d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da

Analysis

max time kernel
157s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 04:39

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General

Target

d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da.exe
Size

267KB
MD5

06e2f2b76a12acc1673f3bc5d2b6e0dd
SHA1

823a535162560825c1b766f40049acf2c0fdfbbb
SHA256

d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da
SHA512

f75069e7fbeb0242240ca2aa161c27b6bad7f4152a2e31fd65b467c5b545d095e7d5448404591233d954ace9d952441979154525420edee31c360ae8984598bf
SSDEEP

6144:XbfO3SlNyTkyhlx0kRujRYO4VYAtHJ3DFLjxIE++/gAxcbibMoS6:LfIST8kk0kMlCPTvXxKXoS6

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 10 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe = "C:\\Users\\Admin\\AppData\\Roaming\\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger"	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\winlogon.exe = "C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe

Executes dropped EXE 3 IoCs

pid	Process
2968	winlogon.exe
4936	winlogon.exe
4748	winlogon.exe

UPX packed file 18 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
	upx
behavioral2/memory/3992-132-0x0000000000400000-0x000000000057E000-memory.dmp	upx
behavioral2/files/0x0006000000022e70-139.dat	upx
behavioral2/files/0x0006000000022e70-140.dat	upx
behavioral2/memory/3992-141-0x0000000000400000-0x000000000057E000-memory.dmp	upx
behavioral2/memory/4936-145-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/files/0x0006000000022e70-146.dat	upx
behavioral2/memory/4936-148-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/4936-152-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/files/0x0006000000022e70-153.dat	upx
behavioral2/memory/4748-156-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/4748-151-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/2968-150-0x0000000000400000-0x000000000057E000-memory.dmp	upx
behavioral2/memory/2968-160-0x0000000000400000-0x000000000057E000-memory.dmp	upx
behavioral2/memory/4748-159-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/4936-171-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/4748-172-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/4936-173-0x0000000000400000-0x000000000045D000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2968 set thread context of 4936	2968	winlogon.exe	85
PID 2968 set thread context of 4748	2968	winlogon.exe	86

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

System Information Discovery
T1082

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
2464	reg.exe
1940	reg.exe
1312	reg.exe
3412	reg.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: 1	4936	winlogon.exe
Token: SeCreateTokenPrivilege	4936	winlogon.exe
Token: SeAssignPrimaryTokenPrivilege	4936	winlogon.exe
Token: SeLockMemoryPrivilege	4936	winlogon.exe
Token: SeIncreaseQuotaPrivilege	4936	winlogon.exe
Token: SeMachineAccountPrivilege	4936	winlogon.exe
Token: SeTcbPrivilege	4936	winlogon.exe
Token: SeSecurityPrivilege	4936	winlogon.exe
Token: SeTakeOwnershipPrivilege	4936	winlogon.exe
Token: SeLoadDriverPrivilege	4936	winlogon.exe
Token: SeSystemProfilePrivilege	4936	winlogon.exe
Token: SeSystemtimePrivilege	4936	winlogon.exe
Token: SeProfSingleProcessPrivilege	4936	winlogon.exe
Token: SeIncBasePriorityPrivilege	4936	winlogon.exe
Token: SeCreatePagefilePrivilege	4936	winlogon.exe
Token: SeCreatePermanentPrivilege	4936	winlogon.exe
Token: SeBackupPrivilege	4936	winlogon.exe
Token: SeRestorePrivilege	4936	winlogon.exe
Token: SeShutdownPrivilege	4936	winlogon.exe
Token: SeDebugPrivilege	4936	winlogon.exe
Token: SeAuditPrivilege	4936	winlogon.exe
Token: SeSystemEnvironmentPrivilege	4936	winlogon.exe
Token: SeChangeNotifyPrivilege	4936	winlogon.exe
Token: SeRemoteShutdownPrivilege	4936	winlogon.exe
Token: SeUndockPrivilege	4936	winlogon.exe
Token: SeSyncAgentPrivilege	4936	winlogon.exe
Token: SeEnableDelegationPrivilege	4936	winlogon.exe
Token: SeManageVolumePrivilege	4936	winlogon.exe
Token: SeImpersonatePrivilege	4936	winlogon.exe
Token: SeCreateGlobalPrivilege	4936	winlogon.exe
Token: 31	4936	winlogon.exe
Token: 32	4936	winlogon.exe
Token: 33	4936	winlogon.exe
Token: 34	4936	winlogon.exe
Token: 35	4936	winlogon.exe
Token: SeDebugPrivilege	4748	winlogon.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3992	d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da.exe
2968	winlogon.exe
4936	winlogon.exe
4748	winlogon.exe
4936	winlogon.exe
4936	winlogon.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 3592	3992	d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da.exe	80
PID 3992 wrote to memory of 3592	3992	d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da.exe	80
PID 3992 wrote to memory of 3592	3992	d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da.exe	80
PID 3592 wrote to memory of 2556	3592	cmd.exe	83
PID 3592 wrote to memory of 2556	3592	cmd.exe	83
PID 3592 wrote to memory of 2556	3592	cmd.exe	83
PID 3992 wrote to memory of 2968	3992	d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da.exe	84
PID 3992 wrote to memory of 2968	3992	d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da.exe	84
PID 3992 wrote to memory of 2968	3992	d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da.exe	84
PID 2968 wrote to memory of 4936	2968	winlogon.exe	85
PID 2968 wrote to memory of 4936	2968	winlogon.exe	85
PID 2968 wrote to memory of 4936	2968	winlogon.exe	85
PID 2968 wrote to memory of 4936	2968	winlogon.exe	85
PID 2968 wrote to memory of 4936	2968	winlogon.exe	85
PID 2968 wrote to memory of 4936	2968	winlogon.exe	85
PID 2968 wrote to memory of 4936	2968	winlogon.exe	85
PID 2968 wrote to memory of 4936	2968	winlogon.exe	85
PID 2968 wrote to memory of 4748	2968	winlogon.exe	86
PID 2968 wrote to memory of 4748	2968	winlogon.exe	86
PID 2968 wrote to memory of 4748	2968	winlogon.exe	86
PID 2968 wrote to memory of 4748	2968	winlogon.exe	86
PID 2968 wrote to memory of 4748	2968	winlogon.exe	86
PID 2968 wrote to memory of 4748	2968	winlogon.exe	86
PID 2968 wrote to memory of 4748	2968	winlogon.exe	86
PID 2968 wrote to memory of 4748	2968	winlogon.exe	86
PID 4936 wrote to memory of 1352	4936	winlogon.exe	87
PID 4936 wrote to memory of 1352	4936	winlogon.exe	87
PID 4936 wrote to memory of 1352	4936	winlogon.exe	87
PID 4936 wrote to memory of 1228	4936	winlogon.exe	89
PID 4936 wrote to memory of 1228	4936	winlogon.exe	89
PID 4936 wrote to memory of 1228	4936	winlogon.exe	89
PID 4936 wrote to memory of 1112	4936	winlogon.exe	90
PID 4936 wrote to memory of 1112	4936	winlogon.exe	90
PID 4936 wrote to memory of 1112	4936	winlogon.exe	90
PID 4936 wrote to memory of 3964	4936	winlogon.exe	92
PID 4936 wrote to memory of 3964	4936	winlogon.exe	92
PID 4936 wrote to memory of 3964	4936	winlogon.exe	92
PID 1352 wrote to memory of 1940	1352	cmd.exe	96
PID 1352 wrote to memory of 1940	1352	cmd.exe	96
PID 1352 wrote to memory of 1940	1352	cmd.exe	96
PID 1228 wrote to memory of 2464	1228	cmd.exe	95
PID 1228 wrote to memory of 2464	1228	cmd.exe	95
PID 1228 wrote to memory of 2464	1228	cmd.exe	95
PID 1112 wrote to memory of 1312	1112	cmd.exe	97
PID 1112 wrote to memory of 1312	1112	cmd.exe	97
PID 1112 wrote to memory of 1312	1112	cmd.exe	97
PID 3964 wrote to memory of 3412	3964	cmd.exe	98
PID 3964 wrote to memory of 3412	3964	cmd.exe	98
PID 3964 wrote to memory of 3412	3964	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da.exe
"C:\Users\Admin\AppData\Local\Temp\d98dee41146be954611c93a73c3f695d4f39d6533139e0ea45d9eebc7fdd48da.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AKTnM.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3592
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Winlogon" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe" /f
    3⤵
    - Adds Run key to start application
    PID:2556
- C:\Users\Admin\AppData\Roaming\winlogon.exe
  "C:\Users\Admin\AppData\Roaming\winlogon.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2968
- - C:\Users\Admin\AppData\Roaming\winlogon.exe
    winlogon.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4936
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1352
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:1940
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1228
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:2464
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1112
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:1312
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3964
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:3412
- - C:\Users\Admin\AppData\Roaming\winlogon.exe
    C:\Users\Admin\AppData\Roaming\winlogon.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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\AKTnM.bat

Filesize
138B

MD5
4da6717f2c70f4bd32ad33a227a2ff47

SHA1
3d7f7159e1f695bd469287d1ad4ffa0841b407a8

SHA256
a12bb2e5d2fb0b3c400ce311fae72995a00b57a97d23e4b9effec47cff189d07

SHA512
6765314054ad9bf2164058248f3d3a17775176925abbe4376aec030dca3a5e59be8b9e96139941fec2b2e1a9bff38f87abdb29ea09a299d8ab7e23ecec4083df

Download Submit
C:\Users\Admin\AppData\Roaming\winlogon.exe

Filesize
267KB

MD5
29b9c3465fe1b45e71da61e7458947be

SHA1
7380ba99b876fbd4473540f2671515f370286bae

SHA256
0d97df2caafc62c5c9a46ad00ed2f495e63537f16c784e2976d517eb21145bb4

SHA512
aa489cba49ef9901be934cf8361255b390c8f48d03353b726ee763976539def0f62c2a7f8698a9d4c7d486418c50bea40a07cfe113069a82e7af8ac0562c03bf

Download Submit
C:\Users\Admin\AppData\Roaming\winlogon.exe

Filesize
267KB

MD5
29b9c3465fe1b45e71da61e7458947be

SHA1
7380ba99b876fbd4473540f2671515f370286bae

SHA256
0d97df2caafc62c5c9a46ad00ed2f495e63537f16c784e2976d517eb21145bb4

SHA512
aa489cba49ef9901be934cf8361255b390c8f48d03353b726ee763976539def0f62c2a7f8698a9d4c7d486418c50bea40a07cfe113069a82e7af8ac0562c03bf

Download Submit
C:\Users\Admin\AppData\Roaming\winlogon.exe

Filesize
267KB

MD5
29b9c3465fe1b45e71da61e7458947be

SHA1
7380ba99b876fbd4473540f2671515f370286bae

SHA256
0d97df2caafc62c5c9a46ad00ed2f495e63537f16c784e2976d517eb21145bb4

SHA512
aa489cba49ef9901be934cf8361255b390c8f48d03353b726ee763976539def0f62c2a7f8698a9d4c7d486418c50bea40a07cfe113069a82e7af8ac0562c03bf

Download Submit
C:\Users\Admin\AppData\Roaming\winlogon.exe

Filesize
267KB

MD5
29b9c3465fe1b45e71da61e7458947be

SHA1
7380ba99b876fbd4473540f2671515f370286bae

SHA256
0d97df2caafc62c5c9a46ad00ed2f495e63537f16c784e2976d517eb21145bb4

SHA512
aa489cba49ef9901be934cf8361255b390c8f48d03353b726ee763976539def0f62c2a7f8698a9d4c7d486418c50bea40a07cfe113069a82e7af8ac0562c03bf

Download Submit
memory/2968-150-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download
memory/2968-160-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download
memory/3992-132-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download
memory/3992-141-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download
memory/4748-159-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4748-151-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4748-156-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4748-172-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4936-152-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4936-148-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4936-145-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4936-171-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4936-173-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads