7afec4488ee587cefcfc10c3040edb80c3a94566acc4c5e32872ff7a723ad7c3

Analysis

max time kernel
157s
max time network
176s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 01:13

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General

Target

09b4ea7dc4b3b2673f95343f88b03018.exe
Size

20KB
MD5

09b4ea7dc4b3b2673f95343f88b03018
SHA1

76e98ed1bd23f05b16f5e1b347af7c9d464030b9
SHA256

7afec4488ee587cefcfc10c3040edb80c3a94566acc4c5e32872ff7a723ad7c3
SHA512

fbe05e422168656d423c4d7d4cf309987a794148431135d2150eda679d6c66ba0a1e4dc992b432baf8c9b3b250a625f9b5aa03f771e6426dda7fdead551488ea
SSDEEP

384:m+WlGJGOuLcRcE/DyNBfpx1mLFDo+NMvAGwER4rZ0TtHV2WF05I:XJ9vyHIDoEWwt0TtHoWee

Score

8^/10

persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\1D231FAA\ImagePath = "C:\\Windows\\system32\\8977E857.EXE -g"	09b4ea7dc4b3b2673f95343f88b03018.exe

Executes dropped EXE 1 IoCs

pid	Process
4616	8977E857.EXE

Drops file in System32 directory 34 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_1280.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_32.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_wide.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_custom_stream.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_96.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_32.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_96.db	8977E857.EXE
File created	C:\Windows\SysWOW64\del.bat	09b4ea7dc4b3b2673f95343f88b03018.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_1280.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_sr.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_custom_stream.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_wide.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_16.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_2560.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_sr.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_2560.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_exif.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_wide_alternate.db	8977E857.EXE
File created	C:\Windows\SysWOW64\8977E857.EXE	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_48.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_768.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\8977E857.EXE	09b4ea7dc4b3b2673f95343f88b03018.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_exif.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_1920.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_1920.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_256.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_wide_alternate.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_768.db	8977E857.EXE
File created	C:\Windows\SysWOW64\8977E857.EXE	09b4ea7dc4b3b2673f95343f88b03018.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db	8977E857.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_16.db	8977E857.EXE

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64	8977E857.EXE

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 12 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Sequence = "1"	8977E857.EXE
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 43003a005c00570069006e0064006f00770073005c00530079007300740065006d003300320000000000	8977E857.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer	8977E857.EXE
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\TelemetrySalt = "2"	8977E857.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000	8977E857.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager	8977E857.EXE
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Owner = 08120000f712e6a7913bda01	8977E857.EXE
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 17f30533c3bbd538bda5e0a2cdcd99122e1d38f3f95d6e48ea929ae4b79a7bb7	8977E857.EXE
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000	8977E857.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software	8977E857.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	8977E857.EXE
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 4fc9430e5dd1ea86fd1de42eba5a32d016bda85fb52d35829f870075ac6c3596	8977E857.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4072	09b4ea7dc4b3b2673f95343f88b03018.exe
4072	09b4ea7dc4b3b2673f95343f88b03018.exe
4616	8977E857.EXE
4616	8977E857.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4072	09b4ea7dc4b3b2673f95343f88b03018.exe
4616	8977E857.EXE
4616	8977E857.EXE
4616	8977E857.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 2268	4072	09b4ea7dc4b3b2673f95343f88b03018.exe	97
PID 4072 wrote to memory of 2268	4072	09b4ea7dc4b3b2673f95343f88b03018.exe	97
PID 4072 wrote to memory of 2268	4072	09b4ea7dc4b3b2673f95343f88b03018.exe	97

C:\Users\Admin\AppData\Local\Temp\09b4ea7dc4b3b2673f95343f88b03018.exe
"C:\Users\Admin\AppData\Local\Temp\09b4ea7dc4b3b2673f95343f88b03018.exe"
1⤵
- Sets service image path in registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4072
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\del.bat
  2⤵
  PID:2268

C:\Windows\SysWOW64\8977E857.EXE
C:\Windows\SysWOW64\8977E857.EXE -g
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:4616

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\8977E857.EXE

Filesize
20KB

MD5
09b4ea7dc4b3b2673f95343f88b03018

SHA1
76e98ed1bd23f05b16f5e1b347af7c9d464030b9

SHA256
7afec4488ee587cefcfc10c3040edb80c3a94566acc4c5e32872ff7a723ad7c3

SHA512
fbe05e422168656d423c4d7d4cf309987a794148431135d2150eda679d6c66ba0a1e4dc992b432baf8c9b3b250a625f9b5aa03f771e6426dda7fdead551488ea

Download Submit
C:\Windows\SysWOW64\del.bat

Filesize
211B

MD5
92a8cf5691456eb6c973e9259ffba473

SHA1
85373a5214dbf30c870288a680ac3ea649f728ea

SHA256
37d817e9e64d5043deaa80706ae1bbfb1585396e5fb9d3380e7110938be24db9

SHA512
27ecad831be103087f58eff901e43ca0fc74394ee7c4bfb39d5bc0ee476d35a99dc3facc4103784e0f085c2f2c64fb12e8bae1a78c85f6484569b4d3d5881d33

Download Submit
memory/4072-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4072-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/4072-7-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4072-8-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/4616-6-0x0000000000880000-0x00000000008C0000-memory.dmp

Filesize
256KB

Download
memory/4616-9-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4616-10-0x0000000000880000-0x00000000008C0000-memory.dmp

Filesize
256KB

Download