ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 00:48 UTC

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General

Target

ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5.exe
Size

51KB
MD5

279605a755ef3997a8dab583ba033e07
SHA1

646a051c86901564f5c46c34d1b486f7f603712c
SHA256

ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5
SHA512

a6a1fe22a93706971689bba0f7c843b8c2e9b0696d2be2da59c7aa903831b07e0aa116b432bcda1f7dfa701c5a471843d53d844a593abd4d8c5edbc6ff4656bf
SSDEEP

1536:lvQoLHjw2iWPKEq7OyX60MXXXcFFFrddd+:lv5Ls27k7OyX60MXXXwddd+

Score

9^/10

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122a8-2.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Deletes itself 1 IoCs

pid	Process
2196	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
804	zskhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\zskhost.exe	ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5.exe
File opened for modification	C:\Windows\Debug\zskhost.exe	ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5.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	2264	ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2196	2264	ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5.exe	29
PID 2264 wrote to memory of 2196	2264	ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5.exe	29
PID 2264 wrote to memory of 2196	2264	ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5.exe	29
PID 2264 wrote to memory of 2196	2264	ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5.exe	29

C:\Users\Admin\AppData\Local\Temp\ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5.exe
"C:\Users\Admin\AppData\Local\Temp\ce503938c7221b03ac3d8d4f5f448bb0e965d3a567902c5fff806c8caef5b6d5.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\CE5039~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2196

C:\Windows\Debug\zskhost.exe
C:\Windows\Debug\zskhost.exe
1⤵
- Executes dropped EXE
PID:804

Network

DNS

XtsWMvgCm.nnnn.eu.org

zskhost.exe

Remote address:

8.8.8.8:53

Request

XtsWMvgCm.nnnn.eu.org

IN A

Response
DNS

PCIUkM7KF.nnnn.eu.org

zskhost.exe

Remote address:

8.8.8.8:53

Request

PCIUkM7KF.nnnn.eu.org

IN A

Response
DNS

kbtUlipi3x.nnnn.eu.org

zskhost.exe

Remote address:

8.8.8.8:53

Request

kbtUlipi3x.nnnn.eu.org

IN A

Response
DNS

KIafXCJqn.nnnn.eu.org

zskhost.exe

Remote address:

8.8.8.8:53

Request

KIafXCJqn.nnnn.eu.org

IN A

Response
DNS

uylro9IyXP.nnnn.eu.org

zskhost.exe

Remote address:

8.8.8.8:53

Request

uylro9IyXP.nnnn.eu.org

IN A

Response

No results found

8.8.8.8:53

XtsWMvgCm.nnnn.eu.org

dns

zskhost.exe

67 B
117 B
1
1

DNS Request

XtsWMvgCm.nnnn.eu.org
8.8.8.8:53

PCIUkM7KF.nnnn.eu.org

dns

zskhost.exe

67 B
117 B
1
1

DNS Request

PCIUkM7KF.nnnn.eu.org
8.8.8.8:53

kbtUlipi3x.nnnn.eu.org

dns

zskhost.exe

68 B
118 B
1
1

DNS Request

kbtUlipi3x.nnnn.eu.org
8.8.8.8:53

KIafXCJqn.nnnn.eu.org

dns

zskhost.exe

67 B
117 B
1
1

DNS Request

KIafXCJqn.nnnn.eu.org
8.8.8.8:53

uylro9IyXP.nnnn.eu.org

dns

zskhost.exe

68 B
118 B
1
1

DNS Request

uylro9IyXP.nnnn.eu.org

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\zskhost.exe

Filesize
51KB

MD5
c8c2c208c0639622be1a5f05a01cb3a3

SHA1
48817f3857af266451ea869a7f53128c0ef7b0d5

SHA256
baee3ce9ce4d4e18451b95fbe9e22242a17b9620e82276eb5eafca69278d1e11

SHA512
6cf36cea368438f1f16ff4de4056e1d69ab2f3feb1c98127cbd8541ebe53912c03bccf29ae9b778243c0ab3dbf8633c3c4e29c7bfa9f5d85aa06a772869009e4

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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