d746f4c3a9fcc457b0771ad5da09fa10a979f08d5096ed35c7eb86ed0f78c14b

General

Target

b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe
Size

684KB
MD5

b55e738b6ca323a59b62b2ee907b49c9
SHA1

8fd0a239d7f5bf74efc2c7f948c434438595d45e
SHA256

d746f4c3a9fcc457b0771ad5da09fa10a979f08d5096ed35c7eb86ed0f78c14b
SHA512

41c7f6484342aed502b548b2e62dfae17300a5edc387dfc124a4014ce40d8303cc6653a4af213814651f88d56423edcf3cd745ad7c1653f6c2790c95f6500e60
SSDEEP

6144:tyAAUXdVlZwkmw+7hG8drP9/rOb5klzPYbT9l4KZwoC:1AUXdVlzmXXBzOb5klzPYbT9lTnC

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2844-2-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral1/memory/2844-4-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral1/memory/2844-5-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral1/memory/2844-14-0x0000000000400000-0x0000000000434000-memory.dmp	upx

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 2844	2136	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	30
PID 2844 set thread context of 2952	2844	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2952	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe
2952	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2136	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe
2844	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2844	2136	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2844	2136	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2844	2136	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2844	2136	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2844	2136	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2844	2136	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2844	2136	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2844	2136	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2844	2136	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	30
PID 2844 wrote to memory of 2952	2844	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2952	2844	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2952	2844	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2952	2844	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2952	2844	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2952	2844	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2952	2844	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	31
PID 2844 wrote to memory of 2952	2844	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	31
PID 2952 wrote to memory of 1232	2952	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	21
PID 2952 wrote to memory of 1232	2952	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	21
PID 2952 wrote to memory of 1232	2952	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	21
PID 2952 wrote to memory of 1232	2952	b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232
- C:\Users\Admin\AppData\Local\Temp\b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Users\Admin\AppData\Local\Temp\b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2844
  - - C:\Users\Admin\AppData\Local\Temp\b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\b55e738b6ca323a59b62b2ee907b49c9_JaffaCakes118.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/1232-15-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

Filesize
28KB

Download
memory/1232-18-0x000000007EFD0000-0x000000007EFD1000-memory.dmp

Filesize
4KB

Download
memory/2844-2-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2844-4-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2844-5-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2844-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2952-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2952-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2952-11-0x0000000000400000-0x0000000000408960-memory.dmp

Filesize
34KB

Download
memory/2952-27-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

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