c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279

General

Target

c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe
Size

927KB
MD5

58425a8ca9e369e82233314c75ef0139
SHA1

bcb05f59c03514b0588e5da22e8fc45640bc1501
SHA256

c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279
SHA512

065e1553a279238ef0d4d9bcec451b4d84eb4db9f986460e318c3932b2b586ca61a3736d3062b99c86fb402ebb45b95f265e6efc26bfb2240ced54f522850f3e
SSDEEP

24576:WbN+yZe0p4Ek4niOkl/A04szE87JKTvmZ:WbN+ieW4SkZP4sz9Mba

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral2/memory/1136-0-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/files/0x000500000002326f-6.dat	UPX
behavioral2/memory/4988-12-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/memory/1468-11-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/memory/1136-10-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral2/memory/1468-16-0x0000000000400000-0x000000000041B000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

pid	Process
1468	MSWDM.EXE
4988	MSWDM.EXE
3376	C8C90743193EE35AC7C7379AA6DCFE20282150840BF3868D9EBD02B03E80F279.EXE

Adds Run key to start application 2 TTPs 4 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\WDM = "MSWDM.EXE"	c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	MSWDM.EXE

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\MSWDM.EXE	c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe
File opened for modification	C:\Windows\dev4873.tmp	c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4988	MSWDM.EXE
4988	MSWDM.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	3376	C8C90743193EE35AC7C7379AA6DCFE20282150840BF3868D9EBD02B03E80F279.EXE
Token: 35	3376	C8C90743193EE35AC7C7379AA6DCFE20282150840BF3868D9EBD02B03E80F279.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 1468	1136	c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe	79
PID 1136 wrote to memory of 1468	1136	c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe	79
PID 1136 wrote to memory of 1468	1136	c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe	79
PID 1136 wrote to memory of 4988	1136	c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe	80
PID 1136 wrote to memory of 4988	1136	c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe	80
PID 1136 wrote to memory of 4988	1136	c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe	80
PID 4988 wrote to memory of 3376	4988	MSWDM.EXE	81
PID 4988 wrote to memory of 3376	4988	MSWDM.EXE	81

C:\Users\Admin\AppData\Local\Temp\c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe
"C:\Users\Admin\AppData\Local\Temp\c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1136
- C:\WINDOWS\MSWDM.EXE
  "C:\WINDOWS\MSWDM.EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:1468
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\dev4873.tmp!C:\Users\Admin\AppData\Local\Temp\c8c90743193ee35ac7c7379aa6dcfe20282150840bf3868d9ebd02b03e80f279.exe! !
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4988
- - C:\Users\Admin\AppData\Local\Temp\C8C90743193EE35AC7C7379AA6DCFE20282150840BF3868D9EBD02B03E80F279.EXE
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:3376

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 Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\WINDOWS\MSWDM.EXE

Filesize
80KB

MD5
f953eee07963c184dd80c54fe6d036a5

SHA1
c09ef25a25722b434f31e2e4ae9a53a77abfdb66

SHA256
58fe341cf6d3034c6b660f49e9619d7c9a189f1eca079e1aac0daf062d322fba

SHA512
4fb4d94008673a649f59e2e1971840d066f31808490ae8939f8d0c87995b39494a513c14ea3d8ed1966b13a268b80d923103bda27ff6c1dc64be938f1437fb95

Download Submit
C:\Windows\dev4873.tmp

Filesize
847KB

MD5
c8f40f25f783a52262bdaedeb5555427

SHA1
e45e198607c8d7398745baa71780e3e7a2f6deca

SHA256
e81b44ee7381ae3b630488b6fb7e3d9ffbdd9ac3032181d4ccaaff3409b57316

SHA512
f5944743f54028eb1dd0f2d68468726b177d33185324da0da96cdd20768bab4ca2e507ae9157b2733fd6240c920b7e15a5f5b9f284ee09d0fd385fc895b97191

Download Submit
memory/1136-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1136-10-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1468-11-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1468-16-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4988-12-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads