8b66d02d464683ea036c32d10bb418a4e60199188fe96094b31a218ba93e5daf

General

Target

a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe
Size

75KB
MD5

a40c77beae013005a230ce082c780b6f
SHA1

08929a1517673aa32f0d74736fc6f2640a9ca9de
SHA256

8b66d02d464683ea036c32d10bb418a4e60199188fe96094b31a218ba93e5daf
SHA512

e467203a243d8be8e9444d2bd6d9745935fa6a33e3a1e9c16fc5b2a2d946c313b5150992604933497620e57e330f4e9c584a47c2bc879f1bf8892010e4a89db7
SSDEEP

1536:Ms0+GLR/25T8QtVDr7+xufs8Ped4CpJLXKuO5jb0PoahBKh:F5Wo8QtVCufzP+p58lPahBKh

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2200	explorer.exe

Executes dropped EXE 1 IoCs

pid	Process
3000	jjqcdyb.exe

Loads dropped DLL 4 IoCs

pid	Process
1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe
1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe
3000	jjqcdyb.exe
3000	jjqcdyb.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\jjqcdyb = "c:\\windows\\system32\\jjqcdyb.exe"	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\jjqcdyb.exe	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe
File opened for modification	\??\c:\windows\SysWOW64\jjqcdyb.exe	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe
File created	\??\c:\windows\SysWOW64\jjqcdyb.exe	jjqcdyb.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 2200	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe	31
PID 3000 set thread context of 2104	3000	jjqcdyb.exe	32

System Location Discovery: System Language Discovery 1 TTPs 4 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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jjqcdyb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3000	jjqcdyb.exe
Token: SeIncBasePriorityPrivilege	3000	jjqcdyb.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 3000	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe	30
PID 1984 wrote to memory of 3000	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe	30
PID 1984 wrote to memory of 3000	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe	30
PID 1984 wrote to memory of 3000	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2200	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2200	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2200	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2200	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2200	1984	a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe	31
PID 3000 wrote to memory of 2104	3000	jjqcdyb.exe	32
PID 3000 wrote to memory of 2104	3000	jjqcdyb.exe	32
PID 3000 wrote to memory of 2104	3000	jjqcdyb.exe	32
PID 3000 wrote to memory of 2104	3000	jjqcdyb.exe	32
PID 3000 wrote to memory of 2104	3000	jjqcdyb.exe	32

C:\Users\Admin\AppData\Local\Temp\a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a40c77beae013005a230ce082c780b6f_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984
- \??\c:\windows\SysWOW64\jjqcdyb.exe
  "c:\windows\system32\jjqcdyb.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3000
- - \??\c:\windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2104
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2200

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

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Downloads

C:\Windows\SysWOW64\jjqcdyb.exe

Filesize
75KB

MD5
a40c77beae013005a230ce082c780b6f

SHA1
08929a1517673aa32f0d74736fc6f2640a9ca9de

SHA256
8b66d02d464683ea036c32d10bb418a4e60199188fe96094b31a218ba93e5daf

SHA512
e467203a243d8be8e9444d2bd6d9745935fa6a33e3a1e9c16fc5b2a2d946c313b5150992604933497620e57e330f4e9c584a47c2bc879f1bf8892010e4a89db7

Download Submit
memory/1984-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1984-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3000-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3000-28-0x0000000000430000-0x000000000045F000-memory.dmp

Filesize
188KB

Download
memory/3000-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads