20440c827eb44a5d43aa75663f5ea620229ff490981f98ca6e9f58332fa538fe

General

Target

70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe
Size

332KB
MD5

70738261a8bc06d81e55d16984f8d964
SHA1

fa9e3ba8eb52b8ed73863e80a737e0da6a396a9a
SHA256

20440c827eb44a5d43aa75663f5ea620229ff490981f98ca6e9f58332fa538fe
SHA512

9dc2494d59139e468729b9a1c1d64084f6ef54537a17dfc35b1d46bbe2508f7f259024414ae1c456862cc348f27e72444d6e75889f3433a8e2ad08c0ebbd474e
SSDEEP

6144:n8nfCUJFh0unxWKr4Duo+BTXKiIlGh2WIUUuTkmfoJeurBHKEcG05L:nLUx0sxW5sBjNG5xEkyozn0V

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2064	aNnEp07002.exe

Executes dropped EXE 1 IoCs

pid	Process
2064	aNnEp07002.exe

Loads dropped DLL 2 IoCs

pid	Process
1992	70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe
1992	70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1992-1-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/2064-14-0x0000000000400000-0x00000000005B1000-memory.dmp	upx
behavioral1/memory/1992-18-0x0000000000400000-0x00000000005B1000-memory.dmp	upx
behavioral1/memory/2064-19-0x0000000000400000-0x00000000005B1000-memory.dmp	upx
behavioral1/memory/1992-21-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1992-20-0x0000000000400000-0x00000000005B1000-memory.dmp	upx
behavioral1/memory/2064-27-0x0000000000400000-0x00000000005B1000-memory.dmp	upx

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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\aNnEp07002 = "C:\\ProgramData\\aNnEp07002\\aNnEp07002.exe"	aNnEp07002.exe

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	70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aNnEp07002.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Internet Explorer\Main	aNnEp07002.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1992	70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe
1992	70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe
2064	aNnEp07002.exe
2064	aNnEp07002.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe
Token: SeDebugPrivilege	2064	aNnEp07002.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2064	aNnEp07002.exe
2064	aNnEp07002.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2064	aNnEp07002.exe
2064	aNnEp07002.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2064	aNnEp07002.exe
2064	aNnEp07002.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2064	1992	70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2064	1992	70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2064	1992	70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2064	1992	70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992
- C:\ProgramData\aNnEp07002\aNnEp07002.exe
  "C:\ProgramData\aNnEp07002\aNnEp07002.exe" "C:\Users\Admin\AppData\Local\Temp\70738261a8bc06d81e55d16984f8d964_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2064

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

2

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

\ProgramData\aNnEp07002\aNnEp07002.exe

Filesize
332KB

MD5
8546c63baa6aa50263ce509061974fbc

SHA1
853e101fff3cc3b9761156ba887fa289ff2269b6

SHA256
c08659f99f30a91e10cee3c63e036b4515f5435c5c7b09d7f66e867e3cd4bebc

SHA512
2b019089459129202ffcd1c9aaeaec33f124770db0bcdf2213901d71ad629506f92586f1420d7249921c91952889bd097ee9a8541fc99b98f78a32c8e9403f3f

Download Submit
memory/1992-0-0x0000000001D30000-0x0000000001D7D000-memory.dmp

Filesize
308KB

Download
memory/1992-1-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1992-18-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/1992-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1992-20-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2064-14-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2064-19-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2064-27-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads