f4e82140ff19c86b41e6a4639026ba3d1afa5f340214a1518afb4c8ce6527a80

General

Target

b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe
Size

36KB
MD5

b99b9b7a3db6c9c331491a92cc3b550e
SHA1

f55af132534c4c7821b2894cdafbd3508fe53002
SHA256

f4e82140ff19c86b41e6a4639026ba3d1afa5f340214a1518afb4c8ce6527a80
SHA512

dcf1e24ba336c7beff43c141831069f0c4b7f89cc296b03d672d8be132b68db89cfa19ca028584c081a06973f3ea50e21be690e50106e5588e8829cc7322a2c7
SSDEEP

768:DlcTwpQJkYYTgOnHBqQTZqDsQw6AL7oh2q7vm6PrP2578Nkbj:h8wyJnYEOH9ZqDw8h3bzPD2mej

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2808	BCSSync.exe
2716	BCSSync.exe

Loads dropped DLL 3 IoCs

pid	Process
2252	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe
2252	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe
2808	BCSSync.exe

Unexpected DNS network traffic destination 5 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	83.133.119.139
Destination IP	83.133.119.139
Destination IP	83.133.119.139
Destination IP	83.133.119.139
Destination IP	83.133.119.139

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2648 set thread context of 2252	2648	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	30
PID 2808 set thread context of 2716	2808	BCSSync.exe	32

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	BCSSync .exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BCSSync.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BCSSync.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2252	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2252	2648	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2252	2648	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2252	2648	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2252	2648	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2252	2648	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2252	2648	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2252	2648	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2252	2648	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2252	2648	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	30
PID 2252 wrote to memory of 2808	2252	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2808	2252	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2808	2252	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2808	2252	b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe	31
PID 2808 wrote to memory of 2716	2808	BCSSync.exe	32
PID 2808 wrote to memory of 2716	2808	BCSSync.exe	32
PID 2808 wrote to memory of 2716	2808	BCSSync.exe	32
PID 2808 wrote to memory of 2716	2808	BCSSync.exe	32
PID 2808 wrote to memory of 2716	2808	BCSSync.exe	32
PID 2808 wrote to memory of 2716	2808	BCSSync.exe	32
PID 2808 wrote to memory of 2716	2808	BCSSync.exe	32
PID 2808 wrote to memory of 2716	2808	BCSSync.exe	32
PID 2808 wrote to memory of 2716	2808	BCSSync.exe	32
PID 2716 wrote to memory of 1476	2716	BCSSync.exe	33
PID 2716 wrote to memory of 1476	2716	BCSSync.exe	33
PID 2716 wrote to memory of 1476	2716	BCSSync.exe	33
PID 2716 wrote to memory of 1476	2716	BCSSync.exe	33

C:\Users\Admin\AppData\Local\Temp\b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe
    "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2808
  - - C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe
      "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2716
    - - C:\Program Files (x86)\Microsoft Office\Office14\BCSSync .exe
        
        "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync .exe" "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\b99b9b7a3db6c9c331491a92cc3b550e_JaffaCakes118.exe
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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

\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe

Filesize
36KB

MD5
0790ba76d60988e73d0470b4f92238df

SHA1
ef875cb62faab9844359d0f9466eccc4e3e8958f

SHA256
e06927268303e98dbaf6a67476008b894b96f9935ead5d2d31e251dc6e32ceb5

SHA512
71b146be5c4889352a46ddd7fe0dd6ad7c3cbceb64caed896200c07b603c030c13ee392d69fd1f243048b8ab4aa51b2895cd1631b25e6c59b73db5280a09ed57

Download Submit
memory/2252-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2252-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2252-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2252-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2252-12-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2252-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2252-19-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2252-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2252-16-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2252-41-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2716-42-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2716-43-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

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