fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3

General

Target

fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe
Size

35KB
MD5

8efa1c33b6d16563c499807baa39a958
SHA1

2520666dc9b51d0e5c5e27454a3824348c2512d8
SHA256

fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3
SHA512

8b9f827a64abf828ac5d3b85c5bac3a74ac70e3d2e7485d5c68023847cc6243ff16f672612c950b3cd4bbc318e9ed87c78a8e1787379dd57df9fb08e2b6c7489
SSDEEP

384:x9RlQG13BLgexxxaR0O834rfmAT/5bcicoAVmaqsj7T0oY7cQ67oJk1Ziwf6hyc3:TQGpmes+olciha/sw8cF6srxLwN97jB

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1080	BCSSync.exe
1888	BCSSync.exe

Loads dropped DLL 2 IoCs

pid	Process
1460	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe
1460	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.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 1932 set thread context of 1460	1932	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	28
PID 1080 set thread context of 1888	1080	BCSSync.exe	30

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.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
1460	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1932	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe
1080	BCSSync.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1460	1932	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	28
PID 1932 wrote to memory of 1460	1932	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	28
PID 1932 wrote to memory of 1460	1932	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	28
PID 1932 wrote to memory of 1460	1932	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	28
PID 1932 wrote to memory of 1460	1932	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	28
PID 1932 wrote to memory of 1460	1932	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	28
PID 1932 wrote to memory of 1460	1932	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	28
PID 1932 wrote to memory of 1460	1932	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	28
PID 1932 wrote to memory of 1460	1932	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	28
PID 1460 wrote to memory of 1080	1460	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	29
PID 1460 wrote to memory of 1080	1460	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	29
PID 1460 wrote to memory of 1080	1460	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	29
PID 1460 wrote to memory of 1080	1460	fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe	29
PID 1080 wrote to memory of 1888	1080	BCSSync.exe	30
PID 1080 wrote to memory of 1888	1080	BCSSync.exe	30
PID 1080 wrote to memory of 1888	1080	BCSSync.exe	30
PID 1080 wrote to memory of 1888	1080	BCSSync.exe	30
PID 1080 wrote to memory of 1888	1080	BCSSync.exe	30
PID 1080 wrote to memory of 1888	1080	BCSSync.exe	30
PID 1080 wrote to memory of 1888	1080	BCSSync.exe	30
PID 1080 wrote to memory of 1888	1080	BCSSync.exe	30
PID 1080 wrote to memory of 1888	1080	BCSSync.exe	30
PID 1888 wrote to memory of 1844	1888	BCSSync.exe	31
PID 1888 wrote to memory of 1844	1888	BCSSync.exe	31
PID 1888 wrote to memory of 1844	1888	BCSSync.exe	31
PID 1888 wrote to memory of 1844	1888	BCSSync.exe	31

C:\Users\Admin\AppData\Local\Temp\fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe
"C:\Users\Admin\AppData\Local\Temp\fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe
  "C:\Users\Admin\AppData\Local\Temp\fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1460
- - 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\fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    PID:1080
  - - 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\fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:1888
    - - 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\fd7e187e518df255ce5c1d37ae7eec5e7a2e7a2abc8943eed9dd7a99b6b622b3.exe
        5⤵
        
        PID:1844

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
35KB

MD5
a36d8eb7e827eef145977e7b5ade9d3a

SHA1
23a308a9aa531752a23dc9ef9573e34957a71e0e

SHA256
e567d736fd11ad28cd3fb7edf38b359a4d4904739b68e6b67535a470cf8eed0a

SHA512
d9c35993798ebbb8c7574dd84000f836734daba6c14d27018fdfe1f91fd6de521aef7e10250c8fd1df6d670db305a6078700110032b83c246e86b0e3b2363e2f

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

Filesize
35KB

MD5
a36d8eb7e827eef145977e7b5ade9d3a

SHA1
23a308a9aa531752a23dc9ef9573e34957a71e0e

SHA256
e567d736fd11ad28cd3fb7edf38b359a4d4904739b68e6b67535a470cf8eed0a

SHA512
d9c35993798ebbb8c7574dd84000f836734daba6c14d27018fdfe1f91fd6de521aef7e10250c8fd1df6d670db305a6078700110032b83c246e86b0e3b2363e2f

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

Filesize
35KB

MD5
a36d8eb7e827eef145977e7b5ade9d3a

SHA1
23a308a9aa531752a23dc9ef9573e34957a71e0e

SHA256
e567d736fd11ad28cd3fb7edf38b359a4d4904739b68e6b67535a470cf8eed0a

SHA512
d9c35993798ebbb8c7574dd84000f836734daba6c14d27018fdfe1f91fd6de521aef7e10250c8fd1df6d670db305a6078700110032b83c246e86b0e3b2363e2f

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

Filesize
35KB

MD5
a36d8eb7e827eef145977e7b5ade9d3a

SHA1
23a308a9aa531752a23dc9ef9573e34957a71e0e

SHA256
e567d736fd11ad28cd3fb7edf38b359a4d4904739b68e6b67535a470cf8eed0a

SHA512
d9c35993798ebbb8c7574dd84000f836734daba6c14d27018fdfe1f91fd6de521aef7e10250c8fd1df6d670db305a6078700110032b83c246e86b0e3b2363e2f

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

Filesize
35KB

MD5
a36d8eb7e827eef145977e7b5ade9d3a

SHA1
23a308a9aa531752a23dc9ef9573e34957a71e0e

SHA256
e567d736fd11ad28cd3fb7edf38b359a4d4904739b68e6b67535a470cf8eed0a

SHA512
d9c35993798ebbb8c7574dd84000f836734daba6c14d27018fdfe1f91fd6de521aef7e10250c8fd1df6d670db305a6078700110032b83c246e86b0e3b2363e2f

Download Submit
memory/1460-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1460-64-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1460-65-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1460-60-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1460-54-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1460-59-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1460-63-0x0000000075981000-0x0000000075983000-memory.dmp

Filesize
8KB

Download
memory/1460-57-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1460-84-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1460-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1888-83-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1888-85-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1888-88-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

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