9975b743a813ae0797112fccfc2c098473f33b06abb66de722655d8136f2c395

General

Target

a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe
Size

26KB
MD5

a3452a11bba40fa1228f26c5ad863a25
SHA1

096eb66514dda278c840c1a736a31244b690b0d6
SHA256

9975b743a813ae0797112fccfc2c098473f33b06abb66de722655d8136f2c395
SHA512

8ac4a7986a4ed9a9c3071414a5e1b29e215c443fcdb20f3bd4fc1af5d9cde3751bb65cec721129c5fb66dbace0f55d02eda41a2151a23c29f29fef0acf93afb6
SSDEEP

768:UNlkO4R88wnAVwSYr/aM1uB7gadaScipv/s:5O4dVlYojaFiv/s

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2652	live.messenger.com
2812	live.messenger.com

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\MSN Messenger = "live.messenger.com"	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 2632	2372	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe	31
PID 2652 set thread context of 2812	2652	live.messenger.com	33

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\live.messenger.com	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe
File opened for modification	C:\Windows\live.messenger.com	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe
File created	C:\Windows\admintxt.txt	live.messenger.com

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	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	live.messenger.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	live.messenger.com

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2632	2372	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2632	2372	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2632	2372	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2632	2372	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2632	2372	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2632	2372	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe	31
PID 2632 wrote to memory of 2652	2632	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe	32
PID 2632 wrote to memory of 2652	2632	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe	32
PID 2632 wrote to memory of 2652	2632	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe	32
PID 2632 wrote to memory of 2652	2632	a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe	32
PID 2652 wrote to memory of 2812	2652	live.messenger.com	33
PID 2652 wrote to memory of 2812	2652	live.messenger.com	33
PID 2652 wrote to memory of 2812	2652	live.messenger.com	33
PID 2652 wrote to memory of 2812	2652	live.messenger.com	33
PID 2652 wrote to memory of 2812	2652	live.messenger.com	33
PID 2652 wrote to memory of 2812	2652	live.messenger.com	33

C:\Users\Admin\AppData\Local\Temp\a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a3452a11bba40fa1228f26c5ad863a25_JaffaCakes118.exe
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\live.messenger.com
    "C:\Windows\live.messenger.com"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2652
  - - C:\Windows\live.messenger.com
      C:\Windows\live.messenger.com
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      PID:2812

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\live.messenger.com

Filesize
26KB

MD5
a3452a11bba40fa1228f26c5ad863a25

SHA1
096eb66514dda278c840c1a736a31244b690b0d6

SHA256
9975b743a813ae0797112fccfc2c098473f33b06abb66de722655d8136f2c395

SHA512
8ac4a7986a4ed9a9c3071414a5e1b29e215c443fcdb20f3bd4fc1af5d9cde3751bb65cec721129c5fb66dbace0f55d02eda41a2151a23c29f29fef0acf93afb6

Download Submit
memory/2372-4-0x0000000019140000-0x000000001914E000-memory.dmp

Filesize
56KB

Download
memory/2632-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2632-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2632-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2632-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2632-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2632-27-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2652-22-0x0000000019140000-0x000000001914E000-memory.dmp

Filesize
56KB

Download
memory/2812-25-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2812-26-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2812-28-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads