4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348

Analysis

max time kernel
141s
max time network
128s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 22:22

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General

Target

4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348.exe
Size

198KB
MD5

e5ece27b2fba2958bd755188233063f9
SHA1

0e82e2a92da3a48133f2c1148979abd483d912bb
SHA256

4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348
SHA512

55675b2d2831a8db410842e282003c2dd50344f6305473b78cd4a5669d49c138b4e83dcccbb861bfc1a846d09d0dbc05fd901c603399e1bc7a3fe50194aff392
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOX:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXC

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2388	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1212	zskhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\zskhost.exe	4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348.exe
File created	C:\Windows\Debug\zskhost.exe	4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	zskhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	zskhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2432	4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2388	2432	4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348.exe	29
PID 2432 wrote to memory of 2388	2432	4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348.exe	29
PID 2432 wrote to memory of 2388	2432	4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348.exe	29
PID 2432 wrote to memory of 2388	2432	4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348.exe	29

C:\Users\Admin\AppData\Local\Temp\4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348.exe
"C:\Users\Admin\AppData\Local\Temp\4aeeedf8f586e57021c6f489671ea6e982706ce53c2d7cdd01234d41cf1f1348.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\4AEEED~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2388

C:\Windows\Debug\zskhost.exe
C:\Windows\Debug\zskhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Debug\zskhost.exe

Filesize
198KB

MD5
2733a93a087c806b5a26879eb9ddb46a

SHA1
b550dd1babcdef110f1651e0bc59aabd11eee574

SHA256
462630fd5413f55bb9072a0c62dbe6e1f7beac3231be134cec312c4e6f143abf

SHA512
125af6d65d8e2f91e867005ddbd3717725b5996a0bdc757a9796f09656b21aa96c32b3f5ecd4b1620256a58905b0158fa6019e736bc604c017e28a5b2a10e5e0

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C:\Windows\debug\zskhost.exe

Filesize
198KB

MD5
2733a93a087c806b5a26879eb9ddb46a

SHA1
b550dd1babcdef110f1651e0bc59aabd11eee574

SHA256
462630fd5413f55bb9072a0c62dbe6e1f7beac3231be134cec312c4e6f143abf

SHA512
125af6d65d8e2f91e867005ddbd3717725b5996a0bdc757a9796f09656b21aa96c32b3f5ecd4b1620256a58905b0158fa6019e736bc604c017e28a5b2a10e5e0

Download Submit