7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670

General

Target

7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe
Size

830KB
MD5

bc86dff93d913f6ee6d32bf7bfc07bc5
SHA1

0d22e0b0e588980ba567006a43ba81d6e59fedce
SHA256

7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670
SHA512

3f880a92095f8214ec888954424bc1ea276139fae0793acf773bdfab11cf44e743c049e30f38e43d8c1617d1d0c71c2c5481cc0fcda998bd6a63d59419221786
SSDEEP

12288:ZEmC92VnpahSR7BwkASR49lkQHMIWnDp2f47z4PUUhyVb4yDKUgM03qcmT1Pd2KP:ZEF96C6BwkP2lsl8fEQemdM03zmT1Pp

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2824	cmd.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2140-0-0x0000000000E20000-0x0000000000F5C000-memory.dmp	upx
behavioral1/memory/2140-41-0x0000000000E20000-0x0000000000F5C000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WindowsShell85184.log	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe
File opened for modification	C:\Windows\WindowSystemNewUpdate00.log	fc.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe
Token: SeDebugPrivilege	2876	fc.exe
Token: SeIncBasePriorityPrivilege	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2876	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe	28
PID 2140 wrote to memory of 2876	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe	28
PID 2140 wrote to memory of 2876	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe	28
PID 2140 wrote to memory of 2876	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe	28
PID 2140 wrote to memory of 2876	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe	28
PID 2140 wrote to memory of 2876	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe	28
PID 2140 wrote to memory of 2876	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe	28
PID 2140 wrote to memory of 2824	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe	31
PID 2140 wrote to memory of 2824	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe	31
PID 2140 wrote to memory of 2824	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe	31
PID 2140 wrote to memory of 2824	2140	7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe	31

C:\Users\Admin\AppData\Local\Temp\7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe
"C:\Users\Admin\AppData\Local\Temp\7703750fe00148006b915ca85f038c95f3952c82febe6fe7c6e148a924ea8670.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\fc.exe
  "C:\Windows\SysWOW64\fc.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2876
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\770375~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2140-0-0x0000000000E20000-0x0000000000F5C000-memory.dmp

Filesize
1.2MB

Download
memory/2140-41-0x0000000000E20000-0x0000000000F5C000-memory.dmp

Filesize
1.2MB

Download
memory/2876-9-0x0000000000190000-0x00000000001AB000-memory.dmp

Filesize
108KB

Download
memory/2876-5-0x0000000000290000-0x000000000039D000-memory.dmp

Filesize
1.1MB

Download
memory/2876-11-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-24-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-26-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-23-0x0000000000190000-0x00000000001AB000-memory.dmp

Filesize
108KB

Download
memory/2876-22-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-19-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-3-0x0000000000290000-0x000000000039D000-memory.dmp

Filesize
1.1MB

Download
memory/2876-6-0x0000000000190000-0x00000000001AB000-memory.dmp

Filesize
108KB

Download
memory/2876-4-0x0000000000290000-0x000000000039D000-memory.dmp

Filesize
1.1MB

Download
memory/2876-30-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-32-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-31-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-34-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-36-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-37-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-39-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/2876-2-0x0000000000290000-0x000000000039D000-memory.dmp

Filesize
1.1MB

Download
memory/2876-43-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download

Analysis

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