3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8

Analysis

max time kernel
137s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 01:18

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General

Target

3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe
Size

475KB
MD5

8951c491b26675b308464af7a29567bd
SHA1

883bd6d014e3baf9141b304519fc34eef20eb41f
SHA256

3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8
SHA512

48f909538c8d04839c4a3a0327774e92070a79872231f360a1ce9a4a60ea0f8a7c0bc273787bf0ee07608fabaa56fdf66ca468a1501ecc09e45ed2943ea91134
SSDEEP

12288:/qgowhL+Pylw1QeQMQukEsvs5uT8JGjD8WpyLk8n:xR+a3M0ee8JG38lr

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

1848 powershell.exe

pid	process
1848	powershell.exe

Loads dropped DLL 3 IoCs

Processes:

3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe

pid	process
2800	3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe
2800	3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe
2800	3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe

Drops file in System32 directory 1 IoCs

Processes:

3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe

description ioc process

File created C:\Windows\SysWOW64\energetiskes\Physicianer223.lnk 3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe

description	ioc	process
File created	C:\Windows\SysWOW64\energetiskes\Physicianer223.lnk	3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe

Drops file in Program Files directory 3 IoCs

Processes:

3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Common Files\eduard.lyz	3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe
File opened for modification	C:\Program Files (x86)\Common Files\yeastless.Rus	3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe
File opened for modification	C:\Program Files (x86)\Common Files\Marrowless\Mutated.ini	3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe

Drops file in Windows directory 1 IoCs

Processes:

3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe

description ioc process

File opened for modification C:\Windows\schematizers.roa 3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4156 1848 WerFault.exe powershell.exe
Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exe

pid process

1848 powershell.exe
1848 powershell.exe
1848 powershell.exe
1848 powershell.exe
1848 powershell.exe
1848 powershell.exe
1848 powershell.exe
1848 powershell.exe
1848 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1848 powershell.exe

description	ioc	process
File opened for modification	C:\Windows\schematizers.roa	3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe

pid	pid_target	process	target process
4156	1848	WerFault.exe	powershell.exe

pid	process
1848	powershell.exe
1848	powershell.exe
1848	powershell.exe
1848	powershell.exe
1848	powershell.exe
1848	powershell.exe
1848	powershell.exe
1848	powershell.exe
1848	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1848	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe

description	pid	process	target process
PID 2800 wrote to memory of 1848	2800	3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe	powershell.exe
PID 2800 wrote to memory of 1848	2800	3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe	powershell.exe
PID 2800 wrote to memory of 1848	2800	3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe
"C:\Users\Admin\AppData\Local\Temp\3fc5e4d002e04269f2f674e6a2e98935df133ffe0f1fd54c817662d864c2f1b8.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2800

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" -windowstyle hidden "$Nervish=Get-Content 'C:\Users\Admin\AppData\Local\Temp\overmandede\Metran\menubilledet\Airbill\Matriherital.Dem230';$Riptide=$Nervish.SubString(71344,3);.$Riptide($Nervish)"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 2292
3⤵
- Program crash
PID:4156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1848 -ip 1848
1⤵
PID:4484

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n200rh4o.yi5.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz2CFC.tmp\Banner.dll
Filesize
4KB

MD5
843657eaf7240b695624dcf38bb0eb31

SHA1
ca99a44e737fdeaab56f864ce1ef15a57d2eec90

SHA256
b935d14c32ad8e16055f7f5794ac3411e601c5ac93155afc623f25b08e2ab82e

SHA512
7773d9f6bbd17253d1c96ce225b2f9d3673969b38177afef236d1c5d4aabaae2c07793e07c34f0281ec3b859ae955e83bfe43a598ce7cc6c893ec8c9604f5de3

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz2CFC.tmp\BgImage.dll
Filesize
7KB

MD5
a98576f0d6b35b466cb881860977fdbc

SHA1
28b3dbbd76f15c876b98dce523100aa3256d193a

SHA256
6cc4aadae46ee3e7f39b411ba087ec29bc10aa62b6b5b44003c934b3c51cefe2

SHA512
29225bfb30e72d7d3d3571e7562b5901dbf2382af1972cc9a2be8e3bef697b9ac9e0aaac3a9bca191da827ad3cfce7f6876e8be9444663e83a7e2e86788a733c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz2CFC.tmp\nsDialogs.dll
Filesize
9KB

MD5
2c84faebfda2abe3b16fdf374df4272f

SHA1
a5b0258a94e0440aefe1ef320e62e7a9a1c8bb40

SHA256
72b38e4cca0af336655d55501c4ea05080baaa9921a62a2d717afe90bb801004

SHA512
207164cc6914c59d9f4f3b8ae97628c544093ba6ecda9f8da351f453cd97e03be7a640264b8686b2d5e6f3c787f4df1d8a1ebc8e51fd788a97460cd981cc015e

Download Submit
C:\Users\Admin\AppData\Local\Temp\overmandede\Metran\menubilledet\Airbill\Matriherital.Dem230
Filesize
69KB

MD5
d0e6726fc557c049a1dfd82c836f7616

SHA1
b66f1491354cdcf555412e4b18387c993c0c005d

SHA256
3a31ac511e35678ba9ec6e4a561c4a33af4bd639f5f8f8cc07a20b6957d73922

SHA512
444858aa6db36f3b551239285a0c9463339874b459a54c376fdbc23a353948764a4c6b18d2e89dcdbf0ca8e8a5a8696c6b78f27ae3109156a679b92f9d3c53b9

Download Submit
memory/1848-29-0x0000000004E00000-0x0000000005428000-memory.dmp

Filesize
6.2MB

Download
memory/1848-43-0x0000000005CD0000-0x0000000005CEE000-memory.dmp

Filesize
120KB

Download
memory/1848-30-0x0000000005430000-0x0000000005452000-memory.dmp

Filesize
136KB

Download
memory/1848-31-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/1848-32-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/1848-27-0x0000000004700000-0x0000000004736000-memory.dmp

Filesize
216KB

Download
memory/1848-42-0x00000000058F0000-0x0000000005C44000-memory.dmp

Filesize
3.3MB

Download
memory/1848-28-0x00000000734C0000-0x0000000073C70000-memory.dmp

Filesize
7.7MB

Download
memory/1848-44-0x0000000005D20000-0x0000000005D6C000-memory.dmp

Filesize
304KB

Download
memory/1848-45-0x0000000006C90000-0x0000000006D26000-memory.dmp

Filesize
600KB

Download
memory/1848-46-0x0000000006220000-0x000000000623A000-memory.dmp

Filesize
104KB

Download
memory/1848-47-0x0000000006240000-0x0000000006262000-memory.dmp

Filesize
136KB

Download
memory/1848-48-0x00000000072E0000-0x0000000007884000-memory.dmp

Filesize
5.6MB

Download
memory/1848-26-0x00000000734CE000-0x00000000734CF000-memory.dmp

Filesize
4KB

Download
memory/1848-50-0x0000000007F10000-0x000000000858A000-memory.dmp

Filesize
6.5MB

Download
memory/1848-52-0x00000000734C0000-0x0000000073C70000-memory.dmp

Filesize
7.7MB

Download