dc8f61ffb998cd0655ec9ded6183b0d4db9548722d5ffa2ced71b6fb251c5bd2

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 14:35

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General

Target

75fec76e56944264d7dafd729caa69d0.exe
Size

433KB
MD5

75fec76e56944264d7dafd729caa69d0
SHA1

0111407ec55b8fe06645f701c9538eccc402e767
SHA256

dc8f61ffb998cd0655ec9ded6183b0d4db9548722d5ffa2ced71b6fb251c5bd2
SHA512

85ddad170ef71a5a9f4c5e07879f96043532cc53503f5b701288cf64401119f7e31dbac7e97d663b6f39700abd3fd5f8dbc803fe1b09f17af81ecf32fc184213
SSDEEP

12288:njkArEN249AyE/rbaMct4bO2/bY4B+XxBZV4l6L/V03EWWI97:EFE//Tct4bOsQhnVa6DV0UA7

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2452-0-0x0000000000400000-0x00000000004C0000-memory.dmp	upx
behavioral1/memory/2452-3-0x0000000000400000-0x00000000004C0000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2452-3-0x0000000000400000-0x00000000004C0000-memory.dmp	autoit_exe

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

System Information Discovery
T1082

Kills process with taskkill 3 IoCs

evasion

pid	Process
2848	taskkill.exe
2344	taskkill.exe
2576	taskkill.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2848	taskkill.exe
Token: SeDebugPrivilege	2344	taskkill.exe
Token: SeDebugPrivilege	2576	taskkill.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2288	2452	75fec76e56944264d7dafd729caa69d0.exe	28
PID 2452 wrote to memory of 2288	2452	75fec76e56944264d7dafd729caa69d0.exe	28
PID 2452 wrote to memory of 2288	2452	75fec76e56944264d7dafd729caa69d0.exe	28
PID 2452 wrote to memory of 2288	2452	75fec76e56944264d7dafd729caa69d0.exe	28
PID 2452 wrote to memory of 2392	2452	75fec76e56944264d7dafd729caa69d0.exe	30
PID 2452 wrote to memory of 2392	2452	75fec76e56944264d7dafd729caa69d0.exe	30
PID 2452 wrote to memory of 2392	2452	75fec76e56944264d7dafd729caa69d0.exe	30
PID 2452 wrote to memory of 2392	2452	75fec76e56944264d7dafd729caa69d0.exe	30
PID 2392 wrote to memory of 2848	2392	cmd.exe	32
PID 2392 wrote to memory of 2848	2392	cmd.exe	32
PID 2392 wrote to memory of 2848	2392	cmd.exe	32
PID 2392 wrote to memory of 2848	2392	cmd.exe	32
PID 2452 wrote to memory of 2812	2452	75fec76e56944264d7dafd729caa69d0.exe	34
PID 2452 wrote to memory of 2812	2452	75fec76e56944264d7dafd729caa69d0.exe	34
PID 2452 wrote to memory of 2812	2452	75fec76e56944264d7dafd729caa69d0.exe	34
PID 2452 wrote to memory of 2812	2452	75fec76e56944264d7dafd729caa69d0.exe	34
PID 2812 wrote to memory of 2344	2812	cmd.exe	36
PID 2812 wrote to memory of 2344	2812	cmd.exe	36
PID 2812 wrote to memory of 2344	2812	cmd.exe	36
PID 2812 wrote to memory of 2344	2812	cmd.exe	36
PID 2452 wrote to memory of 2584	2452	75fec76e56944264d7dafd729caa69d0.exe	37
PID 2452 wrote to memory of 2584	2452	75fec76e56944264d7dafd729caa69d0.exe	37
PID 2452 wrote to memory of 2584	2452	75fec76e56944264d7dafd729caa69d0.exe	37
PID 2452 wrote to memory of 2584	2452	75fec76e56944264d7dafd729caa69d0.exe	37
PID 2584 wrote to memory of 2676	2584	cmd.exe	39
PID 2584 wrote to memory of 2676	2584	cmd.exe	39
PID 2584 wrote to memory of 2676	2584	cmd.exe	39
PID 2584 wrote to memory of 2676	2584	cmd.exe	39
PID 2452 wrote to memory of 2616	2452	75fec76e56944264d7dafd729caa69d0.exe	40
PID 2452 wrote to memory of 2616	2452	75fec76e56944264d7dafd729caa69d0.exe	40
PID 2452 wrote to memory of 2616	2452	75fec76e56944264d7dafd729caa69d0.exe	40
PID 2452 wrote to memory of 2616	2452	75fec76e56944264d7dafd729caa69d0.exe	40
PID 2616 wrote to memory of 2576	2616	cmd.exe	42
PID 2616 wrote to memory of 2576	2616	cmd.exe	42
PID 2616 wrote to memory of 2576	2616	cmd.exe	42
PID 2616 wrote to memory of 2576	2616	cmd.exe	42
PID 2452 wrote to memory of 1680	2452	75fec76e56944264d7dafd729caa69d0.exe	43
PID 2452 wrote to memory of 1680	2452	75fec76e56944264d7dafd729caa69d0.exe	43
PID 2452 wrote to memory of 1680	2452	75fec76e56944264d7dafd729caa69d0.exe	43
PID 2452 wrote to memory of 1680	2452	75fec76e56944264d7dafd729caa69d0.exe	43
PID 1680 wrote to memory of 2012	1680	cmd.exe	45
PID 1680 wrote to memory of 2012	1680	cmd.exe	45
PID 1680 wrote to memory of 2012	1680	cmd.exe	45
PID 1680 wrote to memory of 2012	1680	cmd.exe	45

C:\Users\Admin\AppData\Local\Temp\75fec76e56944264d7dafd729caa69d0.exe
"C:\Users\Admin\AppData\Local\Temp\75fec76e56944264d7dafd729caa69d0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c khmsg
  2⤵
  PID:2288
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /f /im NXPRUN.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im NXPRUN.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2848
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /f /im NxpAuxSvc.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im NxpAuxSvc.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2344
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C REG IMPORT "C:\Windows\SysWOW64\zc.lst"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\SysWOW64\reg.exe
    REG IMPORT "C:\Windows\SysWOW64\zc.lst"
    3⤵
    PID:2676
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /f /im explorer.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im explorer.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2576
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c start explorer.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2012

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{682159d9-c321-47ca-b3f1-30e36b2ec8b9} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
PID:676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/676-4-0x0000000003A40000-0x0000000003A50000-memory.dmp

Filesize
64KB

Download
memory/676-5-0x0000000003A30000-0x0000000003A31000-memory.dmp

Filesize
4KB

Download
memory/676-6-0x0000000003A30000-0x0000000003A31000-memory.dmp

Filesize
4KB

Download
memory/2452-0-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2452-3-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download