bd68fc985b4909b2bd203be78325ea724a50b7d6b02e5453a6fdbd3923d6ea17

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 02:05

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General

Target

bd68fc985b4909b2bd203be78325ea724a50b7d6b02e5453a6fdbd3923d6ea17N.exe
Size

468KB
MD5

fd2076f544be805bca9f4b3825ba0e10
SHA1

c7a79ebb429cf1f30b49b87f21cc69b86b1e7d4f
SHA256

bd68fc985b4909b2bd203be78325ea724a50b7d6b02e5453a6fdbd3923d6ea17
SHA512

bbf7608d8454f15c823757a7d3e3db686bdc61cd2b512342bcc391b2c19ad80008deb5eada4c5a309daa3a5866202a5879cfbaca6d4ec4e08d70c32a7a567f5d
SSDEEP

12288:yhClC8WGvjPJYo4yV2UoWUOAhY6fUHcxRNq93LZrS:TNQHY1

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1732	cyxZH.exe.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	cyxZH.exe.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0009000000012119-9.dat	upx
behavioral1/memory/1732-10-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/1732-24-0x0000000000400000-0x0000000000431000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cyxZH.exe.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1732	cyxZH.exe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 1732	2876	bd68fc985b4909b2bd203be78325ea724a50b7d6b02e5453a6fdbd3923d6ea17N.exe	29
PID 2876 wrote to memory of 1732	2876	bd68fc985b4909b2bd203be78325ea724a50b7d6b02e5453a6fdbd3923d6ea17N.exe	29
PID 2876 wrote to memory of 1732	2876	bd68fc985b4909b2bd203be78325ea724a50b7d6b02e5453a6fdbd3923d6ea17N.exe	29
PID 2876 wrote to memory of 1732	2876	bd68fc985b4909b2bd203be78325ea724a50b7d6b02e5453a6fdbd3923d6ea17N.exe	29

C:\Users\Admin\AppData\Local\Temp\bd68fc985b4909b2bd203be78325ea724a50b7d6b02e5453a6fdbd3923d6ea17N.exe
"C:\Users\Admin\AppData\Local\Temp\bd68fc985b4909b2bd203be78325ea724a50b7d6b02e5453a6fdbd3923d6ea17N.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\cyxZH.exe.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\cyxZH.exe.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1732
- - C:\Users\Admin\AppData\Roaming\1.exe
    C:\Users\Admin\AppData\Roaming\1.exe
    3⤵
    PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\cyxZH.exe.exe

Filesize
168KB

MD5
dc6bf6458b421a66acb6bf04e268f077

SHA1
2e4b2430c2f649bdc1eabd94509a1f3f5aeea902

SHA256
5b7056c0b7da879e983adf7be0c5fd3818ba647c06b73b20a5a8951315e9cfca

SHA512
9ae6fff466d8a999ad3438f60b9003d2dfb4d8625cb0c44395a729a62773509ee53489db09ddb81778817bb706b4374976a1b60a03adb99a763ce05fb18c1569

Download Submit
C:\Users\Admin\AppData\Roaming\kernel33.dll

Filesize
1.1MB

MD5
e14ba6a9464bed1127c50214acaf0c1a

SHA1
3eeda63ac8209ffa2e1beeefdde6531e61f8dc4d

SHA256
fd250c2054019c58dd71ac4469ee821b67dfa36a439091ad17969f6d4090da38

SHA512
55a7ad5ea8617e8066b2854556e54e1688c70d80b6921eab3020a1bb6cc741320f5f0d63cf067864505877e010d69caa2a7bff890dd037da7efbc3e679ab9c26

Download Submit
memory/1732-10-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1732-24-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2876-0-0x000007FEF631E000-0x000007FEF631F000-memory.dmp

Filesize
4KB

Download
memory/2876-3-0x000007FEF6060000-0x000007FEF69FD000-memory.dmp

Filesize
9.6MB

Download
memory/2876-8-0x000007FEF6060000-0x000007FEF69FD000-memory.dmp

Filesize
9.6MB

Download
memory/2876-12-0x000007FEF6060000-0x000007FEF69FD000-memory.dmp

Filesize
9.6MB

Download