5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82

General

Target

5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
Size

2.3MB
MD5

21f907c5a98e33dafae34abb65d3372c
SHA1

e25107343cb1c978c7905260b5ac0208e0ee5dd6
SHA256

5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82
SHA512

8c4242756784040c677e07928de099e15223e1a14509e9a351843eb262a7031cc73f57453f250b212874bd3e72790ae4d4d552ed31a4479e2cfa1a31080b8c4b
SSDEEP

49152:tiizCouK9TOi91khWPOmisL3GAGUTMT3x28:T98+CTk8

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1952	ntldr.exe

Loads dropped DLL 6 IoCs

pid	Process
1880	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
1880	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
2036	WerFault.exe
2036	WerFault.exe
2036	WerFault.exe
2036	WerFault.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NT4 hosting service = "C:\\Windows\\system32\\ntldr.exe"	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	ntldr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NT4 hosting service = "C:\\Windows\\system32\\ntldr.exe"	ntldr.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntldr.exe	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
File created	C:\Windows\SysWOW64\ntldr.exe	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
File opened for modification	C:\Windows\SysWOW64\RCXE92.tmp	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
File opened for modification	C:\Windows\SysWOW64\ntldr.exe	ntldr.exe
File created	C:\Windows\SysWOW64\ntldr.exe	ntldr.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1116	1880	WerFault.exe	1
2036	1952	WerFault.exe	27

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1952	1880	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe	27
PID 1880 wrote to memory of 1952	1880	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe	27
PID 1880 wrote to memory of 1952	1880	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe	27
PID 1880 wrote to memory of 1952	1880	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe	27
PID 1880 wrote to memory of 1116	1880	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe	28
PID 1880 wrote to memory of 1116	1880	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe	28
PID 1880 wrote to memory of 1116	1880	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe	28
PID 1880 wrote to memory of 1116	1880	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe	28
PID 1952 wrote to memory of 2036	1952	ntldr.exe	29
PID 1952 wrote to memory of 2036	1952	ntldr.exe	29
PID 1952 wrote to memory of 2036	1952	ntldr.exe	29
PID 1952 wrote to memory of 2036	1952	ntldr.exe	29

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDriveTypeAutoRun = "0"	ntldr.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDriveAutoRun = "0"	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDriveTypeAutoRun = "0"	5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	ntldr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoDriveAutoRun = "0"	ntldr.exe

C:\Users\Admin\AppData\Local\Temp\5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe
"C:\Users\Admin\AppData\Local\Temp\5fba428837ecfa89ad1008946c8f48be79e3ce5916bfe75772cde5d067828a82.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1880
- C:\Windows\SysWOW64\ntldr.exe
  "C:\Windows\system32\ntldr.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1952
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 116
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 116
  2⤵
  - Program crash
  PID:1116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\ntldr.exe

Filesize
24KB

MD5
45d6e9d9640bbe2647d907e543b5cfb3

SHA1
f343dcc032f7c287b1f7c47d75280e961c579129

SHA256
d81b6465f323347d3474e4a89d4da28f750ec106554e57729def2e2be07062cc

SHA512
608759a95bc6375c677e32486b41d15d6c5d9f9a5b7e2623d1331d13eea982786dfeae17da4b576b504e8419f833e3789d185898ae067eafe5286b0069c97f9f

Download Submit
C:\Windows\SysWOW64\ntldr.exe

Filesize
24KB

MD5
45d6e9d9640bbe2647d907e543b5cfb3

SHA1
f343dcc032f7c287b1f7c47d75280e961c579129

SHA256
d81b6465f323347d3474e4a89d4da28f750ec106554e57729def2e2be07062cc

SHA512
608759a95bc6375c677e32486b41d15d6c5d9f9a5b7e2623d1331d13eea982786dfeae17da4b576b504e8419f833e3789d185898ae067eafe5286b0069c97f9f

Download Submit
\Windows\SysWOW64\ntldr.exe

Filesize
24KB

MD5
45d6e9d9640bbe2647d907e543b5cfb3

SHA1
f343dcc032f7c287b1f7c47d75280e961c579129

SHA256
d81b6465f323347d3474e4a89d4da28f750ec106554e57729def2e2be07062cc

SHA512
608759a95bc6375c677e32486b41d15d6c5d9f9a5b7e2623d1331d13eea982786dfeae17da4b576b504e8419f833e3789d185898ae067eafe5286b0069c97f9f

Download Submit
\Windows\SysWOW64\ntldr.exe

Filesize
24KB

MD5
45d6e9d9640bbe2647d907e543b5cfb3

SHA1
f343dcc032f7c287b1f7c47d75280e961c579129

SHA256
d81b6465f323347d3474e4a89d4da28f750ec106554e57729def2e2be07062cc

SHA512
608759a95bc6375c677e32486b41d15d6c5d9f9a5b7e2623d1331d13eea982786dfeae17da4b576b504e8419f833e3789d185898ae067eafe5286b0069c97f9f

Download Submit
\Windows\SysWOW64\ntldr.exe

Filesize
24KB

MD5
45d6e9d9640bbe2647d907e543b5cfb3

SHA1
f343dcc032f7c287b1f7c47d75280e961c579129

SHA256
d81b6465f323347d3474e4a89d4da28f750ec106554e57729def2e2be07062cc

SHA512
608759a95bc6375c677e32486b41d15d6c5d9f9a5b7e2623d1331d13eea982786dfeae17da4b576b504e8419f833e3789d185898ae067eafe5286b0069c97f9f

Download Submit
\Windows\SysWOW64\ntldr.exe

Filesize
24KB

MD5
45d6e9d9640bbe2647d907e543b5cfb3

SHA1
f343dcc032f7c287b1f7c47d75280e961c579129

SHA256
d81b6465f323347d3474e4a89d4da28f750ec106554e57729def2e2be07062cc

SHA512
608759a95bc6375c677e32486b41d15d6c5d9f9a5b7e2623d1331d13eea982786dfeae17da4b576b504e8419f833e3789d185898ae067eafe5286b0069c97f9f

Download Submit
\Windows\SysWOW64\ntldr.exe

Filesize
24KB

MD5
45d6e9d9640bbe2647d907e543b5cfb3

SHA1
f343dcc032f7c287b1f7c47d75280e961c579129

SHA256
d81b6465f323347d3474e4a89d4da28f750ec106554e57729def2e2be07062cc

SHA512
608759a95bc6375c677e32486b41d15d6c5d9f9a5b7e2623d1331d13eea982786dfeae17da4b576b504e8419f833e3789d185898ae067eafe5286b0069c97f9f

Download Submit
\Windows\SysWOW64\ntldr.exe

Filesize
24KB

MD5
45d6e9d9640bbe2647d907e543b5cfb3

SHA1
f343dcc032f7c287b1f7c47d75280e961c579129

SHA256
d81b6465f323347d3474e4a89d4da28f750ec106554e57729def2e2be07062cc

SHA512
608759a95bc6375c677e32486b41d15d6c5d9f9a5b7e2623d1331d13eea982786dfeae17da4b576b504e8419f833e3789d185898ae067eafe5286b0069c97f9f

Download Submit
memory/1880-54-0x0000000076201000-0x0000000076203000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads