ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff

Analysis

max time kernel
141s
max time network
124s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
29/03/2024, 00:58

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General

Target

ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff.exe
Size

197KB
MD5

a1f37507c65ef8c9c6b1b00ffde590ed
SHA1

a3b3ba90ddafe5cbb1c29235af6f21e76c596947
SHA256

ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff
SHA512

7000d2c9411f5e7e321a31e2a7b1aff9baaa61bba87049986f8e6a38929175bc8765c28d09a2a66277620e4bab59c0ca4ad1ed291c745b0a0588b8b82b713a83
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOD:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXq

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2168	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1740	zskhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\zskhost.exe	ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff.exe
File opened for modification	C:\Windows\Debug\zskhost.exe	ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff.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	1280	ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 2168	1280	ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff.exe	29
PID 1280 wrote to memory of 2168	1280	ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff.exe	29
PID 1280 wrote to memory of 2168	1280	ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff.exe	29
PID 1280 wrote to memory of 2168	1280	ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff.exe	29

C:\Users\Admin\AppData\Local\Temp\ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff.exe
"C:\Users\Admin\AppData\Local\Temp\ae48865bd983855786a9e0a957d1294f9e94f8cccd90f5270ce8f6b3b0e978ff.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\AE4886~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2168

C:\Windows\Debug\zskhost.exe
C:\Windows\Debug\zskhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1740

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
197KB

MD5
7b23f344014e8fc0a283116defa588c3

SHA1
f0fe6aa51b241ed14f2a61e5678fc587d35bd243

SHA256
ade4e45bf493f0a16f2b6d90c84058bab10d1b1f4fde1d4f5019de8ded353ba7

SHA512
bb369905412437a50f00b4dee83ec82d0f2c450770e8c74d587fa05c75fc0dd2a6a327725b7c1a06feec25429b8e25750f4dd7023862dfcd80121bf26f6c5a61

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