e46615f5b0889ce0e5ad823d3d9ac0cb096765ce42c57d48ab33a85d341ad1e0

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 13:29

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General

Target

8c715b595c817d0329225d6ac38f589c.exe
Size

1.4MB
MD5

8c715b595c817d0329225d6ac38f589c
SHA1

7f4fd357056b846cf0ba7d27af3b9cbb59f18fa9
SHA256

e46615f5b0889ce0e5ad823d3d9ac0cb096765ce42c57d48ab33a85d341ad1e0
SHA512

9da7288367be001fd951335841d8ded0d1bcf41c15a41dae521cf28c30bfd080121f7899885bca06dd34f2679dd9d94d521a147ca482d1cf52a6c9c68f27c9e4
SSDEEP

24576:wL0mqdRkD33/hnheiisfPxREPu3sjleyqULE1XOu6JPX3Jmj:wolODnreAfJREze7/XOdpnU

Score

8^/10

persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	services.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft.exe	services.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft.exe	services.exe

Executes dropped EXE 1 IoCs

pid	Process
2836	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows OS = "C:\\Program Files\\Internet Explorer\\services.exe"	services.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Microsoft Windows OS = "C:\\Program Files\\Internet Explorer\\services.exe"	services.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	8c715b595c817d0329225d6ac38f589c.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	8c715b595c817d0329225d6ac38f589c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	services.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	services.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\services.exe	8c715b595c817d0329225d6ac38f589c.exe
File opened for modification	C:\Program Files\Internet Explorer\services.exe	8c715b595c817d0329225d6ac38f589c.exe
File created	C:\Program Files\Internet Explorer\ID.Conf	services.exe
File opened for modification	C:\Program Files\Internet Explorer\services.exe	services.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2456	8c715b595c817d0329225d6ac38f589c.exe
2456	8c715b595c817d0329225d6ac38f589c.exe
2456	8c715b595c817d0329225d6ac38f589c.exe
2456	8c715b595c817d0329225d6ac38f589c.exe
2456	8c715b595c817d0329225d6ac38f589c.exe
2456	8c715b595c817d0329225d6ac38f589c.exe
2456	8c715b595c817d0329225d6ac38f589c.exe
2456	8c715b595c817d0329225d6ac38f589c.exe
2456	8c715b595c817d0329225d6ac38f589c.exe
2456	8c715b595c817d0329225d6ac38f589c.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe
2836	services.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2456	8c715b595c817d0329225d6ac38f589c.exe
Token: SeDebugPrivilege	2836	services.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 2836	2456	8c715b595c817d0329225d6ac38f589c.exe	28
PID 2456 wrote to memory of 2836	2456	8c715b595c817d0329225d6ac38f589c.exe	28
PID 2456 wrote to memory of 2836	2456	8c715b595c817d0329225d6ac38f589c.exe	28
PID 2836 wrote to memory of 2728	2836	services.exe	29
PID 2836 wrote to memory of 2728	2836	services.exe	29
PID 2836 wrote to memory of 2728	2836	services.exe	29
PID 2728 wrote to memory of 2560	2728	cmd.exe	31
PID 2728 wrote to memory of 2560	2728	cmd.exe	31
PID 2728 wrote to memory of 2560	2728	cmd.exe	31
PID 2560 wrote to memory of 2556	2560	net.exe	32
PID 2560 wrote to memory of 2556	2560	net.exe	32
PID 2560 wrote to memory of 2556	2560	net.exe	32

C:\Users\Admin\AppData\Local\Temp\8c715b595c817d0329225d6ac38f589c.exe
"C:\Users\Admin\AppData\Local\Temp\8c715b595c817d0329225d6ac38f589c.exe"
1⤵
- Maps connected drives based on registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Program Files\Internet Explorer\services.exe
  "C:\Program Files\Internet Explorer\services.exe"
  2⤵
  - Drops file in Drivers directory
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Maps connected drives based on registry
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\system32\cmd.exe
    cmd.exe /c net stop "Security Center"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - C:\Windows\system32\net.exe
      net stop "Security Center"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2560
    - - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        5⤵
        
        PID:2556

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Internet Explorer\services.exe

Filesize
1.4MB

MD5
8c715b595c817d0329225d6ac38f589c

SHA1
7f4fd357056b846cf0ba7d27af3b9cbb59f18fa9

SHA256
e46615f5b0889ce0e5ad823d3d9ac0cb096765ce42c57d48ab33a85d341ad1e0

SHA512
9da7288367be001fd951335841d8ded0d1bcf41c15a41dae521cf28c30bfd080121f7899885bca06dd34f2679dd9d94d521a147ca482d1cf52a6c9c68f27c9e4

Download Submit
memory/2456-1-0x0000000000B00000-0x0000000000B80000-memory.dmp

Filesize
512KB

Download
memory/2456-0-0x000007FEF5A80000-0x000007FEF641D000-memory.dmp

Filesize
9.6MB

Download
memory/2456-2-0x000007FEF5A80000-0x000007FEF641D000-memory.dmp

Filesize
9.6MB

Download
memory/2456-3-0x0000000000B00000-0x0000000000B80000-memory.dmp

Filesize
512KB

Download
memory/2456-10-0x000007FEF5A80000-0x000007FEF641D000-memory.dmp

Filesize
9.6MB

Download
memory/2836-11-0x000007FEF5A80000-0x000007FEF641D000-memory.dmp

Filesize
9.6MB

Download
memory/2836-12-0x00000000020A0000-0x0000000002120000-memory.dmp

Filesize
512KB

Download
memory/2836-13-0x000007FEF5A80000-0x000007FEF641D000-memory.dmp

Filesize
9.6MB

Download
memory/2836-14-0x00000000020A0000-0x0000000002120000-memory.dmp

Filesize
512KB

Download
memory/2836-18-0x000000001BD40000-0x000000001BE40000-memory.dmp

Filesize
1024KB

Download
memory/2836-19-0x000007FEF5A80000-0x000007FEF641D000-memory.dmp

Filesize
9.6MB

Download
memory/2836-20-0x00000000020A0000-0x0000000002120000-memory.dmp

Filesize
512KB

Download
memory/2836-21-0x00000000020A0000-0x0000000002120000-memory.dmp

Filesize
512KB

Download