dc675548d26d4089a3a2e0eb8cfc3f3cded185dd7d2c11d5340cff6d18619689

Analysis

max time kernel
142s
max time network
146s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
28/10/2023, 18:04

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General

Target

NEAS.2825e4a1b69997cea67a3a772de425c0.exe
Size

70KB
MD5

2825e4a1b69997cea67a3a772de425c0
SHA1

37122449bfd00aad0c4e0667517c17275fde76ca
SHA256

dc675548d26d4089a3a2e0eb8cfc3f3cded185dd7d2c11d5340cff6d18619689
SHA512

359706a55da9d64cf0c2cacfb58f2f2ef398cb8f3fbabacdec29c468e0893b30a9f21463a372c964aa456caed53c2afde64288eddb1b5e2916e9585a38382a69
SSDEEP

768:TrItKyw5WHXfQmjIiIk9ecAayMb96gyXPDLd+T:Tr3Z5IfQmv81a5DyXbZC

Score

8^/10

evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2892	attrib.exe

Deletes itself 1 IoCs

pid	Process
2748	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2624	zskhost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\zskhost.exe	NEAS.2825e4a1b69997cea67a3a772de425c0.exe
File opened for modification	C:\Windows\Debug\zskhost.exe	NEAS.2825e4a1b69997cea67a3a772de425c0.exe
File opened for modification	C:\Windows\Debug\zskhost.exe	attrib.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: SeIncBasePriorityPrivilege	2364	NEAS.2825e4a1b69997cea67a3a772de425c0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2892	2364	NEAS.2825e4a1b69997cea67a3a772de425c0.exe	28
PID 2364 wrote to memory of 2892	2364	NEAS.2825e4a1b69997cea67a3a772de425c0.exe	28
PID 2364 wrote to memory of 2892	2364	NEAS.2825e4a1b69997cea67a3a772de425c0.exe	28
PID 2364 wrote to memory of 2892	2364	NEAS.2825e4a1b69997cea67a3a772de425c0.exe	28
PID 2364 wrote to memory of 2748	2364	NEAS.2825e4a1b69997cea67a3a772de425c0.exe	31
PID 2364 wrote to memory of 2748	2364	NEAS.2825e4a1b69997cea67a3a772de425c0.exe	31
PID 2364 wrote to memory of 2748	2364	NEAS.2825e4a1b69997cea67a3a772de425c0.exe	31
PID 2364 wrote to memory of 2748	2364	NEAS.2825e4a1b69997cea67a3a772de425c0.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2892	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.2825e4a1b69997cea67a3a772de425c0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2825e4a1b69997cea67a3a772de425c0.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\zskhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:2892
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\NEAS28~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2748

C:\Windows\Debug\zskhost.exe
C:\Windows\Debug\zskhost.exe
1⤵
- Executes dropped EXE
PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

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
70KB

MD5
f73bb9a054e06853181daa62ae69dcf9

SHA1
1959e6c54492abf1b9b3708e08221a070419bf6a

SHA256
b025185dc6cfa1abbfbed5a0d4b6d8073bef18773dc474abc27257a7385b7fb7

SHA512
e1da92022d7ffbba2ddde7459aab9919c538810ff046f001385bcfa534d669962d0d0ea81f75a998219a3059d67dd5746aaf1dac43cd5c41b67886bdc64de494

Download Submit
C:\Windows\debug\zskhost.exe

Filesize
70KB

MD5
f73bb9a054e06853181daa62ae69dcf9

SHA1
1959e6c54492abf1b9b3708e08221a070419bf6a

SHA256
b025185dc6cfa1abbfbed5a0d4b6d8073bef18773dc474abc27257a7385b7fb7

SHA512
e1da92022d7ffbba2ddde7459aab9919c538810ff046f001385bcfa534d669962d0d0ea81f75a998219a3059d67dd5746aaf1dac43cd5c41b67886bdc64de494

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads