aad87ee6abdc9ede1045813afc28c0fa1d8861cf2f4c1be51e4249f14c1accba

General

Target

deff716a2284199464e649d3fa74bfd9.exe
Size

38KB
MD5

deff716a2284199464e649d3fa74bfd9
SHA1

a4b20c725712eabf9f38ff6aba9a1cf262023e72
SHA256

aad87ee6abdc9ede1045813afc28c0fa1d8861cf2f4c1be51e4249f14c1accba
SHA512

65232dd68a8de6ec0f64aaa0f1d7bdf3708d7f7c053a7ee0d3b090388bfe344f456d3d14d866390bbe2c1ac52f41aeb29fed121e0ce64b6647a3ef0b0ecdf93a
SSDEEP

768:jerqpYJgAFVaqlkeDfCzNEMrkJX77A8w9afaLJWAE1:qJn8Phz4V/fakAE1

Score

8^/10

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 9 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\dcikpcfhalmblomhkcfcebnnefiledge fanbgjbfcakcbdaakendohofboodkibe = "live video"	msevnt.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\eepelkjedknhdppomifbalcigephpbhm oogiceeppfaakkobpghaaieajbbklmeb = "Proclaim Telcom, Inc."	msevnt.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\dcikpcfhalmblomhkcfcebnnefiledge iincedonfjiflkfielipkccnibngjpam = "live cams"	msevnt.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\eepelkjedknhdppomifbalcigephpbhm oogiceeppfaakkobpghaaieajbbklmeb = "Proclaim Telcom, Inc."	deff716a2284199464e649d3fa74bfd9.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\eepelkjedknhdppomifbalcigephpbhm oogiceeppfaakkobpghaaieajbbklmeb = "Proclaim Telcom, Inc."	msevnt.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\dcikpcfhalmblomhkcfcebnnefiledge iincedonfjiflkfielipkccnibngjpam = "live cams"	msevnt.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\dcikpcfhalmblomhkcfcebnnefiledge fanbgjbfcakcbdaakendohofboodkibe = "live video"	msevnt.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\dcikpcfhalmblomhkcfcebnnefiledge fanbgjbfcakcbdaakendohofboodkibe = "live video"	deff716a2284199464e649d3fa74bfd9.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\Trust Database\0\dcikpcfhalmblomhkcfcebnnefiledge iincedonfjiflkfielipkccnibngjpam = "live cams"	deff716a2284199464e649d3fa74bfd9.exe

Deletes itself 1 IoCs

pid	Process
1532	msevnt.exe

Executes dropped EXE 2 IoCs

pid	Process
1532	msevnt.exe
2556	msevnt.exe

Loads dropped DLL 6 IoCs

pid	Process
2772	deff716a2284199464e649d3fa74bfd9.exe
2772	deff716a2284199464e649d3fa74bfd9.exe
1532	msevnt.exe
1532	msevnt.exe
1532	msevnt.exe
1532	msevnt.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\msevnt = "c:\\windows\\system32\\msevnt.exe /nocomm"	deff716a2284199464e649d3fa74bfd9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\msevnt = "c:\\windows\\system32\\msevnt.exe /nocomm"	msevnt.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\SysWOW64\msevnt.exe	deff716a2284199464e649d3fa74bfd9.exe
File created	\??\c:\windows\SysWOW64\msevnt.exe	deff716a2284199464e649d3fa74bfd9.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 1532	2772	deff716a2284199464e649d3fa74bfd9.exe	28
PID 2772 wrote to memory of 1532	2772	deff716a2284199464e649d3fa74bfd9.exe	28
PID 2772 wrote to memory of 1532	2772	deff716a2284199464e649d3fa74bfd9.exe	28
PID 2772 wrote to memory of 1532	2772	deff716a2284199464e649d3fa74bfd9.exe	28
PID 1532 wrote to memory of 2556	1532	msevnt.exe	29
PID 1532 wrote to memory of 2556	1532	msevnt.exe	29
PID 1532 wrote to memory of 2556	1532	msevnt.exe	29
PID 1532 wrote to memory of 2556	1532	msevnt.exe	29

C:\Users\Admin\AppData\Local\Temp\deff716a2284199464e649d3fa74bfd9.exe
"C:\Users\Admin\AppData\Local\Temp\deff716a2284199464e649d3fa74bfd9.exe"
1⤵
- Manipulates Digital Signatures
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2772
- C:\windows\SysWOW64\msevnt.exe
  "C:\windows\system32\msevnt.exe" -kill c:\users\admin\appdata\local\temp\deff716a2284199464e649d3fa74bfd9.exe /install
  2⤵
  - Manipulates Digital Signatures
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1532
- - C:\windows\SysWOW64\msevnt.exe
    "C:\windows\system32\msevnt.exe" -kill c:\windows\syswow64\msevnt.exe /install /install
    3⤵
    - Manipulates Digital Signatures
    - Executes dropped EXE
    PID:2556

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

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\msevnt.exe

Filesize
38KB

MD5
deff716a2284199464e649d3fa74bfd9

SHA1
a4b20c725712eabf9f38ff6aba9a1cf262023e72

SHA256
aad87ee6abdc9ede1045813afc28c0fa1d8861cf2f4c1be51e4249f14c1accba

SHA512
65232dd68a8de6ec0f64aaa0f1d7bdf3708d7f7c053a7ee0d3b090388bfe344f456d3d14d866390bbe2c1ac52f41aeb29fed121e0ce64b6647a3ef0b0ecdf93a

Download Submit
memory/1532-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1532-18-0x0000000000560000-0x000000000057D000-memory.dmp

Filesize
116KB

Download
memory/1532-22-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1532-23-0x00000000026E0000-0x00000000026FD000-memory.dmp

Filesize
116KB

Download
memory/2772-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2772-1-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download
memory/2772-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2772-6-0x00000000025A0000-0x00000000025BD000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads