91b4f76381a45cf01d211fd8f6f991be43a3fdfeb823c516585225aca406a6d5

General

Target

23ff89e2a3a76826a0ca7e115116cf93.exe
Size

168KB
MD5

23ff89e2a3a76826a0ca7e115116cf93
SHA1

47293ddb1d8ba3cf1680ec1d82b00d949d3ea2f8
SHA256

91b4f76381a45cf01d211fd8f6f991be43a3fdfeb823c516585225aca406a6d5
SHA512

ce1ea295e2bdedc2a1ad4e3df6f31c0fbbbe2e63b0036befab2da0761c6cb3b82a8057780d0b1adf2f61103f0c3b1ed693e1e84918f3f74e40425065190ebc9a
SSDEEP

3072:RyHL/PXRDWBxBZ14euW06NjoBXOWvBxlX8fRJ/dVlaW4GjqQ:UHLBWbZ10OjaXllsbr4GuQ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1540	services165.exe
1748	services165.exe

Loads dropped DLL 2 IoCs

pid	Process
3028	23ff89e2a3a76826a0ca7e115116cf93.exe
3028	23ff89e2a3a76826a0ca7e115116cf93.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe Reader Speed Launcher = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\services165.exe"	23ff89e2a3a76826a0ca7e115116cf93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe Reader Speed Launcher = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\services165.exe"	23ff89e2a3a76826a0ca7e115116cf93.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe Reader Speed Launcher = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\services165.exe"	services165.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe Reader Speed Launcher = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\services165.exe"	services165.exe

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	services165.exe
File opened (read-only)	\??\F:	services165.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Adobe Reader Speed Launcher = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\services165.exe"	23ff89e2a3a76826a0ca7e115116cf93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Adobe Reader Speed Launcher = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\services165.exe"	services165.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 3028	2788	23ff89e2a3a76826a0ca7e115116cf93.exe	29
PID 1540 set thread context of 1748	1540	services165.exe	31

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1748	services165.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	services165.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 3028	2788	23ff89e2a3a76826a0ca7e115116cf93.exe	29
PID 2788 wrote to memory of 3028	2788	23ff89e2a3a76826a0ca7e115116cf93.exe	29
PID 2788 wrote to memory of 3028	2788	23ff89e2a3a76826a0ca7e115116cf93.exe	29
PID 2788 wrote to memory of 3028	2788	23ff89e2a3a76826a0ca7e115116cf93.exe	29
PID 2788 wrote to memory of 3028	2788	23ff89e2a3a76826a0ca7e115116cf93.exe	29
PID 2788 wrote to memory of 3028	2788	23ff89e2a3a76826a0ca7e115116cf93.exe	29
PID 2788 wrote to memory of 3028	2788	23ff89e2a3a76826a0ca7e115116cf93.exe	29
PID 2788 wrote to memory of 3028	2788	23ff89e2a3a76826a0ca7e115116cf93.exe	29
PID 2788 wrote to memory of 3028	2788	23ff89e2a3a76826a0ca7e115116cf93.exe	29
PID 3028 wrote to memory of 1540	3028	23ff89e2a3a76826a0ca7e115116cf93.exe	30
PID 3028 wrote to memory of 1540	3028	23ff89e2a3a76826a0ca7e115116cf93.exe	30
PID 3028 wrote to memory of 1540	3028	23ff89e2a3a76826a0ca7e115116cf93.exe	30
PID 3028 wrote to memory of 1540	3028	23ff89e2a3a76826a0ca7e115116cf93.exe	30
PID 1540 wrote to memory of 1748	1540	services165.exe	31
PID 1540 wrote to memory of 1748	1540	services165.exe	31
PID 1540 wrote to memory of 1748	1540	services165.exe	31
PID 1540 wrote to memory of 1748	1540	services165.exe	31
PID 1540 wrote to memory of 1748	1540	services165.exe	31
PID 1540 wrote to memory of 1748	1540	services165.exe	31
PID 1540 wrote to memory of 1748	1540	services165.exe	31
PID 1540 wrote to memory of 1748	1540	services165.exe	31
PID 1540 wrote to memory of 1748	1540	services165.exe	31

C:\Users\Admin\AppData\Local\Temp\23ff89e2a3a76826a0ca7e115116cf93.exe
"C:\Users\Admin\AppData\Local\Temp\23ff89e2a3a76826a0ca7e115116cf93.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Users\Admin\AppData\Local\Temp\23ff89e2a3a76826a0ca7e115116cf93.exe
  "C:\Users\Admin\AppData\Local\Temp\23ff89e2a3a76826a0ca7e115116cf93.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Modifies WinLogon
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Users\Admin\AppData\Roaming\Microsoft\services165.exe
    -n
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1540
  - - C:\Users\Admin\AppData\Roaming\Microsoft\services165.exe
      -n
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Enumerates connected drives
      Modifies WinLogon
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\Microsoft\services165.exe

Filesize
168KB

MD5
23ff89e2a3a76826a0ca7e115116cf93

SHA1
47293ddb1d8ba3cf1680ec1d82b00d949d3ea2f8

SHA256
91b4f76381a45cf01d211fd8f6f991be43a3fdfeb823c516585225aca406a6d5

SHA512
ce1ea295e2bdedc2a1ad4e3df6f31c0fbbbe2e63b0036befab2da0761c6cb3b82a8057780d0b1adf2f61103f0c3b1ed693e1e84918f3f74e40425065190ebc9a

Download Submit
memory/1748-48-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1748-45-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1748-44-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1748-42-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3028-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3028-12-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3028-13-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3028-15-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3028-10-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3028-23-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3028-8-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3028-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3028-4-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3028-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads