8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0

Analysis

max time kernel
27s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-01-2025 23:54

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General

Target

8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe
Size

1.4MB
MD5

74c1c83c732cfec9911b8b392dbf89b8
SHA1

25ed13bd043b31ae55dac26010c48537ec733cce
SHA256

8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0
SHA512

820ce9e2e562912b663e2aa9b34125009da95c133be4313ea242b9cf492e1fd9f12a2de8b3efee9d8d487f752df6332c9336fccd90374d872ccceea0631ebf92
SSDEEP

24576:3Mjhfa5aaH+5vgpD650+RFo6kF/5SrkGB8PGqooMWiI05bmktUNudtJjdPrF:K/nog50+Ri6kokGB9qoC1ab7SNudXjdZ

Score

7^/10

discovery execution

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2844	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp

Loads dropped DLL 9 IoCs

pid	Process
2728	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe
2844	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
2844	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
2844	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
2612	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe
2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
3028	regsvr32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell to execute payload.

execution

PowerShell

T1059.001

pid	Process
1152	powershell.exe
828	powershell.exe
828	powershell.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	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
2404	3028	WerFault.exe	34

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
3028	regsvr32.exe
1152	powershell.exe
828	powershell.exe
3028	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1152	powershell.exe
Token: SeDebugPrivilege	828	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2844	2728	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	31
PID 2728 wrote to memory of 2844	2728	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	31
PID 2728 wrote to memory of 2844	2728	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	31
PID 2728 wrote to memory of 2844	2728	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	31
PID 2728 wrote to memory of 2844	2728	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	31
PID 2728 wrote to memory of 2844	2728	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	31
PID 2728 wrote to memory of 2844	2728	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	31
PID 2844 wrote to memory of 2612	2844	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	32
PID 2844 wrote to memory of 2612	2844	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	32
PID 2844 wrote to memory of 2612	2844	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	32
PID 2844 wrote to memory of 2612	2844	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	32
PID 2844 wrote to memory of 2612	2844	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	32
PID 2844 wrote to memory of 2612	2844	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	32
PID 2844 wrote to memory of 2612	2844	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	32
PID 2612 wrote to memory of 2576	2612	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	33
PID 2612 wrote to memory of 2576	2612	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	33
PID 2612 wrote to memory of 2576	2612	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	33
PID 2612 wrote to memory of 2576	2612	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	33
PID 2612 wrote to memory of 2576	2612	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	33
PID 2612 wrote to memory of 2576	2612	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	33
PID 2612 wrote to memory of 2576	2612	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe	33
PID 2576 wrote to memory of 3028	2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	34
PID 2576 wrote to memory of 3028	2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	34
PID 2576 wrote to memory of 3028	2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	34
PID 2576 wrote to memory of 3028	2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	34
PID 2576 wrote to memory of 3028	2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	34
PID 2576 wrote to memory of 3028	2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	34
PID 2576 wrote to memory of 3028	2576	8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp	34
PID 3028 wrote to memory of 1152	3028	regsvr32.exe	35
PID 3028 wrote to memory of 1152	3028	regsvr32.exe	35
PID 3028 wrote to memory of 1152	3028	regsvr32.exe	35
PID 3028 wrote to memory of 1152	3028	regsvr32.exe	35
PID 3028 wrote to memory of 828	3028	regsvr32.exe	37
PID 3028 wrote to memory of 828	3028	regsvr32.exe	37
PID 3028 wrote to memory of 828	3028	regsvr32.exe	37
PID 3028 wrote to memory of 828	3028	regsvr32.exe	37
PID 3028 wrote to memory of 2404	3028	regsvr32.exe	39
PID 3028 wrote to memory of 2404	3028	regsvr32.exe	39
PID 3028 wrote to memory of 2404	3028	regsvr32.exe	39
PID 3028 wrote to memory of 2404	3028	regsvr32.exe	39

C:\Users\Admin\AppData\Local\Temp\8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe
"C:\Users\Admin\AppData\Local\Temp\8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\is-KPHIV.tmp\8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-KPHIV.tmp\8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp" /SL5="$5014E,1081243,161792,C:\Users\Admin\AppData\Local\Temp\8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Users\Admin\AppData\Local\Temp\8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe
    "C:\Users\Admin\AppData\Local\Temp\8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe" /VERYSILENT
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2612
  - - C:\Users\Admin\AppData\Local\Temp\is-T5SC7.tmp\8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T5SC7.tmp\8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp" /SL5="$6014E,1081243,161792,C:\Users\Admin\AppData\Local\Temp\8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.exe" /VERYSILENT
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2576
    - - C:\Windows\SysWOW64\regsvr32.exe
        
        "regsvr32.exe" /s /i:SYNC "C:\Users\Admin\AppData\Roaming\\9ntdll_4.drv"
        5⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3028
      - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command "if (Get-ScheduledTask | Where-Object { $_.Actions.Execute -eq 'regsvr32' -and $_.Actions.Arguments -eq '/S /i:SYNC C:\Users\Admin\AppData\Roaming\9ntdll_4.drv' }) { exit 0 } else { exit 1 }"
        6⤵
        Command and Scripting Interpreter: PowerShell
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1152
      - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" "Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute \"regsvr32\" -Argument \"/S /i:SYNC C:\Users\Admin\AppData\Roaming\9ntdll_4.drv\") -Trigger (New-ScheduledTaskTrigger -Once -At (Get-Date).AddMinutes(1) -RepetitionInterval (New-TimeSpan -Minutes 1)) -TaskName 'MicrosoftEdgeUpdateTaskMachineUA{A1DE30FA-BABE-4187-D990-0DCED5A8728F}' -Description 'MicrosoftEdgeUpdateTaskMachineUA' -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -ExecutionTimeLimit 0) -RunLevel Highest"
        6⤵
        Command and Scripting Interpreter: PowerShell
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:828
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 476
        6⤵
        Program crash
        
        PID:2404

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\9ntdll_4.drv

Filesize
3.0MB

MD5
0cfacfa4f5044659a2928ec133ca6fb1

SHA1
d4ef7b298d5fc6e58a83cd994d9b739c82ff3188

SHA256
54d6ad606a151e075b2e854da88c876ace57c42d4c94ddf13acb2ccd8695bdce

SHA512
630bee59a1b1a8c461841e380364635f7c620a21102c1a347375602b827b3edaea3a7a23e6517b5a5124a02094c4a37f443b10728a92efae6e3817689078b63c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
fbafe191e002199069cd7e0e45e0afe9

SHA1
9743988b92aefdf63bcb1e76db885aedd25b0933

SHA256
e9bf7f5bd5331595187ee4aede84b79c4d58ff8008948a50ee814d713311f7b2

SHA512
83a0e6f58efdb96aa058e5a9c268f8b5ef27628aace8d432b8ab64b502eabdf517ab5af578fa4248e6c55a59be2e9ef4b236e8261191f328e522ffae51c55369

Download Submit
\Users\Admin\AppData\Local\Temp\is-ETQKA.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-ETQKA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-KPHIV.tmp\8041fe294422821a4ff85656ecf7d780ea761163b06b966e126290988f093ac0.tmp

Filesize
1.1MB

MD5
bcc236a3921e1388596a42b05686ff5e

SHA1
43bffbbac6a1bf5f1fa21e971e06e6f1d0af9263

SHA256
43a656bcd060e8a36502ca2deb878d56a99078f13d3e57dcd73a87128588c9e9

SHA512
e3baaf1a8f4eb0e1ab57a1fb35bc7ded476606b65fafb09835d34705d8c661819c3cfa0ecc43c5a0d0085fd570df581438de27944e054e12c09a6933bbf5ce04

Download Submit
memory/2576-51-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/2612-22-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2612-25-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2612-53-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2728-0-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2728-2-0x0000000000401000-0x0000000000417000-memory.dmp

Filesize
88KB

Download
memory/2728-27-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2844-8-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/2844-24-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/3028-72-0x00000000740E0000-0x00000000743A6000-memory.dmp

Filesize
2.8MB

Download