6cba8fb868e71fb1943f4a5859dedfe57f373196c034306193f2c062323a2162

Analysis

max time kernel
149s
max time network
154s
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, 01:46

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General

Target
b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe
Size 1.1MB
Sample240424-b63gdadh75
SHA256 b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4
MD5 a0e9d68e9a8541eb30d6a31cae4a942b
SHA1 3cae987132d7f45df56f77c1ff2a542cb64e64c0
SHA512 eebfe98652f6b7dffb7e57bdd73c80c073f0f1879ee8a86c17054e1e1ecc3bf5dcec66b4619944659b9038ecfca19254fec0cb60c5264d905382acc8fb0ea03a
SSDEEP 24576:c0vvQvOM6sjFYk6IuhdTuvMJbmhQU/YydIE5Ltp:clvpN2zuvMxmhB/Ylyp
MD5 SHA1 SHA512 SSDEEP

Score

4^/10

Malware Config

Signatures

Drops file in Program Files directory 1 IoCs

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

Drops file in Windows directory 2 IoCs

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

pid	pid_target	Process	procid_target
2360	3676	WerFault.exe	92

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3676	powershell.exe
3676	powershell.exe
3676	powershell.exe
3676	powershell.exe
3676	powershell.exe
3676	powershell.exe
3676	powershell.exe
3676	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3676	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 3676	3600	b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe	92
PID 3600 wrote to memory of 3676	3600	b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe	92
PID 3600 wrote to memory of 3676	3600	b9d1e862b5f864aab90e418632cf973132a4b4cbe4044b1fb997d9dfbd7ad0f4.exe	92
PID 3676 wrote to memory of 4416	3676	powershell.exe	97
PID 3676 wrote to memory of 4416	3676	powershell.exe	97
PID 3676 wrote to memory of 4416	3676	powershell.exe	97

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:3600
- 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:3676
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
    3⤵
    PID:4416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3676 -s 2104
    3⤵
    - Program crash
    PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3676 -ip 3676
1⤵
PID:4028

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

__PSScriptPolicyTest_iuctcal0.zvd.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iuctcal0.zvd.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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Michelines.All

Path C:\Users\Admin\AppData\Local\nervier\Estampede\sipunculacean\Michelines.All
Size 56KB
SHA256 a03bb54517df231824d324ad20b79094efef9af20eff855e30a6f459bcc43912
MD5 82340892cba1f6e4faaa080bb634cf9c
SHA1 56b029cbcada747897e9beff7c8f1013b8c9b6ce
SHA512 dfea5297d9aef9004af38f8604e74313f99d477199e797dbeec5367ec3e6c0000a4c62eeab54425deee14de5b1adb224f09956a10619cf03b821b2b91b84f5c7
SSDEEP 1536:aY1v3JTUB3Z1un5G97KwaJx8NIodV4kIj+1S78:auBUEnY7za0NIMa+k8
MD5 SHA1 SHA512 SSDEEP

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memory/3676-30-0x0000000005FA0000-0x00000000062F4000-memory.dmp

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memory/3676-31-0x0000000006370000-0x000000000638E000-memory.dmp

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memory/3676-18-0x00000000053D0000-0x00000000053F2000-memory.dmp

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memory/3676-19-0x0000000005CC0000-0x0000000005D26000-memory.dmp

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memory/3676-16-0x0000000004E60000-0x0000000004E70000-memory.dmp

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memory/3676-22-0x0000000005D30000-0x0000000005D96000-memory.dmp

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memory/3676-14-0x0000000004DE0000-0x0000000004E16000-memory.dmp

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memory/3676-17-0x00000000054A0000-0x0000000005AC8000-memory.dmp

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memory/3676-32-0x00000000063B0000-0x00000000063FC000-memory.dmp

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memory/3676-33-0x0000000007540000-0x00000000075D6000-memory.dmp

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memory/3676-34-0x00000000068A0000-0x00000000068BA000-memory.dmp

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memory/3676-35-0x00000000068C0000-0x00000000068E2000-memory.dmp

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memory/3676-36-0x0000000007B90000-0x0000000008134000-memory.dmp

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memory/3676-15-0x00000000746D0000-0x0000000074E80000-memory.dmp

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memory/3676-38-0x00000000087C0000-0x0000000008E3A000-memory.dmp

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memory/3676-39-0x00000000746D0000-0x0000000074E80000-memory.dmp

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