownPrivilege	1336	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2568	2212	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe	28
PID 2212 wrote to memory of 2568	2212	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe	28
PID 2212 wrote to memory of 2568	2212	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe	28
PID 2212 wrote to memory of 2568	2212	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe	28
PID 2568 wrote to memory of 2380	2568	MRINup16.exe	29
PID 2568 wrote to memory of 2380	2568	MRINup16.exe	29
PID 2568 wrote to memory of 2380	2568	MRINup16.exe	29
PID 2568 wrote to memory of 2380	2568	MRINup16.exe	29
PID 2380 wrote to memory of 1336	2380	~6C4A.tmp	12
PID 2212 wrote to memory of 2156	2212	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe	31
PID 2212 wrote to memory of 2156	2212	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe	31
PID 2212 wrote to memory of 2156	2212	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe	31
PID 2212 wrote to memory of 2156	2212	NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1336
- C:\Users\Admin\AppData\Local\Temp\NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe
  "C:\Users\Admin\AppData\Local\Temp\NEAS.fe1c3c0b4be74cf852f746aeff1cc100.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Users\Admin\AppData\Roaming\ktmuPING\MRINup16.exe
    "C:\Users\Admin\AppData\Roaming\ktmuPING"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2568
  - - C:\Users\Admin\AppData\Local\Temp\~6C4A.tmp
      1336 496136 2568 1
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 252
    3⤵
    - Program crash
    PID:2156

C:\Windows\SysWOW64\perfcopy.exe
C:\Windows\SysWOW64\perfcopy.exe -s
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2912

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~6C4A.tmp

Filesize
8KB

MD5
aac3165ece2959f39ff98334618d10d9

SHA1
020a191bfdc70c1fbd3bf74cd7479258bd197f51

SHA256
96fa6a7714670823c83099ea01d24d6d3ae8fef027f01a4ddac14f123b1c9974

SHA512
9eb876812a6a13dd4b090788c2b1d9e9a2e25370598ed5c040f82e6f378edc4b78d58bc8f60d5a559ea57b1edcf3a144bfe09454a9928997173db8279d5b40cf

Download Submit
C:\Users\Admin\AppData\Roaming\ktmuPING\MRINup16.exe

Filesize
484KB

MD5
0074a6c9133332ee44070615a758dcc0

SHA1
54ded8168922de7de7858dbe0c5a77269f0e697e

SHA256
24ee85668daf9a2442d3321d93fb9346cf8b0abcec099a79c40cda81d99e192b

SHA512
1868535b19fd51261e1be93d22a17c460a4b38600e5bb0eb3592b67de3cd5432c090e94c52132e0632e59cd719101219f176ea884b0c5bd63b108be9343f266a

Download Submit
C:\Users\Admin\AppData\Roaming\ktmuPING\MRINup16.exe

Filesize
484KB

MD5
0074a6c9133332ee44070615a758dcc0

SHA1
54ded8168922de7de7858dbe0c5a77269f0e697e

SHA256
24ee85668daf9a2442d3321d93fb9346cf8b0abcec099a79c40cda81d99e192b

SHA512
1868535b19fd51261e1be93d22a17c460a4b38600e5bb0eb3592b67de3cd5432c090e94c52132e0632e59cd719101219f176ea884b0c5bd63b108be9343f266a

Download Submit
C:\Users\Admin\AppData\Roaming\ktmuPING\MRINup16.exe

Filesize
484KB

MD5
0074a6c9133332ee44070615a758dcc0

SHA1
54ded8168922de7de7858dbe0c5a77269f0e697e

SHA256
24ee85668daf9a2442d3321d93fb9346cf8b0abcec099a79c40cda81d99e192b

SHA512
1868535b19fd51261e1be93d22a17c460a4b38600e5bb0eb3592b67de3cd5432c090e94c52132e0632e59cd719101219f176ea884b0c5bd63b108be9343f266a

Download Submit
C:\Windows\SysWOW64\perfcopy.exe

Filesize
484KB

MD5
0074a6c9133332ee44070615a758dcc0

SHA1
54ded8168922de7de7858dbe0c5a77269f0e697e

SHA256
24ee85668daf9a2442d3321d93fb9346cf8b0abcec099a79c40cda81d99e192b

SHA512
1868535b19fd51261e1be93d22a17c460a4b38600e5bb0eb3592b67de3cd5432c090e94c52132e0632e59cd719101219f176ea884b0c5bd63b108be9343f266a

Download Submit
C:\Windows\SysWOW64\perfcopy.exe

Filesize
484KB

MD5
0074a6c9133332ee44070615a758dcc0

SHA1
54ded8168922de7de7858dbe0c5a77269f0e697e

SHA256
24ee85668daf9a2442d3321d93fb9346cf8b0abcec099a79c40cda81d99e192b

SHA512
1868535b19fd51261e1be93d22a17c460a4b38600e5bb0eb3592b67de3cd5432c090e94c52132e0632e59cd719101219f176ea884b0c5bd63b108be9343f266a

Download Submit
\Users\Admin\AppData\Local\Temp\~6C4A.tmp

Filesize
8KB

MD5
aac3165ece2959f39ff98334618d10d9

SHA1
020a191bfdc70c1fbd3bf74cd7479258bd197f51

SHA256
96fa6a7714670823c83099ea01d24d6d3ae8fef027f01a4ddac14f123b1c9974

SHA512
9eb876812a6a13dd4b090788c2b1d9e9a2e25370598ed5c040f82e6f378edc4b78d58bc8f60d5a559ea57b1edcf3a144bfe09454a9928997173db8279d5b40cf

Download Submit
\Users\Admin\AppData\Roaming\ktmuPING\MRINup16.exe

Filesize
484KB

MD5
0074a6c9133332ee44070615a758dcc0

SHA1
54ded8168922de7de7858dbe0c5a77269f0e697e

SHA256
24ee85668daf9a2442d3321d93fb9346cf8b0abcec099a79c40cda81d99e192b

SHA512
1868535b19fd51261e1be93d22a17c460a4b38600e5bb0eb3592b67de3cd5432c090e94c52132e0632e59cd719101219f176ea884b0c5bd63b108be9343f266a

Download Submit
\Users\Admin\AppData\Roaming\ktmuPING\MRINup16.exe

Filesize
484KB

MD5
0074a6c9133332ee44070615a758dcc0

SHA1
54ded8168922de7de7858dbe0c5a77269f0e697e

SHA256
24ee85668daf9a2442d3321d93fb9346cf8b0abcec099a79c40cda81d99e192b

SHA512
1868535b19fd51261e1be93d22a17c460a4b38600e5bb0eb3592b67de3cd5432c090e94c52132e0632e59cd719101219f176ea884b0c5bd63b108be9343f266a

Download Submit
memory/1336-17-0x00000000048A0000-0x0000000004929000-memory.dmp

Filesize
548KB

Download
memory/1336-18-0x00000000048A0000-0x0000000004929000-memory.dmp

Filesize
548KB

Download
memory/1336-19-0x00000000048A0000-0x0000000004929000-memory.dmp

Filesize
548KB

Download
memory/1336-22-0x0000000002620000-0x000000000262D000-memory.dmp

Filesize
52KB

Download
memory/1336-21-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/2212-33-0x0000000000540000-0x00000000005C3000-memory.dmp

Filesize
524KB

Download
memory/2212-0-0x0000000000540000-0x00000000005C3000-memory.dmp

Filesize
524KB

Download
memory/2568-11-0x00000000003C0000-0x0000000000443000-memory.dmp

Filesize
524KB

Download
memory/2568-13-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/2912-28-0x0000000000250000-0x00000000002D3000-memory.dmp

Filesize
524KB

Download
memory/2912-29-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2912-31-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2912-32-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2912-34-0x0000000000250000-0x00000000002D3000-memory.dmp

Filesize
524KB

Download
memory/2912-35-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download