f5693becf4a2e8549fe49827aa7c9ab7cf9189b4fed82a1dfa58d773685fb241

Analysis

max time kernel
41s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12-10-2022 16:18

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General

Target

f5693becf4a2e8549fe49827aa7c9ab7cf9189b4fed82a1dfa58d773685fb241.dll
Size

21KB
MD5

6f5c7de912fd3e51d6d80a7c86148440
SHA1

fe446ce6fe476261e69018fd98ea77ce8140ede0
SHA256

f5693becf4a2e8549fe49827aa7c9ab7cf9189b4fed82a1dfa58d773685fb241
SHA512

3cafab4d44435a5cb5b85538af0f56958c6b281453acb8cf58c07f4dc5538e1ba6ed3f541a276aac1de48e0ba3911e2b5940332a5881f4d11d8d6823ea6b0bca
SSDEEP

384:/LWCpCJ6x37z8MxLvLW9GhOEv+fmuhx+VqC0eWPpnwDL9ADemjx5uo:TzZhFxLDW9Gc9fmuhxKqCCyL93mP

Score

8^/10

evasion upx

Malware Config

Signatures

Stops running service(s) 3 TTPs
evasion

Modify Existing Service
T1031

Impair Defenses
T1562

Service Stop
T1489

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2040-61-0x00000000000F0000-0x000000000010F000-memory.dmp	upx
behavioral1/memory/2040-66-0x00000000000F0000-0x000000000010F000-memory.dmp	upx

Launches sc.exe 4 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1788	sc.exe
1692	sc.exe
2032	sc.exe
1972	sc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe
2040	rundll32.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	rundll32.exe
Token: SeRestorePrivilege	2040	rundll32.exe
Token: SeRestorePrivilege	2040	rundll32.exe
Token: SeRestorePrivilege	2040	rundll32.exe
Token: SeRestorePrivilege	2040	rundll32.exe
Token: SeRestorePrivilege	2040	rundll32.exe
Token: SeRestorePrivilege	2040	rundll32.exe
Token: SeRestorePrivilege	2040	rundll32.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2040	1152	rundll32.exe	27
PID 1152 wrote to memory of 2040	1152	rundll32.exe	27
PID 1152 wrote to memory of 2040	1152	rundll32.exe	27
PID 1152 wrote to memory of 2040	1152	rundll32.exe	27
PID 1152 wrote to memory of 2040	1152	rundll32.exe	27
PID 1152 wrote to memory of 2040	1152	rundll32.exe	27
PID 1152 wrote to memory of 2040	1152	rundll32.exe	27
PID 2040 wrote to memory of 1044	2040	rundll32.exe	28
PID 2040 wrote to memory of 1044	2040	rundll32.exe	28
PID 2040 wrote to memory of 1044	2040	rundll32.exe	28
PID 2040 wrote to memory of 1044	2040	rundll32.exe	28
PID 2040 wrote to memory of 2032	2040	rundll32.exe	30
PID 2040 wrote to memory of 2032	2040	rundll32.exe	30
PID 2040 wrote to memory of 2032	2040	rundll32.exe	30
PID 2040 wrote to memory of 2032	2040	rundll32.exe	30
PID 2040 wrote to memory of 1972	2040	rundll32.exe	32
PID 2040 wrote to memory of 1972	2040	rundll32.exe	32
PID 2040 wrote to memory of 1972	2040	rundll32.exe	32
PID 2040 wrote to memory of 1972	2040	rundll32.exe	32
PID 2040 wrote to memory of 1788	2040	rundll32.exe	34
PID 2040 wrote to memory of 1788	2040	rundll32.exe	34
PID 2040 wrote to memory of 1788	2040	rundll32.exe	34
PID 2040 wrote to memory of 1788	2040	rundll32.exe	34
PID 2040 wrote to memory of 1692	2040	rundll32.exe	36
PID 2040 wrote to memory of 1692	2040	rundll32.exe	36
PID 2040 wrote to memory of 1692	2040	rundll32.exe	36
PID 2040 wrote to memory of 1692	2040	rundll32.exe	36

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5693becf4a2e8549fe49827aa7c9ab7cf9189b4fed82a1dfa58d773685fb241.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5693becf4a2e8549fe49827aa7c9ab7cf9189b4fed82a1dfa58d773685fb241.dll,#1
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2040
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\System32\reg.exe import "C:\Users\Admin\qtuf.avi"
    3⤵
    PID:1044
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe config PolicyAgent start=auto
    3⤵
    - Launches sc.exe
    PID:2032
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    PID:1972
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe start PolicyAgent
    3⤵
    - Launches sc.exe
    PID:1788
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\System32\sc.exe stop PolicyAgent
    3⤵
    - Launches sc.exe
    PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\qtuf.avi

Filesize
56KB

MD5
bc8025bc98da7f4ed891c9f9991d3ff1

SHA1
70a69a7fcebe9b43f00a1fa713e3a0621bf3ac6d

SHA256
59b9dc39d69f8b0aa350f550e42e632b396237865776d0ce75477f8fe3f9016f

SHA512
7f772261e003d2df9162ae4aeaab2bda674ee2721b3300cc8b2a2f4904af6bc9c565c7f2c3e67a7394eb1a387860a2544fc5bdc3e6de384b664f8d232ad6acf5

Download Submit
memory/1044-56-0x0000000000000000-mapping.dmp

Download
memory/1692-65-0x0000000000000000-mapping.dmp

Download
memory/1788-64-0x0000000000000000-mapping.dmp

Download
memory/1972-63-0x0000000000000000-mapping.dmp

Download
memory/2032-62-0x0000000000000000-mapping.dmp

Download
memory/2040-60-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download
memory/2040-59-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download
memory/2040-61-0x00000000000F0000-0x000000000010F000-memory.dmp

Filesize
124KB

Download
memory/2040-54-0x0000000000000000-mapping.dmp

Download
memory/2040-58-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download
memory/2040-55-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/2040-66-0x00000000000F0000-0x000000000010F000-memory.dmp

Filesize
124KB

Download