7bfdab4a9b64d235b81bc868f6056e488319c0c14f02d3c7c3fd0e9b5d83c053

Analysis

max time kernel
107s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 06:05

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General

Target

0a484835e9ede7334f3f67966d5abd26.exe
Size

742KB
MD5

0a484835e9ede7334f3f67966d5abd26
SHA1

be5df906bcb2f42bb1ca8c7a5708e4a0e3573676
SHA256

7bfdab4a9b64d235b81bc868f6056e488319c0c14f02d3c7c3fd0e9b5d83c053
SHA512

81bc316aa31d56eb8622848256ed1275babaa169349415b8284e712c45e9eca98a30cd49b44696b7b06840853d534d33c97d6035720d4a581c246f02c45fb098
SSDEEP

12288:UFVKeWH/24s9igpM0h2Tm5PCkeEA1c2obY73uQMGL4r:neWH/bs0gq0UFk+ocTzm

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1044	hello.exe
2684	EntSver.exe
1608	hello.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	0a484835e9ede7334f3f67966d5abd26.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\EntSver.exe	hello.exe
File opened for modification	C:\Windows\EntSver.exe	hello.exe
File created	C:\Windows\GUOCYOKl.BAT	hello.exe
File opened for modification	C:\Windows\EntSver.exe	hello.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	hello.exe
Token: SeDebugPrivilege	2684	EntSver.exe
Token: SeDebugPrivilege	1608	hello.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2684	EntSver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 1044	2240	0a484835e9ede7334f3f67966d5abd26.exe	87
PID 2240 wrote to memory of 1044	2240	0a484835e9ede7334f3f67966d5abd26.exe	87
PID 2240 wrote to memory of 1044	2240	0a484835e9ede7334f3f67966d5abd26.exe	87
PID 2684 wrote to memory of 3084	2684	EntSver.exe	91
PID 2684 wrote to memory of 3084	2684	EntSver.exe	91
PID 1044 wrote to memory of 1316	1044	hello.exe	95
PID 1044 wrote to memory of 1316	1044	hello.exe	95
PID 1044 wrote to memory of 1316	1044	hello.exe	95
PID 2240 wrote to memory of 1608	2240	0a484835e9ede7334f3f67966d5abd26.exe	94
PID 2240 wrote to memory of 1608	2240	0a484835e9ede7334f3f67966d5abd26.exe	94
PID 2240 wrote to memory of 1608	2240	0a484835e9ede7334f3f67966d5abd26.exe	94

C:\Users\Admin\AppData\Local\Temp\0a484835e9ede7334f3f67966d5abd26.exe
"C:\Users\Admin\AppData\Local\Temp\0a484835e9ede7334f3f67966d5abd26.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hello.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hello.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1044
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\GUOCYOKl.BAT
    3⤵
    PID:1316
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hello.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hello.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:1608

C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE"
1⤵
PID:3084

C:\Windows\EntSver.exe
C:\Windows\EntSver.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2684

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\Local\Temp\IXP000.TMP\hello.exe

Filesize
298KB

MD5
9419975d520d1787b420b1076511bc3a

SHA1
58de806c239df4596799305bc55cebc0c957dc2f

SHA256
a4ee5cdd9d58fcf8ced2acb8a1aa92b6e5f894876432f3daf9f30df676c867cd

SHA512
b054507c5f2109f29129b55d70e95d69f4dfeeb54d7946dbfb8e853995678628a65cd99ebd980d0974016db41a7e7e38b58776e0db14bc550a0e32b6d97f5c7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hello.exe

Filesize
87KB

MD5
1d663e07dcc68e742f3d36a20b879a0c

SHA1
9db2dbf3878929c0fd78663ed3e54a0b279356c4

SHA256
54b33a90efd7a65d7b00ad76391c75ac253f945b14d83abe16aa0c4eaa9ba7cc

SHA512
b17dd0794370006456b3b0fc6921fb68c799887cfbbc11c34e022f038a67458e6d37d1804a910966c8fcde04f9b56a14ae06aca42924a8a33046febb1f726d8c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\hello.exe

Filesize
116KB

MD5
b5efca148ea723f1b333d496ee40ddc1

SHA1
9832a68e414e4a6f1d758829f624c5afd3b941d7

SHA256
6851548162687af66e698f9e315e156daf9b8ffe27391a87f3e6405949d4fc38

SHA512
60ab22b3bec914d46647345cb4a41b5513c8619f660bdbf93b241750431304a55d682338c2d6119b9e27cd4a4bef9e5a0f44184509fc70cb2f6d49c63d0ab170

Download Submit
C:\Windows\EntSver.exe

Filesize
495KB

MD5
6809867490c5e72804b2c87050224131

SHA1
87347e5fd135ea4a401d4a07cbee1117dd8f34fc

SHA256
037b75d659bdbcc49c319be346a43ca232af1e26a8bd7d6b1b0b2f78b9ee465d

SHA512
3029ab97d8f251a721df2068111303f4db925f29dc8ab7825f01d8f8b058cd66e72acadcd89150431546964e7293cf8ce672eeadc25e44ccbe0a53e0d27227d2

Download Submit
C:\Windows\EntSver.exe

Filesize
335KB

MD5
1a7e9a8f81e6e973f0b008a2c40a0766

SHA1
3d0a82b6d43dfdfee89bdced74a3e65b7ec9fc29

SHA256
254a51e9c98a355d97cd5150b53833cfe8a0b7e9beb4746a17ae418daadd0d79

SHA512
96572e73886e65b194cd010e6c80a9836517d12b82e16f67f61cba7290485eb3cd0ad0382431ed53d92d1d2c8fbf12193f4a5e42f26b204a9f0331d615e4e546

Download Submit
C:\Windows\GUOCYOKl.BAT

Filesize
158B

MD5
fd9a48b3dbdc1c2a9e4bf05e83ee810a

SHA1
e4e016ceaa3f06cbee89f4b6f29205a8dda0c0ff

SHA256
d4b5ea9ef731308584b41d502c61a4c5367fca3c228cb2a413662d4d540c99c7

SHA512
0cd2168df626ea4e4828dd4ae38571d838fa0ae15f9cf133b08646f872e233ff58ca170a3d760f03e115e76b06b73ef9d71effe0376f4c219d061bedd977e45d

Download Submit
memory/1044-41-0x0000000002650000-0x0000000002651000-memory.dmp

Filesize
4KB

Download
memory/1044-37-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/1044-67-0x0000000002E40000-0x0000000002E41000-memory.dmp

Filesize
4KB

Download
memory/1044-66-0x0000000002E20000-0x0000000002E21000-memory.dmp

Filesize
4KB

Download
memory/1044-65-0x0000000002AA0000-0x0000000002AA1000-memory.dmp

Filesize
4KB

Download
memory/1044-64-0x0000000002A80000-0x0000000002A81000-memory.dmp

Filesize
4KB

Download
memory/1044-63-0x0000000002A60000-0x0000000002A61000-memory.dmp

Filesize
4KB

Download
memory/1044-62-0x0000000002A40000-0x0000000002A41000-memory.dmp

Filesize
4KB

Download
memory/1044-61-0x0000000002A20000-0x0000000002A21000-memory.dmp

Filesize
4KB

Download
memory/1044-60-0x00000000029D0000-0x00000000029D1000-memory.dmp

Filesize
4KB

Download
memory/1044-59-0x00000000029A0000-0x00000000029A1000-memory.dmp

Filesize
4KB

Download
memory/1044-58-0x0000000002850000-0x0000000002851000-memory.dmp

Filesize
4KB

Download
memory/1044-57-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download
memory/1044-56-0x0000000002830000-0x0000000002831000-memory.dmp

Filesize
4KB

Download
memory/1044-55-0x0000000002840000-0x0000000002841000-memory.dmp

Filesize
4KB

Download
memory/1044-54-0x0000000002810000-0x0000000002811000-memory.dmp

Filesize
4KB

Download
memory/1044-53-0x0000000002820000-0x0000000002821000-memory.dmp

Filesize
4KB

Download
memory/1044-52-0x00000000027E0000-0x00000000027E1000-memory.dmp

Filesize
4KB

Download
memory/1044-51-0x00000000027F0000-0x00000000027F1000-memory.dmp

Filesize
4KB

Download
memory/1044-50-0x00000000027C0000-0x00000000027C1000-memory.dmp

Filesize
4KB

Download
memory/1044-49-0x00000000027D0000-0x00000000027D1000-memory.dmp

Filesize
4KB

Download
memory/1044-48-0x00000000027A0000-0x00000000027A1000-memory.dmp

Filesize
4KB

Download
memory/1044-47-0x00000000027B0000-0x00000000027B1000-memory.dmp

Filesize
4KB

Download
memory/1044-46-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

Download
memory/1044-45-0x0000000002690000-0x0000000002691000-memory.dmp

Filesize
4KB

Download
memory/1044-44-0x0000000002660000-0x0000000002661000-memory.dmp

Filesize
4KB

Download
memory/1044-43-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/1044-42-0x0000000002640000-0x0000000002641000-memory.dmp

Filesize
4KB

Download
memory/1044-69-0x0000000002E80000-0x0000000002E81000-memory.dmp

Filesize
4KB

Download
memory/1044-40-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/1044-39-0x0000000002630000-0x0000000002631000-memory.dmp

Filesize
4KB

Download
memory/1044-38-0x0000000002600000-0x0000000002601000-memory.dmp

Filesize
4KB

Download
memory/1044-68-0x0000000002E60000-0x0000000002E61000-memory.dmp

Filesize
4KB

Download
memory/1044-36-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/1044-70-0x0000000002EA0000-0x0000000002EA1000-memory.dmp

Filesize
4KB

Download
memory/1044-35-0x00000000025F0000-0x00000000025F1000-memory.dmp

Filesize
4KB

Download
memory/1044-34-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/1044-33-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/1044-29-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/1044-28-0x0000000002580000-0x0000000002581000-memory.dmp

Filesize
4KB

Download
memory/1044-27-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/1044-26-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download
memory/1044-25-0x00000000022F0000-0x0000000002333000-memory.dmp

Filesize
268KB

Download
memory/1044-24-0x0000000000400000-0x00000000004F5000-memory.dmp

Filesize
980KB

Download
memory/1044-30-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2240-10-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download
memory/2240-4-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/2240-20-0x0000000002A10000-0x0000000002A11000-memory.dmp

Filesize
4KB

Download
memory/2240-17-0x0000000002A00000-0x0000000002A01000-memory.dmp

Filesize
4KB

Download
memory/2240-16-0x00000000029D0000-0x00000000029D1000-memory.dmp

Filesize
4KB

Download
memory/2240-15-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/2240-14-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/2240-12-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2240-3-0x0000000000C10000-0x0000000000C11000-memory.dmp

Filesize
4KB

Download
memory/2240-13-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2240-8-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

Filesize
4KB

Download
memory/2240-11-0x00000000029B0000-0x00000000029B3000-memory.dmp

Filesize
12KB

Download
memory/2240-9-0x00000000029C0000-0x00000000029C1000-memory.dmp

Filesize
4KB

Download
memory/2240-7-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download
memory/2240-6-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

Filesize
4KB

Download
memory/2240-5-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/2240-1-0x0000000001000000-0x00000000010C5000-memory.dmp

Filesize
788KB

Download
memory/2240-2-0x0000000000A70000-0x0000000000AC0000-memory.dmp

Filesize
320KB

Download
memory/2240-0-0x0000000001000000-0x00000000010C5000-memory.dmp

Filesize
788KB

Download
memory/2240-170-0x0000000001000000-0x00000000010C5000-memory.dmp

Filesize
788KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads