daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8

General

Target

daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe
Size

34KB
MD5

82dfa200f1a3859d5f84786d22c4e841
SHA1

8f58afff72ce46dec19d399f8be193de906f093f
SHA256

daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8
SHA512

5daa66b4b43503a6b6c58341ae5e1781db1f3057ca5f4be9ee9157326b1db2aac53f52de30a0fb6284e5bc1c5f9ef0792ec946aa922922556ffc1114a108bd57
SSDEEP

768:WC/ZZIq55P8S1QZRPas6yjlbY8pxejmc1JsbR0y0DTw:WChWqrnQZBzphY5j91ybsDs

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1316	BCSSync.exe
1392	BCSSync.exe

Loads dropped DLL 2 IoCs

pid	Process
872	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe
872	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.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 564 set thread context of 872	564	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	27
PID 1316 set thread context of 1392	1316	BCSSync.exe	29

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
872	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 564 wrote to memory of 872	564	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	27
PID 564 wrote to memory of 872	564	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	27
PID 564 wrote to memory of 872	564	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	27
PID 564 wrote to memory of 872	564	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	27
PID 564 wrote to memory of 872	564	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	27
PID 564 wrote to memory of 872	564	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	27
PID 564 wrote to memory of 872	564	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	27
PID 564 wrote to memory of 872	564	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	27
PID 564 wrote to memory of 872	564	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	27
PID 872 wrote to memory of 1316	872	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	28
PID 872 wrote to memory of 1316	872	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	28
PID 872 wrote to memory of 1316	872	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	28
PID 872 wrote to memory of 1316	872	daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe	28
PID 1316 wrote to memory of 1392	1316	BCSSync.exe	29
PID 1316 wrote to memory of 1392	1316	BCSSync.exe	29
PID 1316 wrote to memory of 1392	1316	BCSSync.exe	29
PID 1316 wrote to memory of 1392	1316	BCSSync.exe	29
PID 1316 wrote to memory of 1392	1316	BCSSync.exe	29
PID 1316 wrote to memory of 1392	1316	BCSSync.exe	29
PID 1316 wrote to memory of 1392	1316	BCSSync.exe	29
PID 1316 wrote to memory of 1392	1316	BCSSync.exe	29
PID 1316 wrote to memory of 1392	1316	BCSSync.exe	29
PID 1392 wrote to memory of 1732	1392	BCSSync.exe	30
PID 1392 wrote to memory of 1732	1392	BCSSync.exe	30
PID 1392 wrote to memory of 1732	1392	BCSSync.exe	30
PID 1392 wrote to memory of 1732	1392	BCSSync.exe	30

C:\Users\Admin\AppData\Local\Temp\daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe
"C:\Users\Admin\AppData\Local\Temp\daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:564
- C:\Users\Admin\AppData\Local\Temp\daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe
  "C:\Users\Admin\AppData\Local\Temp\daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:872
- - 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\daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1316
  - - 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\daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:1392
    - - 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\daedcb1739b3b63ff1865b929d0eabc7861bad3151e063384656c193b5d620d8.exe
        5⤵
        
        PID:1732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
34KB

MD5
0e1b1e31c8b9350682b1d212c34bfb14

SHA1
71f20aaaa955698964fa9af45dad4ab8a9875941

SHA256
a4ff82fbdd696324f065fd90291adced059dc5e31ae494509ef75afe0036e57a

SHA512
88794b1f533448a7ed24230bc67101187d5bd4da69a3dcedea0c59828113d73e28e4746bb5c03585805aaa53b115bb0931357c5aec0f28e5cb4b204aa0d8f395

Download Submit
C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe

Filesize
34KB

MD5
0e1b1e31c8b9350682b1d212c34bfb14

SHA1
71f20aaaa955698964fa9af45dad4ab8a9875941

SHA256
a4ff82fbdd696324f065fd90291adced059dc5e31ae494509ef75afe0036e57a

SHA512
88794b1f533448a7ed24230bc67101187d5bd4da69a3dcedea0c59828113d73e28e4746bb5c03585805aaa53b115bb0931357c5aec0f28e5cb4b204aa0d8f395

Download Submit
C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe

Filesize
34KB

MD5
0e1b1e31c8b9350682b1d212c34bfb14

SHA1
71f20aaaa955698964fa9af45dad4ab8a9875941

SHA256
a4ff82fbdd696324f065fd90291adced059dc5e31ae494509ef75afe0036e57a

SHA512
88794b1f533448a7ed24230bc67101187d5bd4da69a3dcedea0c59828113d73e28e4746bb5c03585805aaa53b115bb0931357c5aec0f28e5cb4b204aa0d8f395

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

Filesize
34KB

MD5
0e1b1e31c8b9350682b1d212c34bfb14

SHA1
71f20aaaa955698964fa9af45dad4ab8a9875941

SHA256
a4ff82fbdd696324f065fd90291adced059dc5e31ae494509ef75afe0036e57a

SHA512
88794b1f533448a7ed24230bc67101187d5bd4da69a3dcedea0c59828113d73e28e4746bb5c03585805aaa53b115bb0931357c5aec0f28e5cb4b204aa0d8f395

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

Filesize
34KB

MD5
0e1b1e31c8b9350682b1d212c34bfb14

SHA1
71f20aaaa955698964fa9af45dad4ab8a9875941

SHA256
a4ff82fbdd696324f065fd90291adced059dc5e31ae494509ef75afe0036e57a

SHA512
88794b1f533448a7ed24230bc67101187d5bd4da69a3dcedea0c59828113d73e28e4746bb5c03585805aaa53b115bb0931357c5aec0f28e5cb4b204aa0d8f395

Download Submit
memory/872-84-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/872-60-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/872-63-0x0000000074AD1000-0x0000000074AD3000-memory.dmp

Filesize
8KB

Download
memory/872-64-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/872-65-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/872-54-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/872-59-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/872-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/872-57-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/872-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1392-83-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1392-87-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

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