d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
10/10/2023, 21:09

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General

Target

d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe
Size

950KB
MD5

dcd272d26d29e671a6ab6d08f26233ab
SHA1

898d024e264bca453abd373ccb0b7c119b4d92ef
SHA256

d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c
SHA512

28fee64ef99aff5d852a302afc8401ea27f46725419978f95de3f24037500551640becb05e1079441af8fb46d0f395e557cc285ec923743eaaf143c98dd90cfe
SSDEEP

24576:BGHCm8uPdJbCjRPvBR+kN9uTNpkZB/nOilPqcYZ:YuWbCBvbZeN0vOEqx

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2648	WindowsTools.exe
2652	SiNiSistar2.exe

Loads dropped DLL 5 IoCs

pid	Process
2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe
2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe
2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe
2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe
2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.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\systeamst = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsTools.exe"	WindowsTools.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	WindowsTools.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2648	WindowsTools.exe
2648	WindowsTools.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2648	2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe	28
PID 2188 wrote to memory of 2648	2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe	28
PID 2188 wrote to memory of 2648	2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe	28
PID 2188 wrote to memory of 2648	2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe	28
PID 2188 wrote to memory of 2652	2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe	29
PID 2188 wrote to memory of 2652	2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe	29
PID 2188 wrote to memory of 2652	2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe	29
PID 2188 wrote to memory of 2652	2188	d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe	29

C:\Users\Admin\AppData\Local\Temp\d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe
"C:\Users\Admin\AppData\Local\Temp\d9acbb3751508edd4594f63862874483f2a967c9f6ad9674e8033d77f4ed0a7c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\WindowsTools.exe
  "C:\Users\Admin\AppData\Local\Temp\WindowsTools.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2648
- C:\Users\Admin\AppData\Local\Temp\SiNiSistar2.exe
  "C:\Users\Admin\AppData\Local\Temp\SiNiSistar2.exe"
  2⤵
  - Executes dropped EXE
  PID:2652

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\SiNiSistar2.exe

Filesize
635KB

MD5
d7b4e215c2037f102ad28ecac0774e82

SHA1
a7f6cf5b69fdb8c47fb2a3a36965c6cd4b5d2f25

SHA256
79c475c5878d9ecf8afae98aa4608c5ad078f6b18af75d15b901abad7eaa922a

SHA512
23430404e65a5282e4b9d90cb2743d80256b151fcc5753c9abe92c1e0c2193de59238678b662593f9cb05c1d032aa855d0ca6a187fafac14dd6c5a588377b6a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\SiNiSistar2.exe

Filesize
635KB

MD5
d7b4e215c2037f102ad28ecac0774e82

SHA1
a7f6cf5b69fdb8c47fb2a3a36965c6cd4b5d2f25

SHA256
79c475c5878d9ecf8afae98aa4608c5ad078f6b18af75d15b901abad7eaa922a

SHA512
23430404e65a5282e4b9d90cb2743d80256b151fcc5753c9abe92c1e0c2193de59238678b662593f9cb05c1d032aa855d0ca6a187fafac14dd6c5a588377b6a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\WindowsTools.exe

Filesize
896KB

MD5
2d888e185516d515cbbcb0733d06c90e

SHA1
bb32566a73cd80f0ce62200c691addbd138b16b8

SHA256
ba0b9bd4660dfab9ad48140b1d0a4f3757c5a9efba1a743aa82184459752fd47

SHA512
d1eedbadf3c47ce992cb33741548ae7923f1c64ed4e1b4c02b60b1072a5d86145594247fdf9563a4217c03abab75ec4c926a96ed07e651af4c194f11b721106c

Download Submit
C:\Users\Admin\AppData\Local\Temp\WindowsTools.exe

Filesize
896KB

MD5
2d888e185516d515cbbcb0733d06c90e

SHA1
bb32566a73cd80f0ce62200c691addbd138b16b8

SHA256
ba0b9bd4660dfab9ad48140b1d0a4f3757c5a9efba1a743aa82184459752fd47

SHA512
d1eedbadf3c47ce992cb33741548ae7923f1c64ed4e1b4c02b60b1072a5d86145594247fdf9563a4217c03abab75ec4c926a96ed07e651af4c194f11b721106c

Download Submit
\Users\Admin\AppData\Local\Temp\SiNiSistar2.exe

Filesize
635KB

MD5
d7b4e215c2037f102ad28ecac0774e82

SHA1
a7f6cf5b69fdb8c47fb2a3a36965c6cd4b5d2f25

SHA256
79c475c5878d9ecf8afae98aa4608c5ad078f6b18af75d15b901abad7eaa922a

SHA512
23430404e65a5282e4b9d90cb2743d80256b151fcc5753c9abe92c1e0c2193de59238678b662593f9cb05c1d032aa855d0ca6a187fafac14dd6c5a588377b6a2

Download Submit
\Users\Admin\AppData\Local\Temp\WindowsTools.exe

Filesize
896KB

MD5
2d888e185516d515cbbcb0733d06c90e

SHA1
bb32566a73cd80f0ce62200c691addbd138b16b8

SHA256
ba0b9bd4660dfab9ad48140b1d0a4f3757c5a9efba1a743aa82184459752fd47

SHA512
d1eedbadf3c47ce992cb33741548ae7923f1c64ed4e1b4c02b60b1072a5d86145594247fdf9563a4217c03abab75ec4c926a96ed07e651af4c194f11b721106c

Download Submit
\Users\Admin\AppData\Local\Temp\WindowsTools.exe

Filesize
896KB

MD5
2d888e185516d515cbbcb0733d06c90e

SHA1
bb32566a73cd80f0ce62200c691addbd138b16b8

SHA256
ba0b9bd4660dfab9ad48140b1d0a4f3757c5a9efba1a743aa82184459752fd47

SHA512
d1eedbadf3c47ce992cb33741548ae7923f1c64ed4e1b4c02b60b1072a5d86145594247fdf9563a4217c03abab75ec4c926a96ed07e651af4c194f11b721106c

Download Submit
\Users\Admin\AppData\Local\Temp\WindowsTools.exe

Filesize
896KB

MD5
2d888e185516d515cbbcb0733d06c90e

SHA1
bb32566a73cd80f0ce62200c691addbd138b16b8

SHA256
ba0b9bd4660dfab9ad48140b1d0a4f3757c5a9efba1a743aa82184459752fd47

SHA512
d1eedbadf3c47ce992cb33741548ae7923f1c64ed4e1b4c02b60b1072a5d86145594247fdf9563a4217c03abab75ec4c926a96ed07e651af4c194f11b721106c

Download Submit
\Users\Admin\AppData\Local\Temp\WindowsTools.exe

Filesize
896KB

MD5
2d888e185516d515cbbcb0733d06c90e

SHA1
bb32566a73cd80f0ce62200c691addbd138b16b8

SHA256
ba0b9bd4660dfab9ad48140b1d0a4f3757c5a9efba1a743aa82184459752fd47

SHA512
d1eedbadf3c47ce992cb33741548ae7923f1c64ed4e1b4c02b60b1072a5d86145594247fdf9563a4217c03abab75ec4c926a96ed07e651af4c194f11b721106c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads