e46615f5b0889ce0e5ad823d3d9ac0cb096765ce42c57d48ab33a85d341ad1e0

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	8c715b595c817d0329225d6ac38f589c.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
4196	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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows OS = "C:\\Program Files\\Internet Explorer\\services.exe"	services.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\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 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	8c715b595c817d0329225d6ac38f589c.exe

Drops file in Program Files directory 4 IoCs

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

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\Local Settings	rundll32.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4056	8c715b595c817d0329225d6ac38f589c.exe
4056	8c715b595c817d0329225d6ac38f589c.exe
4056	8c715b595c817d0329225d6ac38f589c.exe
4056	8c715b595c817d0329225d6ac38f589c.exe
4056	8c715b595c817d0329225d6ac38f589c.exe
4056	8c715b595c817d0329225d6ac38f589c.exe
4056	8c715b595c817d0329225d6ac38f589c.exe
4056	8c715b595c817d0329225d6ac38f589c.exe
4056	8c715b595c817d0329225d6ac38f589c.exe
4056	8c715b595c817d0329225d6ac38f589c.exe
4056	8c715b595c817d0329225d6ac38f589c.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe
4196	services.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4056	8c715b595c817d0329225d6ac38f589c.exe
Token: SeDebugPrivilege	4196	services.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4056 wrote to memory of 4196	4056	8c715b595c817d0329225d6ac38f589c.exe	94
PID 4056 wrote to memory of 4196	4056	8c715b595c817d0329225d6ac38f589c.exe	94
PID 4196 wrote to memory of 5072	4196	services.exe	96
PID 4196 wrote to memory of 5072	4196	services.exe	96
PID 5072 wrote to memory of 1824	5072	cmd.exe	97
PID 5072 wrote to memory of 1824	5072	cmd.exe	97
PID 1824 wrote to memory of 4748	1824	net.exe	98
PID 1824 wrote to memory of 4748	1824	net.exe	98

C:\Users\Admin\AppData\Local\Temp\8c715b595c817d0329225d6ac38f589c.exe
"C:\Users\Admin\AppData\Local\Temp\8c715b595c817d0329225d6ac38f589c.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4056
- 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:4196
- - C:\Windows\SYSTEM32\cmd.exe
    cmd.exe /c net stop "Security Center"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5072
  - - C:\Windows\system32\net.exe
      net stop "Security Center"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1824
    - - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        5⤵
        
        PID:4748

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\FirewallControlPanel.dll,ShowWarningDialog "C:\Program Files\Internet Explorer\services.exe"
1⤵
- Modifies registry class
PID:4844

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

Filesize
925KB

MD5
33782b9fd123881c21dc56a4cc07c3ae

SHA1
05cc7d21bc15bab843697b1471cda97dce17610d

SHA256
44db9181293c9780d8618fc4bde48c93e9434e0324cb20dd660b04c757a59d83

SHA512
cb1bd816ea2cae9ebd68122fca1f299a8fbc2481fde97e5bfdc0456b722e8baf9738acf567cfae8962844ddcce5c069a9c4b8432db98b510e78907ff049d6710

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

Filesize
650KB

MD5
622328cba93f08605f2c88f8d5c4393e

SHA1
6f2de906b90163b261719de7e06feb3a274e5220

SHA256
3d200780b1ca6518ce1039bef37712efee8287cf968f40022db446f6089f56e9

SHA512
487f71233a397487a26ade53020f600c46bfa09efc8e48f6ddcae93583ea30260bdcd2c41891219800e05c029dc113e23c89e8d042ba9495320860c8ad95ce92

Download Submit
memory/4056-8-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

Filesize
64KB

Download
memory/4056-2-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

Filesize
9.6MB

Download
memory/4056-5-0x000000001B710000-0x000000001B7AC000-memory.dmp

Filesize
624KB

Download
memory/4056-6-0x0000000000D60000-0x0000000000D68000-memory.dmp

Filesize
32KB

Download
memory/4056-7-0x000000001B8E0000-0x000000001B92C000-memory.dmp

Filesize
304KB

Download
memory/4056-0-0x000000001B5A0000-0x000000001B646000-memory.dmp

Filesize
664KB

Download
memory/4056-3-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

Filesize
64KB

Download
memory/4056-4-0x000000001C360000-0x000000001C82E000-memory.dmp

Filesize
4.8MB

Download
memory/4056-1-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

Filesize
9.6MB

Download
memory/4056-22-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

Filesize
9.6MB

Download
memory/4196-23-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

Filesize
9.6MB

Download
memory/4196-24-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

Filesize
9.6MB

Download
memory/4196-26-0x000000001FA20000-0x000000001FA82000-memory.dmp

Filesize
392KB

Download
memory/4196-29-0x000000001E400000-0x000000001E500000-memory.dmp

Filesize
1024KB

Download
memory/4196-30-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

Filesize
9.6MB

Download