a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36

General

Target

a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe
Size

98KB
MD5

0610baab5481811f0c8b1ad66d0a84a5
SHA1

61358455926e33a737a1d187424de93be348faa7
SHA256

a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36
SHA512

9924a514e5d4887751074a76b57bd43f7783316e6661229b5024da03a49e7a138ef36557958d9d1f33697d267ed8612afe6a02e53d01cfff49654e902e7ecbd4
SSDEEP

3072:46V87r/x8BZ/rWLfSo15FteivzoAkQpyTphpne:46er/c6eo1HteMoS4fpne

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1052	BCSSync.exe
2004	BCSSync.exe

Loads dropped DLL 2 IoCs

pid	Process
1832	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe
1832	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe

Unexpected DNS network traffic destination 4 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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1668 set thread context of 1832	1668	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	27
PID 1052 set thread context of 2004	1052	BCSSync.exe	29

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\8k2o44.com	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.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
2004	BCSSync.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 1832	1668	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	27
PID 1668 wrote to memory of 1832	1668	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	27
PID 1668 wrote to memory of 1832	1668	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	27
PID 1668 wrote to memory of 1832	1668	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	27
PID 1668 wrote to memory of 1832	1668	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	27
PID 1668 wrote to memory of 1832	1668	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	27
PID 1668 wrote to memory of 1832	1668	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	27
PID 1668 wrote to memory of 1832	1668	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	27
PID 1668 wrote to memory of 1832	1668	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	27
PID 1832 wrote to memory of 1052	1832	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	28
PID 1832 wrote to memory of 1052	1832	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	28
PID 1832 wrote to memory of 1052	1832	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	28
PID 1832 wrote to memory of 1052	1832	a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe	28
PID 1052 wrote to memory of 2004	1052	BCSSync.exe	29
PID 1052 wrote to memory of 2004	1052	BCSSync.exe	29
PID 1052 wrote to memory of 2004	1052	BCSSync.exe	29
PID 1052 wrote to memory of 2004	1052	BCSSync.exe	29
PID 1052 wrote to memory of 2004	1052	BCSSync.exe	29
PID 1052 wrote to memory of 2004	1052	BCSSync.exe	29
PID 1052 wrote to memory of 2004	1052	BCSSync.exe	29
PID 1052 wrote to memory of 2004	1052	BCSSync.exe	29
PID 1052 wrote to memory of 2004	1052	BCSSync.exe	29
PID 2004 wrote to memory of 808	2004	BCSSync.exe	30
PID 2004 wrote to memory of 808	2004	BCSSync.exe	30
PID 2004 wrote to memory of 808	2004	BCSSync.exe	30
PID 2004 wrote to memory of 808	2004	BCSSync.exe	30

C:\Users\Admin\AppData\Local\Temp\a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe
"C:\Users\Admin\AppData\Local\Temp\a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Local\Temp\a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe
  "C:\Users\Admin\AppData\Local\Temp\a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:1832
- - 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\a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1052
  - - 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\a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2004
    - - 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\a293ed86a0d378819fdc2319a157a5103f176c7edc0d7c12b2138b117bb29b36.exe
        5⤵
        
        PID:808

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
98KB

MD5
e4b22406b589f26e6f66b41986863dcf

SHA1
8547957f08088dffededa494e7f33d11acf75064

SHA256
4a01d076c643988bd4b9db1bf47a933e20ea9c8a5e061e67e9e5f292aa94de97

SHA512
2826ea507474e788813a82b2aa80350cbd4d56987f584d0323ecdc3654daa540047fecdfcd90b52ed8fd47d32d695bd3ae1f09a822ed3eda56393460c491c8b9

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

Filesize
98KB

MD5
e4b22406b589f26e6f66b41986863dcf

SHA1
8547957f08088dffededa494e7f33d11acf75064

SHA256
4a01d076c643988bd4b9db1bf47a933e20ea9c8a5e061e67e9e5f292aa94de97

SHA512
2826ea507474e788813a82b2aa80350cbd4d56987f584d0323ecdc3654daa540047fecdfcd90b52ed8fd47d32d695bd3ae1f09a822ed3eda56393460c491c8b9

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

Filesize
98KB

MD5
e4b22406b589f26e6f66b41986863dcf

SHA1
8547957f08088dffededa494e7f33d11acf75064

SHA256
4a01d076c643988bd4b9db1bf47a933e20ea9c8a5e061e67e9e5f292aa94de97

SHA512
2826ea507474e788813a82b2aa80350cbd4d56987f584d0323ecdc3654daa540047fecdfcd90b52ed8fd47d32d695bd3ae1f09a822ed3eda56393460c491c8b9

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

Filesize
98KB

MD5
e4b22406b589f26e6f66b41986863dcf

SHA1
8547957f08088dffededa494e7f33d11acf75064

SHA256
4a01d076c643988bd4b9db1bf47a933e20ea9c8a5e061e67e9e5f292aa94de97

SHA512
2826ea507474e788813a82b2aa80350cbd4d56987f584d0323ecdc3654daa540047fecdfcd90b52ed8fd47d32d695bd3ae1f09a822ed3eda56393460c491c8b9

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

Filesize
98KB

MD5
e4b22406b589f26e6f66b41986863dcf

SHA1
8547957f08088dffededa494e7f33d11acf75064

SHA256
4a01d076c643988bd4b9db1bf47a933e20ea9c8a5e061e67e9e5f292aa94de97

SHA512
2826ea507474e788813a82b2aa80350cbd4d56987f584d0323ecdc3654daa540047fecdfcd90b52ed8fd47d32d695bd3ae1f09a822ed3eda56393460c491c8b9

Download Submit
memory/1832-60-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1832-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1832-65-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/1832-69-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1832-63-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1832-54-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1832-64-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1832-57-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1832-94-0x0000000073EB1000-0x0000000073EB3000-memory.dmp

Filesize
8KB

Download
memory/1832-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1832-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2004-91-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

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