05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066

Analysis

max time kernel
136s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 00:14

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General

Target

05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
Size

72KB
MD5

f09a3a45ff1326844ed5337a996eb26f
SHA1

2fbc9de4c8202a05e9e68329b965c84c0a5bc109
SHA256

05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066
SHA512

51fdbae8982ebfdc6a097d017d8320c140b4be959a90751b880dff831af80ff8ec44b950da555d9829fdf034bbe710a699c9c193e82e1be99e7c9f388940a484
SSDEEP

1536:nrFchFX18y5i+QRJl70G5svwPCkq383Inh:JycVyvwqkq383Y

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3468	rundll32.exe
4580	svchost.exe
3064	rundll32.exe
4964	svchost.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Process = "C:\\Windows\\system32\\csrss.exe"	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Host-process Windows (Rundll32.exe) = "C:\\Users\\Admin\\AppData\\Roaming\\rundll32.exe"	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Service Host Process for Windows = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\csrss.exe	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
File opened for modification	C:\Windows\SysWOW64\csrss.exe	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
File opened for modification	C:\Windows\SysWOW64\rundll32.exe	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
File created	C:\Windows\SysWOW64\rundll32.exe	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
File opened for modification	C:\Windows\SysWOW64\svchost.exe	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
File created	C:\Windows\SysWOW64\svchost.exe	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4216 set thread context of 2268	4216	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	80
PID 3468 set thread context of 3064	3468	rundll32.exe	83
PID 4580 set thread context of 4964	4580	svchost.exe	84

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4216	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
3468	rundll32.exe
4580	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4216 wrote to memory of 2268	4216	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	80
PID 4216 wrote to memory of 2268	4216	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	80
PID 4216 wrote to memory of 2268	4216	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	80
PID 4216 wrote to memory of 2268	4216	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	80
PID 4216 wrote to memory of 2268	4216	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	80
PID 4216 wrote to memory of 2268	4216	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	80
PID 4216 wrote to memory of 2268	4216	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	80
PID 4216 wrote to memory of 2268	4216	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	80
PID 2268 wrote to memory of 3468	2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	81
PID 2268 wrote to memory of 3468	2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	81
PID 2268 wrote to memory of 3468	2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	81
PID 2268 wrote to memory of 4580	2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	82
PID 2268 wrote to memory of 4580	2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	82
PID 2268 wrote to memory of 4580	2268	05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe	82
PID 3468 wrote to memory of 3064	3468	rundll32.exe	83
PID 3468 wrote to memory of 3064	3468	rundll32.exe	83
PID 3468 wrote to memory of 3064	3468	rundll32.exe	83
PID 3468 wrote to memory of 3064	3468	rundll32.exe	83
PID 3468 wrote to memory of 3064	3468	rundll32.exe	83
PID 3468 wrote to memory of 3064	3468	rundll32.exe	83
PID 3468 wrote to memory of 3064	3468	rundll32.exe	83
PID 3468 wrote to memory of 3064	3468	rundll32.exe	83
PID 4580 wrote to memory of 4964	4580	svchost.exe	84
PID 4580 wrote to memory of 4964	4580	svchost.exe	84
PID 4580 wrote to memory of 4964	4580	svchost.exe	84
PID 4580 wrote to memory of 4964	4580	svchost.exe	84
PID 4580 wrote to memory of 4964	4580	svchost.exe	84
PID 4580 wrote to memory of 4964	4580	svchost.exe	84
PID 4580 wrote to memory of 4964	4580	svchost.exe	84
PID 4580 wrote to memory of 4964	4580	svchost.exe	84

C:\Users\Admin\AppData\Local\Temp\05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
"C:\Users\Admin\AppData\Local\Temp\05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4216
- C:\Users\Admin\AppData\Local\Temp\05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe
  "C:\Users\Admin\AppData\Local\Temp\05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Users\Admin\AppData\Roaming\rundll32.exe
    "C:\Users\Admin\AppData\Roaming\rundll32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3468
  - - C:\Users\Admin\AppData\Roaming\rundll32.exe
      "C:\Users\Admin\AppData\Roaming\rundll32.exe"
      4⤵
      Executes dropped EXE
      PID:3064
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4580
  - - C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      4⤵
      Executes dropped EXE
      PID:4964

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\rundll32.exe

Filesize
72KB

MD5
f09a3a45ff1326844ed5337a996eb26f

SHA1
2fbc9de4c8202a05e9e68329b965c84c0a5bc109

SHA256
05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066

SHA512
51fdbae8982ebfdc6a097d017d8320c140b4be959a90751b880dff831af80ff8ec44b950da555d9829fdf034bbe710a699c9c193e82e1be99e7c9f388940a484

Download Submit
C:\Users\Admin\AppData\Roaming\rundll32.exe

Filesize
72KB

MD5
f09a3a45ff1326844ed5337a996eb26f

SHA1
2fbc9de4c8202a05e9e68329b965c84c0a5bc109

SHA256
05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066

SHA512
51fdbae8982ebfdc6a097d017d8320c140b4be959a90751b880dff831af80ff8ec44b950da555d9829fdf034bbe710a699c9c193e82e1be99e7c9f388940a484

Download Submit
C:\Users\Admin\AppData\Roaming\rundll32.exe

Filesize
72KB

MD5
f09a3a45ff1326844ed5337a996eb26f

SHA1
2fbc9de4c8202a05e9e68329b965c84c0a5bc109

SHA256
05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066

SHA512
51fdbae8982ebfdc6a097d017d8320c140b4be959a90751b880dff831af80ff8ec44b950da555d9829fdf034bbe710a699c9c193e82e1be99e7c9f388940a484

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

Filesize
72KB

MD5
f09a3a45ff1326844ed5337a996eb26f

SHA1
2fbc9de4c8202a05e9e68329b965c84c0a5bc109

SHA256
05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066

SHA512
51fdbae8982ebfdc6a097d017d8320c140b4be959a90751b880dff831af80ff8ec44b950da555d9829fdf034bbe710a699c9c193e82e1be99e7c9f388940a484

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

Filesize
72KB

MD5
f09a3a45ff1326844ed5337a996eb26f

SHA1
2fbc9de4c8202a05e9e68329b965c84c0a5bc109

SHA256
05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066

SHA512
51fdbae8982ebfdc6a097d017d8320c140b4be959a90751b880dff831af80ff8ec44b950da555d9829fdf034bbe710a699c9c193e82e1be99e7c9f388940a484

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

Filesize
72KB

MD5
f09a3a45ff1326844ed5337a996eb26f

SHA1
2fbc9de4c8202a05e9e68329b965c84c0a5bc109

SHA256
05ec94247e6388c0d9fc2d29632a058c5b5627eaa32c724c80bf8cf2a967b066

SHA512
51fdbae8982ebfdc6a097d017d8320c140b4be959a90751b880dff831af80ff8ec44b950da555d9829fdf034bbe710a699c9c193e82e1be99e7c9f388940a484

Download Submit
memory/2268-135-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2268-137-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2268-138-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3064-160-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4964-161-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4964-162-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download