0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588a

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-09-2024 06:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
Size

308KB
MD5

61bae7e633d9a6177738a1c2f4106990
SHA1

e898a7ed5273a147efbadcbe32619c35c823f3f1
SHA256

0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588a
SHA512

1c284247bed3e27efe7b34bc1dda93e8f37a750e1a6756451b381e7602469405211019ea1876354a506fdec71c6735f505a6c2983e263527a26fe39a03be58ce
SSDEEP

3072:/c3sBG7mXh7m/zZM3jAbNOM6CNtDCZFL:E3sBz0Z4Mj72F

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
155712	csrsll.exe
13836	csrsll.exe
98340	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/32516-73920-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/32516-73918-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/32516-73923-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/32516-73924-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/32516-73925-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/32516-141753-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/32516-147841-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/13836-147844-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 32516	2192	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	30
PID 155712 set thread context of 13836	155712	csrsll.exe	36
PID 155712 set thread context of 98340	155712	csrsll.exe	37

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 7 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe
Token: SeDebugPrivilege	13836	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2192	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
155712	csrsll.exe
13836	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 32516	2192	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	30
PID 2192 wrote to memory of 32516	2192	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	30
PID 2192 wrote to memory of 32516	2192	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	30
PID 2192 wrote to memory of 32516	2192	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	30
PID 2192 wrote to memory of 32516	2192	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	30
PID 2192 wrote to memory of 32516	2192	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	30
PID 2192 wrote to memory of 32516	2192	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	30
PID 2192 wrote to memory of 32516	2192	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	30
PID 32516 wrote to memory of 32664	32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	31
PID 32516 wrote to memory of 32664	32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	31
PID 32516 wrote to memory of 32664	32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	31
PID 32516 wrote to memory of 32664	32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	31
PID 32664 wrote to memory of 155692	32664	cmd.exe	33
PID 32664 wrote to memory of 155692	32664	cmd.exe	33
PID 32664 wrote to memory of 155692	32664	cmd.exe	33
PID 32664 wrote to memory of 155692	32664	cmd.exe	33
PID 32516 wrote to memory of 155712	32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	34
PID 32516 wrote to memory of 155712	32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	34
PID 32516 wrote to memory of 155712	32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	34
PID 32516 wrote to memory of 155712	32516	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	34
PID 155712 wrote to memory of 13836	155712	csrsll.exe	36
PID 155712 wrote to memory of 13836	155712	csrsll.exe	36
PID 155712 wrote to memory of 13836	155712	csrsll.exe	36
PID 155712 wrote to memory of 13836	155712	csrsll.exe	36
PID 155712 wrote to memory of 13836	155712	csrsll.exe	36
PID 155712 wrote to memory of 13836	155712	csrsll.exe	36
PID 155712 wrote to memory of 13836	155712	csrsll.exe	36
PID 155712 wrote to memory of 13836	155712	csrsll.exe	36
PID 155712 wrote to memory of 98340	155712	csrsll.exe	37
PID 155712 wrote to memory of 98340	155712	csrsll.exe	37
PID 155712 wrote to memory of 98340	155712	csrsll.exe	37
PID 155712 wrote to memory of 98340	155712	csrsll.exe	37
PID 155712 wrote to memory of 98340	155712	csrsll.exe	37
PID 155712 wrote to memory of 98340	155712	csrsll.exe	37
PID 155712 wrote to memory of 98340	155712	csrsll.exe	37
PID 155712 wrote to memory of 98340	155712	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
"C:\Users\Admin\AppData\Local\Temp\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
  "C:\Users\Admin\AppData\Local\Temp\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:32516
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\CSSQY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:32664
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:155692
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:155712
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:13836
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:98340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\CSSQY.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
308KB

MD5
63f421b6fe3d5f6efab339f9885bf054

SHA1
73f24f959d24e95ccbb43b653790ea2f47b64a2f

SHA256
fa1acf9e951136ce3077224825908b6a4ab6aa7e8d6bacd912ff6a62b87ab0c5

SHA512
66fbe6d0bbcdb7e524cb5b444ea30b074faab2c1050653b5a6e16d4d8a368006c19b676acc67fe5e46c3a4255164f65998854d5a6ef32a57276c824516b4646d

Download Submit
memory/2192-3-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2192-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/13836-147844-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/32516-73920-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/32516-73923-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/32516-73924-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/32516-73925-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/32516-73922-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/32516-73918-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/32516-141753-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/32516-147841-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/32516-73916-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/155712-73965-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads