06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a

General

Target

06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe
Size

34KB
MD5

5b0b3a8addde48827a3e56c140d0df87
SHA1

0c3458d499f4a6306e1f6075b3635eb689bc9aad
SHA256

06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a
SHA512

e1e69887ce33a41c32e4f0830cd04f485bab02a915dc9d1113d375ad950ddfafad7461d85c52e3e2d5f53a6a04634280d46afd592c6b82eb4a1df70d7a01dc04
SSDEEP

768:ksYcI18QEdR6/1uixIROstI3auUjf9rxsW93yc1Ln7En1:ksZ+0GS8sgkjfI2E1

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
944	BCSSync.exe
1516	BCSSync.exe

Loads dropped DLL 2 IoCs

pid	Process
1988	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe
1988	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.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 544 set thread context of 1988	544	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	26
PID 944 set thread context of 1516	944	BCSSync.exe	28

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\T540i71.com	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.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
1988	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 1988	544	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	26
PID 544 wrote to memory of 1988	544	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	26
PID 544 wrote to memory of 1988	544	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	26
PID 544 wrote to memory of 1988	544	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	26
PID 544 wrote to memory of 1988	544	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	26
PID 544 wrote to memory of 1988	544	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	26
PID 544 wrote to memory of 1988	544	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	26
PID 544 wrote to memory of 1988	544	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	26
PID 544 wrote to memory of 1988	544	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	26
PID 1988 wrote to memory of 944	1988	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	27
PID 1988 wrote to memory of 944	1988	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	27
PID 1988 wrote to memory of 944	1988	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	27
PID 1988 wrote to memory of 944	1988	06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe	27
PID 944 wrote to memory of 1516	944	BCSSync.exe	28
PID 944 wrote to memory of 1516	944	BCSSync.exe	28
PID 944 wrote to memory of 1516	944	BCSSync.exe	28
PID 944 wrote to memory of 1516	944	BCSSync.exe	28
PID 944 wrote to memory of 1516	944	BCSSync.exe	28
PID 944 wrote to memory of 1516	944	BCSSync.exe	28
PID 944 wrote to memory of 1516	944	BCSSync.exe	28
PID 944 wrote to memory of 1516	944	BCSSync.exe	28
PID 944 wrote to memory of 1516	944	BCSSync.exe	28
PID 1516 wrote to memory of 760	1516	BCSSync.exe	29
PID 1516 wrote to memory of 760	1516	BCSSync.exe	29
PID 1516 wrote to memory of 760	1516	BCSSync.exe	29
PID 1516 wrote to memory of 760	1516	BCSSync.exe	29

C:\Users\Admin\AppData\Local\Temp\06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe
"C:\Users\Admin\AppData\Local\Temp\06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:544
- C:\Users\Admin\AppData\Local\Temp\06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe
  "C:\Users\Admin\AppData\Local\Temp\06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1988
- - 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\06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:944
  - - 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\06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:1516
    - - 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\06c6482cc43b8d4f735e1f8ffaefff412d16773951e183eedfd05f9797d5750a.exe
        5⤵
        
        PID:760

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
5f92fc27a59d0e2ab7672b9d8890606e

SHA1
0b4bb5a41f305343aa63293501e85af5a7c6c6d2

SHA256
7ac8c73c123e02d9da8677ed9864ec22ce3d2e95b6443ccff9f35229429aebb3

SHA512
17aa151025b33b0dc7e8007d3663c392d7e4ef0cf9ebdc0a9f0bb04367a7dda14649cc0d54a7ca8cb0a0fdb1d8bc31d292c26f204bf7e1839a98344b0ae02bce

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

Filesize
34KB

MD5
5f92fc27a59d0e2ab7672b9d8890606e

SHA1
0b4bb5a41f305343aa63293501e85af5a7c6c6d2

SHA256
7ac8c73c123e02d9da8677ed9864ec22ce3d2e95b6443ccff9f35229429aebb3

SHA512
17aa151025b33b0dc7e8007d3663c392d7e4ef0cf9ebdc0a9f0bb04367a7dda14649cc0d54a7ca8cb0a0fdb1d8bc31d292c26f204bf7e1839a98344b0ae02bce

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

Filesize
34KB

MD5
5f92fc27a59d0e2ab7672b9d8890606e

SHA1
0b4bb5a41f305343aa63293501e85af5a7c6c6d2

SHA256
7ac8c73c123e02d9da8677ed9864ec22ce3d2e95b6443ccff9f35229429aebb3

SHA512
17aa151025b33b0dc7e8007d3663c392d7e4ef0cf9ebdc0a9f0bb04367a7dda14649cc0d54a7ca8cb0a0fdb1d8bc31d292c26f204bf7e1839a98344b0ae02bce

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

Filesize
34KB

MD5
5f92fc27a59d0e2ab7672b9d8890606e

SHA1
0b4bb5a41f305343aa63293501e85af5a7c6c6d2

SHA256
7ac8c73c123e02d9da8677ed9864ec22ce3d2e95b6443ccff9f35229429aebb3

SHA512
17aa151025b33b0dc7e8007d3663c392d7e4ef0cf9ebdc0a9f0bb04367a7dda14649cc0d54a7ca8cb0a0fdb1d8bc31d292c26f204bf7e1839a98344b0ae02bce

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

Filesize
34KB

MD5
5f92fc27a59d0e2ab7672b9d8890606e

SHA1
0b4bb5a41f305343aa63293501e85af5a7c6c6d2

SHA256
7ac8c73c123e02d9da8677ed9864ec22ce3d2e95b6443ccff9f35229429aebb3

SHA512
17aa151025b33b0dc7e8007d3663c392d7e4ef0cf9ebdc0a9f0bb04367a7dda14649cc0d54a7ca8cb0a0fdb1d8bc31d292c26f204bf7e1839a98344b0ae02bce

Download Submit
memory/760-93-0x0000000000000000-mapping.dmp

Download
memory/944-72-0x0000000000000000-mapping.dmp

Download
memory/1516-91-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1516-82-0x0000000000401A40-mapping.dmp

Download
memory/1988-61-0x0000000000401A40-mapping.dmp

Download
memory/1988-69-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1988-65-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/1988-64-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/1988-63-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1988-60-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1988-54-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1988-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1988-57-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1988-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1988-92-0x00000000744B1000-0x00000000744B3000-memory.dmp

Filesize
8KB

Download
memory/1988-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

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