e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979

General

Target

e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979N.exe
Size

47KB
MD5

3edb692824c12520bfcbd726f3b6b640
SHA1

b64111029d92f46087fde44132ef8b086456e780
SHA256

e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979
SHA512

1a2690ee6ca9d18a6e4fd72dc74e0ef67e518f541122bd9db5ef3f51939e85bef7bcb143b1de9242cfcbd34130faa26225f1f223c81d2b0f5f89f4f1c8999d96
SSDEEP

768:DA+2Xb0h0V3AXfZM1iwe/a/3Ov5c3C0GHgWcR:DAZbT3pipveydxcR

Score

8^/10

discovery persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\msupdate\ImagePath = "c:\\windows\\system32\\mssrv32.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3976	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\mssrv32.exe	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979N.exe
File opened for modification	\??\c:\windows\SysWOW64\mssrv32.exe	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1032 set thread context of 3976	1032	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979n.exe	96

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2380	3976	WerFault.exe	96

System Location Discovery: System Language Discovery 1 TTPs 3 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979n.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4812	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 1032	4812	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979N.exe	93
PID 4812 wrote to memory of 1032	4812	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979N.exe	93
PID 4812 wrote to memory of 1032	4812	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979N.exe	93
PID 1032 wrote to memory of 3976	1032	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979n.exe	96
PID 1032 wrote to memory of 3976	1032	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979n.exe	96
PID 1032 wrote to memory of 3976	1032	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979n.exe	96
PID 1032 wrote to memory of 3976	1032	e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979n.exe	96

C:\Users\Admin\AppData\Local\Temp\e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979N.exe
"C:\Users\Admin\AppData\Local\Temp\e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979N.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4812
- \??\c:\users\admin\appdata\local\temp\e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979n.exe
  c:\users\admin\appdata\local\temp\e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979n.exe
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    - Sets service image path in registry
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:3976
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 348
      4⤵
      Program crash
      PID:2380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3976 -ip 3976
1⤵
PID:216

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\??\c:\windows\SysWOW64\mssrv32.exe

Filesize
47KB

MD5
3edb692824c12520bfcbd726f3b6b640

SHA1
b64111029d92f46087fde44132ef8b086456e780

SHA256
e60179643bb8377870934cf549175eb8e7dd597d0bd7af0f060f57afcaa06979

SHA512
1a2690ee6ca9d18a6e4fd72dc74e0ef67e518f541122bd9db5ef3f51939e85bef7bcb143b1de9242cfcbd34130faa26225f1f223c81d2b0f5f89f4f1c8999d96

Download Submit
memory/1032-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3976-7-0x0000000015110000-0x000000001511A000-memory.dmp

Filesize
40KB

Download
memory/3976-10-0x0000000015110000-0x000000001511A000-memory.dmp

Filesize
40KB

Download
memory/3976-12-0x0000000015110000-0x000000001511A000-memory.dmp

Filesize
40KB

Download
memory/4812-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4812-1-0x0000000000408000-0x0000000000409000-memory.dmp

Filesize
4KB

Download
memory/4812-2-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4812-4-0x0000000000408000-0x0000000000409000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads