systembc | e3df896880b51267bbbafeecf87a4c3b1c97a6a5dba9136f8731eac864424f13

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 07:02

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General

Target

0e5be3896c55c18c7a309bb9373defbf.exe
Size

231KB
MD5

0e5be3896c55c18c7a309bb9373defbf
SHA1

dfaa36c3bdb7450be131c522e84f22f2da7ee6b1
SHA256

e3df896880b51267bbbafeecf87a4c3b1c97a6a5dba9136f8731eac864424f13
SHA512

1c0df34bdb37a67a9c0b6867f62ba439236e9ac8f8b242049f71fb7f959a1de99d8d0ae5b7b7e5dabab30062bc6dc6eccb5eb95ddbec07e43a374d5db8a44e14
SSDEEP

3072:FcXNVVuNrkCwcPc6xC1pG5rQxO1/57LUYXu+6Doe0KwY:ecNrtwmE1Cz1iskn0c

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

45.182.189.231:443

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Executes dropped EXE 1 IoCs

Processes:

shkra.exe

pid process

2024 shkra.exe

pid	process
2024	shkra.exe

Drops file in Windows directory 2 IoCs

Processes:

0e5be3896c55c18c7a309bb9373defbf.exe

description	ioc	process
File created	C:\Windows\Tasks\shkra.job	0e5be3896c55c18c7a309bb9373defbf.exe
File opened for modification	C:\Windows\Tasks\shkra.job	0e5be3896c55c18c7a309bb9373defbf.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

0e5be3896c55c18c7a309bb9373defbf.exe

pid process

1352 0e5be3896c55c18c7a309bb9373defbf.exe

pid	process
1352	0e5be3896c55c18c7a309bb9373defbf.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 1684 wrote to memory of 2024	1684	taskeng.exe	shkra.exe
PID 1684 wrote to memory of 2024	1684	taskeng.exe	shkra.exe
PID 1684 wrote to memory of 2024	1684	taskeng.exe	shkra.exe
PID 1684 wrote to memory of 2024	1684	taskeng.exe	shkra.exe

C:\Users\Admin\AppData\Local\Temp\0e5be3896c55c18c7a309bb9373defbf.exe
"C:\Users\Admin\AppData\Local\Temp\0e5be3896c55c18c7a309bb9373defbf.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1352

C:\Windows\system32\taskeng.exe
taskeng.exe {0CCD9567-6469-45F8-9FEC-4FF8E3C0E452} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1684

C:\ProgramData\umhovb\shkra.exe
C:\ProgramData\umhovb\shkra.exe start
2⤵
- Executes dropped EXE
PID:2024

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\umhovb\shkra.exe
Filesize
231KB

MD5
0e5be3896c55c18c7a309bb9373defbf

SHA1
dfaa36c3bdb7450be131c522e84f22f2da7ee6b1

SHA256
e3df896880b51267bbbafeecf87a4c3b1c97a6a5dba9136f8731eac864424f13

SHA512
1c0df34bdb37a67a9c0b6867f62ba439236e9ac8f8b242049f71fb7f959a1de99d8d0ae5b7b7e5dabab30062bc6dc6eccb5eb95ddbec07e43a374d5db8a44e14

Download Submit
C:\ProgramData\umhovb\shkra.exe
Filesize
231KB

MD5
0e5be3896c55c18c7a309bb9373defbf

SHA1
dfaa36c3bdb7450be131c522e84f22f2da7ee6b1

SHA256
e3df896880b51267bbbafeecf87a4c3b1c97a6a5dba9136f8731eac864424f13

SHA512
1c0df34bdb37a67a9c0b6867f62ba439236e9ac8f8b242049f71fb7f959a1de99d8d0ae5b7b7e5dabab30062bc6dc6eccb5eb95ddbec07e43a374d5db8a44e14

Download Submit
memory/1352-55-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1352-56-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1352-57-0x00000000003A0000-0x00000000003A9000-memory.dmp

Filesize
36KB

Download
memory/1352-58-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1352-63-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2024-60-0x0000000000000000-mapping.dmp

Download
memory/2024-65-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2024-66-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2024-67-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download