ee3d024268256495132ffac481e2d5bad2657a4dfe8cb0abb1f1536e769adf9e

General

Target

07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe
Size

49KB
MD5

07aec88dbd6f50818f91f10b50b0d5c8
SHA1

5798c5a082dd9834e0ef5a689f1cfbcc2789b483
SHA256

ee3d024268256495132ffac481e2d5bad2657a4dfe8cb0abb1f1536e769adf9e
SHA512

2a7f160c755cc1b683254f8d40679695dab10f7cad1c2d68fd44d7b2b19a71f98894ef1cf0baa3cf14449b0d3db6a8360d05e0deacf805f59ae0277f4ec3662b
SSDEEP

768:RBr8s7p2cyC54FnTCaJGctkuxPXv0+NKTXlVtyhx0K1/OcCIpw+6PBvPpAwlY:R2sVVKTkcDZKTX3t01CIX6ZvGwlY

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4152	taskdir.exe

Loads dropped DLL 5 IoCs

pid	Process
3420	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe
3420	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe
4152	taskdir.exe
4152	taskdir.exe
4152	taskdir.exe

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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskdir = "C:\\Windows\\system32\\taskdir.exe"	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\zlbw.dll	taskdir.exe
File created	C:\Windows\SysWOW64\taskdir.dll	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\taskdir.exe	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\taskdir.exe	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\taskdir.exe	taskdir.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3420-0-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/3420-1-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/files/0x0007000000023462-12.dat	upx
behavioral2/memory/3420-13-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/4152-20-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/4152-18-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/4152-23-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/4152-31-0x0000000000400000-0x0000000000490000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskdir.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3420	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe
Token: SeDebugPrivilege	4152	taskdir.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3420	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe
4152	taskdir.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 4152	3420	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe	86
PID 3420 wrote to memory of 4152	3420	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe	86
PID 3420 wrote to memory of 4152	3420	07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\07aec88dbd6f50818f91f10b50b0d5c8_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Windows\SysWOW64\taskdir.exe
  taskdir.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\taskdir.dll

Filesize
4KB

MD5
f3d0c43986004a77e4b3425ac7b780a5

SHA1
21ccfb692a61b78a422eccb6429153db18f81757

SHA256
2097bcb221365f0523b6ff64ec6965dc8e541b44291261374c0f92354c7b9e6c

SHA512
e5e2c03b9a3281af5df3ee80721ef6756b1ba6a39c90d164ce1bc5b5487dcb4f005675596a00f941d9917bc3ea57049a00d8c806bd52b02ad9e2db8d8b13bd7c

Download Submit
C:\Windows\SysWOW64\taskdir.exe

Filesize
49KB

MD5
07aec88dbd6f50818f91f10b50b0d5c8

SHA1
5798c5a082dd9834e0ef5a689f1cfbcc2789b483

SHA256
ee3d024268256495132ffac481e2d5bad2657a4dfe8cb0abb1f1536e769adf9e

SHA512
2a7f160c755cc1b683254f8d40679695dab10f7cad1c2d68fd44d7b2b19a71f98894ef1cf0baa3cf14449b0d3db6a8360d05e0deacf805f59ae0277f4ec3662b

Download Submit
C:\Windows\SysWOW64\zlbw.dll

Filesize
45KB

MD5
f42601d4ac18bb06d830b6f8e4500adf

SHA1
66ff00d72ed68fa417638b514610c7cf611ddb90

SHA256
2c54ec6433444a5173a38c75f46c8bec63f90c3ed6efea20beac76c67bc27c95

SHA512
8011e932f363fd5730a2cf27ca36a8b62e1c1e61d188bb08b6aad927e2b1a06f8b2ee1c26fff4863fa99d1675fc72d4159b331a3ae25acee0b18e3e41dcb741f

Download Submit
memory/3420-14-0x0000000000500000-0x0000000000505000-memory.dmp

Filesize
20KB

Download
memory/3420-7-0x0000000000500000-0x0000000000505000-memory.dmp

Filesize
20KB

Download
memory/3420-5-0x0000000000500000-0x0000000000505000-memory.dmp

Filesize
20KB

Download
memory/3420-0-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3420-13-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3420-1-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4152-20-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4152-21-0x00000000005D0000-0x00000000005D5000-memory.dmp

Filesize
20KB

Download
memory/4152-18-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4152-22-0x00000000005D0000-0x00000000005D5000-memory.dmp

Filesize
20KB

Download
memory/4152-23-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4152-31-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads