05315f6abdc85fa17ff3d20a11ab3cfc2c5c7f026439805e77a89b90d730e6ae

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 14:16

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General

Target

NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe
Size

484KB
MD5

ab7b1cae52fd4459dbcb7597e6311600
SHA1

4d57b4c6f09b9251667aaf0716593a6907f964ef
SHA256

05315f6abdc85fa17ff3d20a11ab3cfc2c5c7f026439805e77a89b90d730e6ae
SHA512

71fa98b3a02711c99e5e96300ce02eadf9ec71e9509c1bb1a111ed5a143a8227181131f353456c3fb3b408354bceae70cae8541ee29d6cc2d60dfcc54caca019
SSDEEP

6144:NLTtdYsiZsWnpAwCKCFzEGfuXLZ9U+PhOMUjq+FhBN89psPv0lfWXHIH2pjo132Z:NLPkCDt1EG2XVekhdeTlYeXZjRX4

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1816	MRINpugc.exe
2120	~45A8.tmp
2668	ktmutvol.exe

Loads dropped DLL 3 IoCs

pid	Process
2124	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe
2124	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe
1816	MRINpugc.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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\bitsutil = "C:\\Users\\Admin\\AppData\\Roaming\\ctfmhost\\MRINpugc.exe"	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ktmutvol.exe	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2828	2124	WerFault.exe	20

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1816	MRINpugc.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE
2668	ktmutvol.exe
1212	Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1212	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1816	MRINpugc.exe
Token: SeShutdownPrivilege	1212	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1816	2124	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe	28
PID 2124 wrote to memory of 1816	2124	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe	28
PID 2124 wrote to memory of 1816	2124	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe	28
PID 2124 wrote to memory of 1816	2124	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe	28
PID 1816 wrote to memory of 2120	1816	MRINpugc.exe	29
PID 1816 wrote to memory of 2120	1816	MRINpugc.exe	29
PID 1816 wrote to memory of 2120	1816	MRINpugc.exe	29
PID 1816 wrote to memory of 2120	1816	MRINpugc.exe	29
PID 2120 wrote to memory of 1212	2120	~45A8.tmp	16
PID 2124 wrote to memory of 2828	2124	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe	31
PID 2124 wrote to memory of 2828	2124	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe	31
PID 2124 wrote to memory of 2828	2124	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe	31
PID 2124 wrote to memory of 2828	2124	NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1212
- C:\Users\Admin\AppData\Local\Temp\NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe
  "C:\Users\Admin\AppData\Local\Temp\NEAS.ab7b1cae52fd4459dbcb7597e6311600.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Users\Admin\AppData\Roaming\ctfmhost\MRINpugc.exe
    "C:\Users\Admin\AppData\Roaming\ctfmhost"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1816
  - - C:\Users\Admin\AppData\Local\Temp\~45A8.tmp
      1212 495624 1816 1
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 252
    3⤵
    - Program crash
    PID:2828

C:\Windows\SysWOW64\ktmutvol.exe
C:\Windows\SysWOW64\ktmutvol.exe -s
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2668

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\~45A8.tmp

Filesize
8KB

MD5
aac3165ece2959f39ff98334618d10d9

SHA1
020a191bfdc70c1fbd3bf74cd7479258bd197f51

SHA256
96fa6a7714670823c83099ea01d24d6d3ae8fef027f01a4ddac14f123b1c9974

SHA512
9eb876812a6a13dd4b090788c2b1d9e9a2e25370598ed5c040f82e6f378edc4b78d58bc8f60d5a559ea57b1edcf3a144bfe09454a9928997173db8279d5b40cf

Download Submit
C:\Users\Admin\AppData\Roaming\ctfmhost\MRINpugc.exe

Filesize
484KB

MD5
8c09664d1ed05546798861ece1ba36a6

SHA1
4c73a7d0a21709cf6feed8b446d88fa55eaa3818

SHA256
ea3da742ccf8138e825ba8bd2294d6f127155b9dbc9697c02485acb338a480a3

SHA512
84fe7b2d333e754fca25ea36fec09d6ec57d036be75bda3beeaec27437a5be608f5d688b21a2750451c1c8625f7ecd9cebe33b068ea0596008f5bf6d3c219200

Download Submit
C:\Users\Admin\AppData\Roaming\ctfmhost\MRINpugc.exe

Filesize
484KB

MD5
8c09664d1ed05546798861ece1ba36a6

SHA1
4c73a7d0a21709cf6feed8b446d88fa55eaa3818

SHA256
ea3da742ccf8138e825ba8bd2294d6f127155b9dbc9697c02485acb338a480a3

SHA512
84fe7b2d333e754fca25ea36fec09d6ec57d036be75bda3beeaec27437a5be608f5d688b21a2750451c1c8625f7ecd9cebe33b068ea0596008f5bf6d3c219200

Download Submit
C:\Users\Admin\AppData\Roaming\ctfmhost\MRINpugc.exe

Filesize
484KB

MD5
8c09664d1ed05546798861ece1ba36a6

SHA1
4c73a7d0a21709cf6feed8b446d88fa55eaa3818

SHA256
ea3da742ccf8138e825ba8bd2294d6f127155b9dbc9697c02485acb338a480a3

SHA512
84fe7b2d333e754fca25ea36fec09d6ec57d036be75bda3beeaec27437a5be608f5d688b21a2750451c1c8625f7ecd9cebe33b068ea0596008f5bf6d3c219200

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

Filesize
484KB

MD5
8c09664d1ed05546798861ece1ba36a6

SHA1
4c73a7d0a21709cf6feed8b446d88fa55eaa3818

SHA256
ea3da742ccf8138e825ba8bd2294d6f127155b9dbc9697c02485acb338a480a3

SHA512
84fe7b2d333e754fca25ea36fec09d6ec57d036be75bda3beeaec27437a5be608f5d688b21a2750451c1c8625f7ecd9cebe33b068ea0596008f5bf6d3c219200

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

Filesize
484KB

MD5
8c09664d1ed05546798861ece1ba36a6

SHA1
4c73a7d0a21709cf6feed8b446d88fa55eaa3818

SHA256
ea3da742ccf8138e825ba8bd2294d6f127155b9dbc9697c02485acb338a480a3

SHA512
84fe7b2d333e754fca25ea36fec09d6ec57d036be75bda3beeaec27437a5be608f5d688b21a2750451c1c8625f7ecd9cebe33b068ea0596008f5bf6d3c219200

Download Submit
\Users\Admin\AppData\Local\Temp\~45A8.tmp

Filesize
8KB

MD5
aac3165ece2959f39ff98334618d10d9

SHA1
020a191bfdc70c1fbd3bf74cd7479258bd197f51

SHA256
96fa6a7714670823c83099ea01d24d6d3ae8fef027f01a4ddac14f123b1c9974

SHA512
9eb876812a6a13dd4b090788c2b1d9e9a2e25370598ed5c040f82e6f378edc4b78d58bc8f60d5a559ea57b1edcf3a144bfe09454a9928997173db8279d5b40cf

Download Submit
\Users\Admin\AppData\Roaming\ctfmhost\MRINpugc.exe

Filesize
484KB

MD5
8c09664d1ed05546798861ece1ba36a6

SHA1
4c73a7d0a21709cf6feed8b446d88fa55eaa3818

SHA256
ea3da742ccf8138e825ba8bd2294d6f127155b9dbc9697c02485acb338a480a3

SHA512
84fe7b2d333e754fca25ea36fec09d6ec57d036be75bda3beeaec27437a5be608f5d688b21a2750451c1c8625f7ecd9cebe33b068ea0596008f5bf6d3c219200

Download Submit
\Users\Admin\AppData\Roaming\ctfmhost\MRINpugc.exe

Filesize
484KB

MD5
8c09664d1ed05546798861ece1ba36a6

SHA1
4c73a7d0a21709cf6feed8b446d88fa55eaa3818

SHA256
ea3da742ccf8138e825ba8bd2294d6f127155b9dbc9697c02485acb338a480a3

SHA512
84fe7b2d333e754fca25ea36fec09d6ec57d036be75bda3beeaec27437a5be608f5d688b21a2750451c1c8625f7ecd9cebe33b068ea0596008f5bf6d3c219200

Download Submit
memory/1212-22-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1212-24-0x0000000002A40000-0x0000000002A4D000-memory.dmp

Filesize
52KB

Download
memory/1212-18-0x0000000003DF0000-0x0000000003E79000-memory.dmp

Filesize
548KB

Download
memory/1212-20-0x0000000003DF0000-0x0000000003E79000-memory.dmp

Filesize
548KB

Download
memory/1212-17-0x0000000003DF0000-0x0000000003E79000-memory.dmp

Filesize
548KB

Download
memory/1816-11-0x00000000000E0000-0x0000000000163000-memory.dmp

Filesize
524KB

Download
memory/1816-13-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2124-0-0x0000000000220000-0x00000000002A3000-memory.dmp

Filesize
524KB

Download
memory/2668-31-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2668-30-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2668-29-0x00000000000E0000-0x0000000000163000-memory.dmp

Filesize
524KB

Download
memory/2668-32-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2668-33-0x00000000000E0000-0x0000000000163000-memory.dmp

Filesize
524KB

Download
memory/2668-34-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download