87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529

General

Target

87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
Size

322KB
MD5

46b68ad0419044c10ad0e6c926933b6f
SHA1

e83776f68613ab71115f3ed8b814a9c3777d2cfb
SHA256

87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529
SHA512

aae6ca30fe64c17ec1483141b1d2e33c1d1e7e09184d97422c4c03f0de5c5e6bd292cc55b89af052d1615850a635bd0d5aba40b2bbd073f848fec02d243c27bc
SSDEEP

6144:Rok2/kvd+LEa4x3pmIf3HPPtbhlR478/1TN+U0Xs4yhwTM4:i8vPa4RpH/NJN+Ts5wTB

Score

8^/10

evasion persistence

Malware Config

Signatures

Disables taskbar notifications via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
892	fqi.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Deletes itself 1 IoCs

pid	Process
892	fqi.exe

Loads dropped DLL 2 IoCs

pid	Process
1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe

Suspicious behavior: GetForegroundWindowSpam 3 IoCs

pid	Process
1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
892	fqi.exe
828	explorer.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe
Token: 33	1008	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1008	AUDIODG.EXE
Token: 33	1008	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1008	AUDIODG.EXE
Token: SeShutdownPrivilege	828	explorer.exe
Token: SeShutdownPrivilege	828	explorer.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe

Suspicious use of SendNotifyMessage 15 IoCs

pid	Process
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe
828	explorer.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 892	1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe	27
PID 1156 wrote to memory of 892	1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe	27
PID 1156 wrote to memory of 892	1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe	27
PID 1156 wrote to memory of 892	1156	87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe	27

C:\Users\Admin\AppData\Local\Temp\87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
"C:\Users\Admin\AppData\Local\Temp\87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Users\Admin\AppData\Local\fqi.exe
  "C:\Users\Admin\AppData\Local\fqi.exe" -gav C:\Users\Admin\AppData\Local\Temp\87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529.exe
  2⤵
  - Executes dropped EXE
  - Deletes itself
  - Suspicious behavior: GetForegroundWindowSpam
  PID:892

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:828

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x488
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1008

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\fqi.exe

Filesize
322KB

MD5
46b68ad0419044c10ad0e6c926933b6f

SHA1
e83776f68613ab71115f3ed8b814a9c3777d2cfb

SHA256
87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529

SHA512
aae6ca30fe64c17ec1483141b1d2e33c1d1e7e09184d97422c4c03f0de5c5e6bd292cc55b89af052d1615850a635bd0d5aba40b2bbd073f848fec02d243c27bc

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

Filesize
322KB

MD5
46b68ad0419044c10ad0e6c926933b6f

SHA1
e83776f68613ab71115f3ed8b814a9c3777d2cfb

SHA256
87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529

SHA512
aae6ca30fe64c17ec1483141b1d2e33c1d1e7e09184d97422c4c03f0de5c5e6bd292cc55b89af052d1615850a635bd0d5aba40b2bbd073f848fec02d243c27bc

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

Filesize
322KB

MD5
46b68ad0419044c10ad0e6c926933b6f

SHA1
e83776f68613ab71115f3ed8b814a9c3777d2cfb

SHA256
87c4f827fbdc685ac6e2d64d7ee94680cf0c0759335ecbfd06d2f258d0ea9529

SHA512
aae6ca30fe64c17ec1483141b1d2e33c1d1e7e09184d97422c4c03f0de5c5e6bd292cc55b89af052d1615850a635bd0d5aba40b2bbd073f848fec02d243c27bc

Download Submit
memory/828-62-0x000007FEFBC21000-0x000007FEFBC23000-memory.dmp

Filesize
8KB

Download
memory/828-66-0x0000000002540000-0x0000000002550000-memory.dmp

Filesize
64KB

Download
memory/892-64-0x0000000000B40000-0x0000000000BA7B68-memory.dmp

Filesize
414KB

Download
memory/892-65-0x00000000033F0000-0x000000000350D000-memory.dmp

Filesize
1.1MB

Download
memory/1156-54-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download
memory/1156-55-0x00000000009A0000-0x0000000000A07B68-memory.dmp

Filesize
414KB

Download
memory/1156-56-0x0000000003240000-0x000000000339C000-memory.dmp

Filesize
1.4MB

Download
memory/1156-61-0x00000000009A0000-0x0000000000A07B68-memory.dmp

Filesize
414KB

Download

Analysis

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