b555b98abe8eb8f9e9f240fdb22070df16680e8864a6d93549a8288f57bff5c7

Analysis

max time kernel
148s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
24-04-2024 01:20

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General

Target

b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe
Size

1.1MB
MD5

a0e9d68e9a8541eb30d6a31cae4a942b
SHA1

3cae987132d7f45df56f77c1ff2a542cb64e64c0
SHA256

b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4
SHA512

eebfe98652f6b7dffb7e57bdd73c80c073f0f1879ee8a86c17054e1e1ecc3bf5dcec66b4619944659b9038ecfca19254fec0cb60c5264d905382acc8fb0ea03a
SSDEEP

24576:c0vvQvOM6sjFYk6IuhdTuvMJbmhQU/YydIE5Ltp:clvpN2zuvMxmhB/Ylyp

Score

4^/10

Malware Config

Signatures

Drops file in Program Files directory 1 IoCs

Processes:

b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Common Files\Levantine.ini	b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe

Drops file in Windows directory 2 IoCs

Processes:

b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe

description	ioc	process
File opened for modification	C:\Windows\Fonts\tashlik.ini	b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe
File opened for modification	C:\Windows\resources\0409\marmoreret.ini	b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.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

4608 2064 WerFault.exe powershell.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exe

pid process

2064 powershell.exe
2064 powershell.exe
2064 powershell.exe
2064 powershell.exe
2064 powershell.exe
2064 powershell.exe
2064 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2064 powershell.exe

pid	pid_target	process	target process
4608	2064	WerFault.exe	powershell.exe

pid	process
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2064	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exepowershell.exe

description	pid	process	target process
PID 1372 wrote to memory of 2064	1372	b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe	powershell.exe
PID 1372 wrote to memory of 2064	1372	b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe	powershell.exe
PID 1372 wrote to memory of 2064	1372	b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe	powershell.exe
PID 2064 wrote to memory of 764	2064	powershell.exe	cmd.exe
PID 2064 wrote to memory of 764	2064	powershell.exe	cmd.exe
PID 2064 wrote to memory of 764	2064	powershell.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe
"C:\Users\Admin\AppData\Local\Temp\b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Bissede=Get-Content 'C:\Users\Admin\AppData\Local\nervier\Estampede\sipunculacean\Michelines.All';$Flumes35=$Bissede.SubString(58005,3);.$Flumes35($Bissede)"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
    3⤵
    PID:764
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 2324
    3⤵
    - Program crash
    PID:4608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2064 -ip 2064
1⤵
PID:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bl5zq0uw.rr4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\nervier\Estampede\sipunculacean\Michelines.All

Filesize
56KB

MD5
82340892cba1f6e4faaa080bb634cf9c

SHA1
56b029cbcada747897e9beff7c8f1013b8c9b6ce

SHA256
a03bb54517df231824d324ad20b79094efef9af20eff855e30a6f459bcc43912

SHA512
dfea5297d9aef9004af38f8604e74313f99d477199e797dbeec5367ec3e6c0000a4c62eeab54425deee14de5b1adb224f09956a10619cf03b821b2b91b84f5c7

Download Submit
memory/2064-18-0x0000000002B40000-0x0000000002B50000-memory.dmp

Filesize
64KB

Download
memory/2064-33-0x0000000005F80000-0x0000000005FCC000-memory.dmp

Filesize
304KB

Download
memory/2064-15-0x0000000074F50000-0x0000000075700000-memory.dmp

Filesize
7.7MB

Download
memory/2064-19-0x0000000004FA0000-0x0000000004FC2000-memory.dmp

Filesize
136KB

Download
memory/2064-20-0x00000000058D0000-0x0000000005936000-memory.dmp

Filesize
408KB

Download
memory/2064-21-0x0000000005940000-0x00000000059A6000-memory.dmp

Filesize
408KB

Download
memory/2064-16-0x0000000002B40000-0x0000000002B50000-memory.dmp

Filesize
64KB

Download
memory/2064-31-0x00000000059B0000-0x0000000005D04000-memory.dmp

Filesize
3.3MB

Download
memory/2064-32-0x0000000005F30000-0x0000000005F4E000-memory.dmp

Filesize
120KB

Download
memory/2064-17-0x00000000051A0000-0x00000000057C8000-memory.dmp

Filesize
6.2MB

Download
memory/2064-36-0x00000000064D0000-0x00000000064F2000-memory.dmp

Filesize
136KB

Download
memory/2064-35-0x0000000006480000-0x000000000649A000-memory.dmp

Filesize
104KB

Download
memory/2064-34-0x00000000070D0000-0x0000000007166000-memory.dmp

Filesize
600KB

Download
memory/2064-37-0x0000000007720000-0x0000000007CC4000-memory.dmp

Filesize
5.6MB

Download
memory/2064-14-0x0000000002940000-0x0000000002976000-memory.dmp

Filesize
216KB

Download
memory/2064-39-0x0000000008350000-0x00000000089CA000-memory.dmp

Filesize
6.5MB

Download
memory/2064-40-0x0000000074F50000-0x0000000075700000-memory.dmp

Filesize
7.7MB

Download