b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251

General

Target

b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
Size

281KB
MD5

446f8bcad7cac827b481de667d13bc00
SHA1

738655a87f106533be3298916dcac11b9bd7b214
SHA256

b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251
SHA512

1397a715f9402ebcdae9cc700dacd136c91e4e736c58da74a94dd6ca5df04b943269032036ca132e2572fd105a1a5533bff9109f241a657d89544785b6ed4a35
SSDEEP

6144:hCSZsDWddorJUDGCFB22uaHzW/nYo54HTbGPw1IN8/PhwTMC:IesDKo+82uaToY1HTCBSwT5

Score

8^/10

evasion persistence

Malware Config

Signatures

Disables taskbar notifications via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
1228	cpg.exe

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Deletes itself 1 IoCs

pid	Process
1228	cpg.exe

Loads dropped DLL 2 IoCs

pid	Process
1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe

Suspicious behavior: GetForegroundWindowSpam 3 IoCs

pid	Process
1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
1228	cpg.exe
1136	explorer.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1136	explorer.exe
Token: SeShutdownPrivilege	1136	explorer.exe
Token: SeShutdownPrivilege	1136	explorer.exe
Token: SeShutdownPrivilege	1136	explorer.exe
Token: SeShutdownPrivilege	1136	explorer.exe
Token: SeShutdownPrivilege	1136	explorer.exe
Token: SeShutdownPrivilege	1136	explorer.exe
Token: SeShutdownPrivilege	1136	explorer.exe
Token: SeShutdownPrivilege	1136	explorer.exe
Token: SeShutdownPrivilege	1136	explorer.exe
Token: 33	1160	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1160	AUDIODG.EXE
Token: 33	1160	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1160	AUDIODG.EXE
Token: SeShutdownPrivilege	1136	explorer.exe
Token: SeShutdownPrivilege	1136	explorer.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe

Suspicious use of SendNotifyMessage 16 IoCs

pid	Process
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe
1136	explorer.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 1228	1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe	28
PID 1192 wrote to memory of 1228	1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe	28
PID 1192 wrote to memory of 1228	1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe	28
PID 1192 wrote to memory of 1228	1192	b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe	28

C:\Users\Admin\AppData\Local\Temp\b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
"C:\Users\Admin\AppData\Local\Temp\b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\cpg.exe
  "C:\Users\Admin\AppData\Local\cpg.exe" -gav C:\Users\Admin\AppData\Local\Temp\b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251.exe
  2⤵
  - Executes dropped EXE
  - Deletes itself
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1228

C:\Windows\explorer.exe
explorer.exe
1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1136

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x57c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1160

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\cpg.exe

Filesize
281KB

MD5
446f8bcad7cac827b481de667d13bc00

SHA1
738655a87f106533be3298916dcac11b9bd7b214

SHA256
b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251

SHA512
1397a715f9402ebcdae9cc700dacd136c91e4e736c58da74a94dd6ca5df04b943269032036ca132e2572fd105a1a5533bff9109f241a657d89544785b6ed4a35

Download Submit
\Users\Admin\AppData\Local\cpg.exe

Filesize
281KB

MD5
446f8bcad7cac827b481de667d13bc00

SHA1
738655a87f106533be3298916dcac11b9bd7b214

SHA256
b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251

SHA512
1397a715f9402ebcdae9cc700dacd136c91e4e736c58da74a94dd6ca5df04b943269032036ca132e2572fd105a1a5533bff9109f241a657d89544785b6ed4a35

Download Submit
\Users\Admin\AppData\Local\cpg.exe

Filesize
281KB

MD5
446f8bcad7cac827b481de667d13bc00

SHA1
738655a87f106533be3298916dcac11b9bd7b214

SHA256
b6f84f49c1520af0ac33e463e971a8b8cff50fe9d28e6e67e770709e00f1f251

SHA512
1397a715f9402ebcdae9cc700dacd136c91e4e736c58da74a94dd6ca5df04b943269032036ca132e2572fd105a1a5533bff9109f241a657d89544785b6ed4a35

Download Submit
memory/1136-62-0x000007FEFBF51000-0x000007FEFBF53000-memory.dmp

Filesize
8KB

Download
memory/1192-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

Filesize
8KB

Download
memory/1192-55-0x0000000000DF0000-0x0000000000E557E8-memory.dmp

Filesize
405KB

Download
memory/1192-56-0x0000000000C90000-0x0000000000DAD000-memory.dmp

Filesize
1.1MB

Download
memory/1192-61-0x0000000000DF0000-0x0000000000E557E8-memory.dmp

Filesize
405KB

Download
memory/1228-64-0x0000000000C80000-0x0000000000CE57E8-memory.dmp

Filesize
405KB

Download

Analysis

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