88556e11fa91934a3354c5baf638af3dd35b8ebbadae414cdb4b515cb0ba284d

Analysis

max time kernel
13s
max time network
17s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 01:25

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Reason

Machine shutdown

Report Analysis Logs

General

Target

184908dfe15632dfb22aa00b1d112f6b_JaffaCakes118.exe
Size

52KB
MD5

184908dfe15632dfb22aa00b1d112f6b
SHA1

5bf7608d631d43f523526bd575f0f33734f85798
SHA256

88556e11fa91934a3354c5baf638af3dd35b8ebbadae414cdb4b515cb0ba284d
SHA512

31c7fd8536b6c8c50efe2887e4acc36209a9e2ee2f91167e2376f47de316fdc114d934e656c364bb70bb406dfd7b7b15e77b06c8cb93a4530932ee2b042238f0
SSDEEP

1536:J8Ixedb5JXZVG3GzPKa6hXqAOHzxtwUDyLtV:JilM2ealAOHzLwU0v

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1740	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	fiklxyspr65343.exe

Loads dropped DLL 1 IoCs

pid	Process
1740	svchost.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2236-0-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral1/memory/2236-4-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral1/memory/2236-1-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral1/files/0x000c00000001313a-10.dat	upx
behavioral1/memory/2920-17-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral1/memory/2920-16-0x0000000000400000-0x0000000000424000-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

Modifies data under HKEY_USERS 43 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	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\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\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\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\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	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	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\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1740	svchost.exe
1740	svchost.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeBackupPrivilege	2628	vssvc.exe
Token: SeRestorePrivilege	2628	vssvc.exe
Token: SeAuditPrivilege	2628	vssvc.exe
Token: SeRestorePrivilege	2484	DrvInst.exe
Token: SeRestorePrivilege	2484	DrvInst.exe
Token: SeRestorePrivilege	2484	DrvInst.exe
Token: SeRestorePrivilege	2484	DrvInst.exe
Token: SeRestorePrivilege	2484	DrvInst.exe
Token: SeRestorePrivilege	2484	DrvInst.exe
Token: SeRestorePrivilege	2484	DrvInst.exe
Token: SeLoadDriverPrivilege	2484	DrvInst.exe
Token: SeLoadDriverPrivilege	2484	DrvInst.exe
Token: SeLoadDriverPrivilege	2484	DrvInst.exe
Token: SeDebugPrivilege	1740	svchost.exe
Token: SeShutdownPrivilege	2980	shutdown.exe
Token: SeRemoteShutdownPrivilege	2980	shutdown.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1740	2236	184908dfe15632dfb22aa00b1d112f6b_JaffaCakes118.exe	28
PID 2236 wrote to memory of 1740	2236	184908dfe15632dfb22aa00b1d112f6b_JaffaCakes118.exe	28
PID 2236 wrote to memory of 1740	2236	184908dfe15632dfb22aa00b1d112f6b_JaffaCakes118.exe	28
PID 2236 wrote to memory of 1740	2236	184908dfe15632dfb22aa00b1d112f6b_JaffaCakes118.exe	28
PID 2236 wrote to memory of 1740	2236	184908dfe15632dfb22aa00b1d112f6b_JaffaCakes118.exe	28
PID 1740 wrote to memory of 2980	1740	svchost.exe	33
PID 1740 wrote to memory of 2980	1740	svchost.exe	33
PID 1740 wrote to memory of 2980	1740	svchost.exe	33
PID 1740 wrote to memory of 2980	1740	svchost.exe	33
PID 1740 wrote to memory of 2920	1740	svchost.exe	34
PID 1740 wrote to memory of 2920	1740	svchost.exe	34
PID 1740 wrote to memory of 2920	1740	svchost.exe	34
PID 1740 wrote to memory of 2920	1740	svchost.exe	34
PID 2920 wrote to memory of 2664	2920	fiklxyspr65343.exe	36
PID 2920 wrote to memory of 2664	2920	fiklxyspr65343.exe	36
PID 2920 wrote to memory of 2664	2920	fiklxyspr65343.exe	36
PID 2920 wrote to memory of 2664	2920	fiklxyspr65343.exe	36
PID 2920 wrote to memory of 2664	2920	fiklxyspr65343.exe	36

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\184908dfe15632dfb22aa00b1d112f6b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\184908dfe15632dfb22aa00b1d112f6b_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown.exe -r -f -t 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2980
- - C:\Users\Admin\AppData\Local\Temp\fiklxyspr65343.exe
    C:\Users\Admin\AppData\Local\Temp\fiklxyspr65343.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2920
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      PID:2664

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2628

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000390" "00000000000005AC"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2484

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1564

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:280

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\fiklxyspr65343.exe

Filesize
52KB

MD5
184908dfe15632dfb22aa00b1d112f6b

SHA1
5bf7608d631d43f523526bd575f0f33734f85798

SHA256
88556e11fa91934a3354c5baf638af3dd35b8ebbadae414cdb4b515cb0ba284d

SHA512
31c7fd8536b6c8c50efe2887e4acc36209a9e2ee2f91167e2376f47de316fdc114d934e656c364bb70bb406dfd7b7b15e77b06c8cb93a4530932ee2b042238f0

Download Submit
memory/1740-5-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/1740-22-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/1740-14-0x00000000004C0000-0x00000000004E4000-memory.dmp

Filesize
144KB

Download
memory/1740-6-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/2236-1-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2236-2-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download
memory/2236-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2236-3-0x0000000000410000-0x0000000000414000-memory.dmp

Filesize
16KB

Download
memory/2236-4-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2664-19-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/2664-23-0x000000007EFA0000-0x000000007EFAE000-memory.dmp

Filesize
56KB

Download
memory/2920-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2920-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download