4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772

General

Target

4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe
Size

280KB
MD5

5894805aaa3a51eebd7d94578c056980
SHA1

9febdc5b113083c338bea61af7b1e435d3d4c03f
SHA256

4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772
SHA512

65af87cd534cfa371be5af254c3d2826a5a8d34dcafc92f0d98c4497610064ca0a0e07ae03daaf3f830ffbcca1795bf7c0542b29ebce101d45f96820d5bf7604
SSDEEP

6144:E+sA4cO1nVqHXYM0CCVMZ+sA4cO1nVqHHYM0CCVZ:EJAFRYLVMZJAFRYLVZ

Score

7^/10

discovery evasion persistence trojan

Malware Config

Signatures

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe

Executes dropped EXE 2 IoCs

pid	Process
1396	ntfsus.exe
2864	SMSS.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\com\SMSS.EXE	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe
File created	C:\Windows\SysWOW64\com\SMSS.EXE	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe

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 5 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	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cacls.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe
4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe
4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe
4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 2516	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	82
PID 4260 wrote to memory of 2516	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	82
PID 4260 wrote to memory of 2516	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	82
PID 4260 wrote to memory of 632	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	83
PID 4260 wrote to memory of 632	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	83
PID 4260 wrote to memory of 632	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	83
PID 4260 wrote to memory of 908	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	85
PID 4260 wrote to memory of 908	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	85
PID 4260 wrote to memory of 908	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	85
PID 4260 wrote to memory of 1396	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	88
PID 4260 wrote to memory of 1396	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	88
PID 4260 wrote to memory of 1396	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	88
PID 4260 wrote to memory of 2456	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	89
PID 4260 wrote to memory of 2456	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	89
PID 4260 wrote to memory of 2456	4260	4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe	89
PID 2456 wrote to memory of 2864	2456	cmd.exe	91
PID 2456 wrote to memory of 2864	2456	cmd.exe	91
PID 2456 wrote to memory of 2864	2456	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe
"C:\Users\Admin\AppData\Local\Temp\4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Windows\SysWOW64\cacls.exe
  "C:\Windows\System32\cacls.exe" C:\Windows\system32\com /e /t /g Admin:F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2516
- C:\Windows\SysWOW64\cacls.exe
  "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\LSASS.EXE /e /t /g Admin:F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:632
- C:\Windows\SysWOW64\cacls.exe
  "C:\Windows\System32\cacls.exe" C:\Windows\system32\com\SMSS.EXE /e /t /g Admin:F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:908
- C:\ntfsus.exe
  C:\ntfsus.exe
  2⤵
  - Executes dropped EXE
  PID:1396
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c "C:\Windows\system32\com\SMSS.EXE c:\users\admin\appdata\local\temp\4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772n.exe^|c:\users\admin\appdata\local\temp\4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772n.exe.log"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\com\SMSS.EXE
    C:\Windows\system32\com\SMSS.EXE c:\users\admin\appdata\local\temp\4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772n.exe|c:\users\admin\appdata\local\temp\4de2ceaf51eb42d520acf8e08c9750789db257afb6be05e24c4a3b2fbc4f0772n.exe.log
    3⤵
    - Executes dropped EXE
    PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\com\SMSS.EXE

Filesize
9KB

MD5
b2d5b77c463a4b6f7711333c2b4b8be2

SHA1
c53e3ac0256236e871f7516c9bb0d82d302a0514

SHA256
d684183769ac6939f8bd02d633f6a10d6c68130f52814196afe3ce8519cdfd7a

SHA512
55d89e89e25bbb8f40406f0e6cf4bf10c6e0f62649897b352a791e833cd0ad8b485a7b4508e0a4585d77befc5c30f0003b35adfeb4ee19e01508970e5bb9106b

Download Submit
C:\ntfsus.exe

Filesize
46KB

MD5
2530e171448c1d3805aa494d95967517

SHA1
d79870e9b2121af8a50e787bf3f89fc507bbe9a2

SHA256
b1d177fbbc1fc7fc19138d7c1216cc1071809ec0f60ef550dc7f200710e46050

SHA512
af08b275ed78d5326c287e98014497b693455680e637c11a6704e762075ac2da711c7c79033e9ab297e9bcf39fec38fd462c65e1036a657918ab9ff52a45117f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads