21fe4b0111ec4f85f7181bb104f6c28e2193f97cfed82e4acbbe88de00a5f664

Analysis

max time kernel
135s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
05/06/2024, 01:12

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General

Target
21fe4b0111ec4f85f7181bb104f6c28e2193f97cfed82e4acbbe88de00a5f664.exe
Size 587KB
Sample240605-bkhj3shf41
SHA256 21fe4b0111ec4f85f7181bb104f6c28e2193f97cfed82e4acbbe88de00a5f664
MD5 bd819dbdd029540fd5a3f2d50c5703b6
SHA1 19c773a27f63d35680ad47dba72c0efa8c21514a
SHA512 0d40d3f8bcaaded7cf46db20827da3c0ffbfc73c9441dde23e2aff5bc5fc12d02819ec872e9f815c27446ebd2fd4e6d678002e33328960f5d4afc7e534f14323
SSDEEP 12288:1fpsz6myEfxf4FfxmwYxmvWpo0zif5ffYe2AG4SZ:1fprqcfxhZwo0zUI2G4A
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3516	Powershell.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
3400	3516	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3516	Powershell.exe
3516	Powershell.exe
3516	Powershell.exe
3516	Powershell.exe
3516	Powershell.exe
3516	Powershell.exe
3516	Powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3516	Powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 3516	1492	21fe4b0111ec4f85f7181bb104f6c28e2193f97cfed82e4acbbe88de00a5f664.exe	83
PID 1492 wrote to memory of 3516	1492	21fe4b0111ec4f85f7181bb104f6c28e2193f97cfed82e4acbbe88de00a5f664.exe	83
PID 1492 wrote to memory of 3516	1492	21fe4b0111ec4f85f7181bb104f6c28e2193f97cfed82e4acbbe88de00a5f664.exe	83
PID 3516 wrote to memory of 2700	3516	Powershell.exe	90
PID 3516 wrote to memory of 2700	3516	Powershell.exe	90
PID 3516 wrote to memory of 2700	3516	Powershell.exe	90

C:\Users\Admin\AppData\Local\Temp\21fe4b0111ec4f85f7181bb104f6c28e2193f97cfed82e4acbbe88de00a5f664.exe
"C:\Users\Admin\AppData\Local\Temp\21fe4b0111ec4f85f7181bb104f6c28e2193f97cfed82e4acbbe88de00a5f664.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -windowstyle minimized "$Maskinskriverske = Get-Content 'C:\Users\Admin\AppData\Local\scullions\Incompensation\Brepillerne.Iam' ; $Bilde=$Maskinskriverske.SubString(8527,3);.$Bilde($Maskinskriverske) "
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3516
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
    3⤵
    PID:2700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 2700
    3⤵
    - Program crash
    PID:3400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3516 -ip 3516
1⤵
PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_nr51p3ak.a2n.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nr51p3ak.a2n.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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Brepillerne.Iam

Path C:\Users\Admin\AppData\Local\scullions\Incompensation\Brepillerne.Iam
Size 66KB
SHA256 b053fd712f7eca839900ffb92b3153aee5d27a313f247539106d6eadb2fc5c48
MD5 de718dfa72c3ac9820c48903228076eb
SHA1 0ec701e0ddab7030598b4db3cb2bfdec3aedd4e1
SHA512 d930324faed17c8846443d4d92d67bcd7affa0e7898f22a1db67b4c1b1cac8856d223f8c11de592fc62ad49abb4620c13fc72be8495474550f65636fd35d0eda
SSDEEP 1536:DLC8MyuFarLGYnKpIhSI2aCLhHF0VzAaG9iK295BFyy:DLR04rLzKpqlCLozARu9J/
MD5 SHA1 SHA512 SSDEEP

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memory/3516-23-0x0000000074D00000-0x00000000754B0000-memory.dmp

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memory/3516-38-0x00000000068E0000-0x000000000692C000-memory.dmp

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memory/3516-19-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

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memory/3516-24-0x0000000005980000-0x00000000059A2000-memory.dmp

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memory/3516-25-0x0000000006130000-0x0000000006196000-memory.dmp

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memory/3516-26-0x00000000061A0000-0x0000000006206000-memory.dmp

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memory/3516-21-0x0000000074D00000-0x00000000754B0000-memory.dmp

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memory/3516-36-0x0000000006210000-0x0000000006564000-memory.dmp

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memory/3516-37-0x0000000006840000-0x000000000685E000-memory.dmp

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memory/3516-22-0x0000000005A90000-0x00000000060B8000-memory.dmp

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memory/3516-41-0x0000000007A40000-0x0000000007A62000-memory.dmp

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memory/3516-40-0x0000000006D70000-0x0000000006D8A000-memory.dmp

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memory/3516-39-0x0000000006DB0000-0x0000000006E46000-memory.dmp

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memory/3516-42-0x0000000008020000-0x00000000085C4000-memory.dmp

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memory/3516-20-0x0000000003250000-0x0000000003286000-memory.dmp

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memory/3516-44-0x0000000008C50000-0x00000000092CA000-memory.dmp

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memory/3516-45-0x0000000074D00000-0x00000000754B0000-memory.dmp

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