4e412b5dd0086b4f11f8766f4ed38c0687bd6c82e405131a2f9247f01c790604

Analysis

max time kernel
149s
max time network
136s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
02/01/2024, 00:41

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General

Target

3e48c3bcb96539709188892346124b3e.exe
Size

282KB
MD5

3e48c3bcb96539709188892346124b3e
SHA1

6c0e9c4fca7a1a51588667ecb306f7a76563b50a
SHA256

4e412b5dd0086b4f11f8766f4ed38c0687bd6c82e405131a2f9247f01c790604
SHA512

7341072f4190b5bf87bda45616ad4af7a0072ec5ebfe66da2737a565cfb38885f0bc9404dccb477a27bb4bfc2579d16c33e0b878ee224662e5749904c9ad17c2
SSDEEP

6144:8FTbKMJvDpB7wY4n74fHyjZRVkc2py7u/qbWhpD:8UavVZu7WoZRV+cu/qqhpD

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1672	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2396	timei.exe

Loads dropped DLL 2 IoCs

pid	Process
2252	3e48c3bcb96539709188892346124b3e.exe
2252	3e48c3bcb96539709188892346124b3e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\{E705BD28-DA76-AD4E-D262-B4D1F82197CC} = "C:\\Users\\Admin\\AppData\\Roaming\\Ywsuon\\timei.exe"	timei.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 1672	2252	3e48c3bcb96539709188892346124b3e.exe	17

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Privacy	3e48c3bcb96539709188892346124b3e.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	3e48c3bcb96539709188892346124b3e.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe
2396	timei.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2252	3e48c3bcb96539709188892346124b3e.exe
2396	timei.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2396	2252	3e48c3bcb96539709188892346124b3e.exe	16
PID 2252 wrote to memory of 2396	2252	3e48c3bcb96539709188892346124b3e.exe	16
PID 2252 wrote to memory of 2396	2252	3e48c3bcb96539709188892346124b3e.exe	16
PID 2252 wrote to memory of 2396	2252	3e48c3bcb96539709188892346124b3e.exe	16
PID 2396 wrote to memory of 1276	2396	timei.exe	9
PID 2396 wrote to memory of 1276	2396	timei.exe	9
PID 2396 wrote to memory of 1276	2396	timei.exe	9
PID 2396 wrote to memory of 1276	2396	timei.exe	9
PID 2396 wrote to memory of 1276	2396	timei.exe	9
PID 2396 wrote to memory of 1344	2396	timei.exe	8
PID 2396 wrote to memory of 1344	2396	timei.exe	8
PID 2396 wrote to memory of 1344	2396	timei.exe	8
PID 2396 wrote to memory of 1344	2396	timei.exe	8
PID 2396 wrote to memory of 1344	2396	timei.exe	8
PID 2396 wrote to memory of 1380	2396	timei.exe	7
PID 2396 wrote to memory of 1380	2396	timei.exe	7
PID 2396 wrote to memory of 1380	2396	timei.exe	7
PID 2396 wrote to memory of 1380	2396	timei.exe	7
PID 2396 wrote to memory of 1380	2396	timei.exe	7
PID 2396 wrote to memory of 1888	2396	timei.exe	5
PID 2396 wrote to memory of 1888	2396	timei.exe	5
PID 2396 wrote to memory of 1888	2396	timei.exe	5
PID 2396 wrote to memory of 1888	2396	timei.exe	5
PID 2396 wrote to memory of 1888	2396	timei.exe	5
PID 2396 wrote to memory of 2252	2396	timei.exe	1
PID 2396 wrote to memory of 2252	2396	timei.exe	1
PID 2396 wrote to memory of 2252	2396	timei.exe	1
PID 2396 wrote to memory of 2252	2396	timei.exe	1
PID 2396 wrote to memory of 2252	2396	timei.exe	1
PID 2252 wrote to memory of 1672	2252	3e48c3bcb96539709188892346124b3e.exe	17
PID 2252 wrote to memory of 1672	2252	3e48c3bcb96539709188892346124b3e.exe	17
PID 2252 wrote to memory of 1672	2252	3e48c3bcb96539709188892346124b3e.exe	17
PID 2252 wrote to memory of 1672	2252	3e48c3bcb96539709188892346124b3e.exe	17
PID 2252 wrote to memory of 1672	2252	3e48c3bcb96539709188892346124b3e.exe	17
PID 2252 wrote to memory of 1672	2252	3e48c3bcb96539709188892346124b3e.exe	17
PID 2252 wrote to memory of 1672	2252	3e48c3bcb96539709188892346124b3e.exe	17
PID 2252 wrote to memory of 1672	2252	3e48c3bcb96539709188892346124b3e.exe	17
PID 2252 wrote to memory of 1672	2252	3e48c3bcb96539709188892346124b3e.exe	17

C:\Users\Admin\AppData\Local\Temp\3e48c3bcb96539709188892346124b3e.exe
"C:\Users\Admin\AppData\Local\Temp\3e48c3bcb96539709188892346124b3e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Roaming\Ywsuon\timei.exe
  "C:\Users\Admin\AppData\Roaming\Ywsuon\timei.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpcefb4231.bat"
  2⤵
  - Deletes itself
  PID:1672

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1888

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1380

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1344

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Ywsuon\timei.exe

Filesize
282KB

MD5
e9bc46289f2bac914ce400959e158237

SHA1
4d1636ec87ac8f73fcaa832540be84751d097da3

SHA256
1fabbec49fd9c817bcee9a720dea58d87705565b2e4b87ef3fd90becee48a2a3

SHA512
212c8be78bf18af772a064b97bd67d4f7b98f24ccfe309dcb0d585d3e955baeb41d64a2a2f7d8e4efa0fedcb55b796d7f86d25c4804f539e08bd601af9a97e34

Download Submit
memory/1276-22-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1276-16-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1276-26-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1276-24-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1276-18-0x0000000001F90000-0x0000000001FD4000-memory.dmp

Filesize
272KB

Download
memory/1344-29-0x0000000000130000-0x0000000000174000-memory.dmp

Filesize
272KB

Download
memory/1344-30-0x0000000000130000-0x0000000000174000-memory.dmp

Filesize
272KB

Download
memory/1344-31-0x0000000000130000-0x0000000000174000-memory.dmp

Filesize
272KB

Download
memory/1344-32-0x0000000000130000-0x0000000000174000-memory.dmp

Filesize
272KB

Download
memory/1380-37-0x0000000002520000-0x0000000002564000-memory.dmp

Filesize
272KB

Download
memory/1380-36-0x0000000002520000-0x0000000002564000-memory.dmp

Filesize
272KB

Download
memory/1380-35-0x0000000002520000-0x0000000002564000-memory.dmp

Filesize
272KB

Download
memory/1380-34-0x0000000002520000-0x0000000002564000-memory.dmp

Filesize
272KB

Download
memory/1672-268-0x00000000000D0000-0x0000000000114000-memory.dmp

Filesize
272KB

Download
memory/1672-267-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1672-178-0x00000000000D0000-0x0000000000114000-memory.dmp

Filesize
272KB

Download
memory/1672-180-0x0000000077730000-0x0000000077731000-memory.dmp

Filesize
4KB

Download
memory/1888-42-0x0000000001BB0000-0x0000000001BF4000-memory.dmp

Filesize
272KB

Download
memory/1888-39-0x0000000001BB0000-0x0000000001BF4000-memory.dmp

Filesize
272KB

Download
memory/1888-40-0x0000000001BB0000-0x0000000001BF4000-memory.dmp

Filesize
272KB

Download
memory/1888-41-0x0000000001BB0000-0x0000000001BF4000-memory.dmp

Filesize
272KB

Download
memory/2252-57-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-73-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-59-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-1-0x00000000002C0000-0x000000000030C000-memory.dmp

Filesize
304KB

Download
memory/2252-55-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-53-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-51-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-49-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-48-0x0000000001EE0000-0x0000000001F24000-memory.dmp

Filesize
272KB

Download
memory/2252-47-0x0000000001EE0000-0x0000000001F24000-memory.dmp

Filesize
272KB

Download
memory/2252-46-0x0000000001EE0000-0x0000000001F24000-memory.dmp

Filesize
272KB

Download
memory/2252-45-0x0000000001EE0000-0x0000000001F24000-memory.dmp

Filesize
272KB

Download
memory/2252-44-0x0000000001EE0000-0x0000000001F24000-memory.dmp

Filesize
272KB

Download
memory/2252-65-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-68-0x0000000077730000-0x0000000077731000-memory.dmp

Filesize
4KB

Download
memory/2252-69-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-71-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-61-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-163-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2252-164-0x0000000001EE0000-0x0000000001F24000-memory.dmp

Filesize
272KB

Download
memory/2252-75-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-77-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-79-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-81-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-145-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-0-0x0000000000270000-0x00000000002B4000-memory.dmp

Filesize
272KB

Download
memory/2252-66-0x0000000001EE0000-0x0000000001F24000-memory.dmp

Filesize
272KB

Download
memory/2252-63-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2252-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2252-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2252-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2396-17-0x00000000003A0000-0x00000000003EC000-memory.dmp

Filesize
304KB

Download
memory/2396-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2396-21-0x00000000002B0000-0x00000000002F4000-memory.dmp

Filesize
272KB

Download
memory/2396-269-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download