0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810

General

Target

0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe
Size

78KB
MD5

9b4497259f9f858244023de231400892
SHA1

08600ea0e22ae8e5168ec56a359d75ae2cf9b413
SHA256

0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810
SHA512

777ffca5982119d346d601c4a6b2e4cefae9e5c05b29312c0676d6ed45478d829524ff3a14885a6fc2e4a27235ad897021342b71665f890ccca2a575397432a4

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2996	tmp4905.tmp.exe

Deletes itself 1 IoCs

pid	Process
2996	tmp4905.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp4905.tmp.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1052	0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe
Token: SeDebugPrivilege	2996	tmp4905.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 908	1052	0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe	76
PID 1052 wrote to memory of 908	1052	0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe	76
PID 1052 wrote to memory of 908	1052	0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe	76
PID 908 wrote to memory of 2596	908	vbc.exe	78
PID 908 wrote to memory of 2596	908	vbc.exe	78
PID 908 wrote to memory of 2596	908	vbc.exe	78
PID 1052 wrote to memory of 2996	1052	0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe	79
PID 1052 wrote to memory of 2996	1052	0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe	79
PID 1052 wrote to memory of 2996	1052	0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe	79

C:\Users\Admin\AppData\Local\Temp\0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe
"C:\Users\Admin\AppData\Local\Temp\0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\hj0-2r5d.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:908
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4CCE.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcA569891ADCC41608BF993838AFECB1C.TMP"
    3⤵
    PID:2596
- C:\Users\Admin\AppData\Local\Temp\tmp4905.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp4905.tmp.exe" C:\Users\Admin\AppData\Local\Temp\0048bbede90d7a4f6e980d38e7ddcfaf3fa4a87a1ac37cfd1b121e970d6c2810.exe
  2⤵
  - Executes dropped EXE
  - Deletes itself
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:2996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/908-11-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/1052-2-0x0000000002E30000-0x0000000002E31000-memory.dmp

Filesize
4KB

Download
memory/2996-14-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2996-15-0x00000000005E3000-0x00000000005E5000-memory.dmp

Filesize
8KB

Download

Analysis

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