675bc799ed57fa96a32acf0baea68723f246106f2cb9a9c42acd230d3c2a5cd3

Analysis

max time kernel
7s
max time network
7s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 15:01

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Reason

Machine shutdown

Report Analysis Logs

General

Target

fa9f11ac92ff66b24af0d2bc08fd3061_JaffaCakes118.exe
Size

60KB
MD5

fa9f11ac92ff66b24af0d2bc08fd3061
SHA1

85ac53134b6173c7f54b95b4d814348320798b05
SHA256

675bc799ed57fa96a32acf0baea68723f246106f2cb9a9c42acd230d3c2a5cd3
SHA512

755461ac7664b97365080b8242d00fcff350a2a9918af3a59c22077cf3df7c0e0065afe007857dac14ce3d5d9b5659eb471d4f0f13858afae493a70cfe116ead
SSDEEP

768:GTANmSXnJ0vS0Be06Zmbkx+uR8pNQVeqEbh9c8FgcZMVq2ZXhwfXXqVvKeBKGsJ5:QYJsjWo20pjrCJXhQXXqVieYJ/vhVNT

Score

8^/10

discovery evasion upx

Malware Config

Signatures

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1076	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
988	250C87F24489D3BAFE18.exe

Loads dropped DLL 1 IoCs

pid	Process
1076	svchost.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3044-2-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/3044-6-0x0000000000400000-0x0000000000420000-memory.dmp	upx
behavioral1/memory/988-21-0x0000000000400000-0x0000000000420000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	250C87F24489D3BAFE18.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa9f11ac92ff66b24af0d2bc08fd3061_JaffaCakes118.exe

Modifies data under HKEY_USERS 43 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeSystemProfilePrivilege	1076	svchost.exe
Token: SeBackupPrivilege	2260	vssvc.exe
Token: SeRestorePrivilege	2260	vssvc.exe
Token: SeAuditPrivilege	2260	vssvc.exe
Token: SeRestorePrivilege	2892	DrvInst.exe
Token: SeRestorePrivilege	2892	DrvInst.exe
Token: SeRestorePrivilege	2892	DrvInst.exe
Token: SeRestorePrivilege	2892	DrvInst.exe
Token: SeRestorePrivilege	2892	DrvInst.exe
Token: SeRestorePrivilege	2892	DrvInst.exe
Token: SeRestorePrivilege	2892	DrvInst.exe
Token: SeLoadDriverPrivilege	2892	DrvInst.exe
Token: SeLoadDriverPrivilege	2892	DrvInst.exe
Token: SeLoadDriverPrivilege	2892	DrvInst.exe
Token: SeShutdownPrivilege	1800	shutdown.exe
Token: SeRemoteShutdownPrivilege	1800	shutdown.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 1076	3044	fa9f11ac92ff66b24af0d2bc08fd3061_JaffaCakes118.exe	30
PID 3044 wrote to memory of 1076	3044	fa9f11ac92ff66b24af0d2bc08fd3061_JaffaCakes118.exe	30
PID 3044 wrote to memory of 1076	3044	fa9f11ac92ff66b24af0d2bc08fd3061_JaffaCakes118.exe	30
PID 3044 wrote to memory of 1076	3044	fa9f11ac92ff66b24af0d2bc08fd3061_JaffaCakes118.exe	30
PID 3044 wrote to memory of 1076	3044	fa9f11ac92ff66b24af0d2bc08fd3061_JaffaCakes118.exe	30
PID 1076 wrote to memory of 1972	1076	svchost.exe	31
PID 1076 wrote to memory of 1972	1076	svchost.exe	31
PID 1076 wrote to memory of 1972	1076	svchost.exe	31
PID 1076 wrote to memory of 1972	1076	svchost.exe	31
PID 1076 wrote to memory of 1800	1076	svchost.exe	37
PID 1076 wrote to memory of 1800	1076	svchost.exe	37
PID 1076 wrote to memory of 1800	1076	svchost.exe	37
PID 1076 wrote to memory of 1800	1076	svchost.exe	37
PID 1076 wrote to memory of 988	1076	svchost.exe	38
PID 1076 wrote to memory of 988	1076	svchost.exe	38
PID 1076 wrote to memory of 988	1076	svchost.exe	38
PID 1076 wrote to memory of 988	1076	svchost.exe	38
PID 988 wrote to memory of 784	988	250C87F24489D3BAFE18.exe	41
PID 988 wrote to memory of 784	988	250C87F24489D3BAFE18.exe	41
PID 988 wrote to memory of 784	988	250C87F24489D3BAFE18.exe	41
PID 988 wrote to memory of 784	988	250C87F24489D3BAFE18.exe	41
PID 988 wrote to memory of 784	988	250C87F24489D3BAFE18.exe	41

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\fa9f11ac92ff66b24af0d2bc08fd3061_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa9f11ac92ff66b24af0d2bc08fd3061_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Disables RegEdit via registry modification
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1076
- - C:\Windows\SysWOW64\reg.exe
    reg.exe add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1972
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown.exe -r -f -t 0
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1800
- - C:\Users\Admin\AppData\Local\Temp\250C87F24489D3BAFE18.exe
    C:\Users\Admin\AppData\Local\Temp\250C87F24489D3BAFE18.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:988
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:784

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2260

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003C4" "0000000000000574"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2892

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:480

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\250C87F24489D3BAFE18.exe

Filesize
60KB

MD5
fa9f11ac92ff66b24af0d2bc08fd3061

SHA1
85ac53134b6173c7f54b95b4d814348320798b05

SHA256
675bc799ed57fa96a32acf0baea68723f246106f2cb9a9c42acd230d3c2a5cd3

SHA512
755461ac7664b97365080b8242d00fcff350a2a9918af3a59c22077cf3df7c0e0065afe007857dac14ce3d5d9b5659eb471d4f0f13858afae493a70cfe116ead

Download Submit
memory/784-19-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/988-21-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/988-22-0x0000000000403000-0x0000000000407000-memory.dmp

Filesize
16KB

Download
memory/988-15-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/988-16-0x0000000000403000-0x0000000000407000-memory.dmp

Filesize
16KB

Download
memory/1076-4-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/1076-12-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1076-7-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/1076-3-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/1076-23-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/3044-6-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3044-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3044-2-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3044-1-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download