systembc | 7d17668ad7a09802bbf39bd76093ddb9658d74cffaefc3528463b77573802728

max time kernel
171s
max time network
149s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
09-02-2023 08:20

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General

Target

5cacf2b43b8d5578156df066f2181117.exe
Size

217KB
MD5

5cacf2b43b8d5578156df066f2181117
SHA1

7e4e1385713db3e859bdd5ad6b503e7013b37796
SHA256

7d17668ad7a09802bbf39bd76093ddb9658d74cffaefc3528463b77573802728
SHA512

c7a1e2fafc31d2ce366f5130d28835afdb88f9298fede4121c812f2d5222ff8d855f31e11e54b5b44fbc1d376e16103f0a04794baac62618c72f00aaef6a8142
SSDEEP

6144:YkriDRJpv8UfcWtfJOxM3zeKqjrdySHy:YkwRT8ctROxM3z/CrcSHy

Score

10^/10

systembc trojan upx

Malware Config

Extracted

Family

systembc

advertx15.xyz:4044

spacex17.xyz:4044

Signatures

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

Processes:

vpibwo.exe

pid process

1852 vpibwo.exe

pid	process
1852	vpibwo.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/588-55-0x0000000000400000-0x0000000000459000-memory.dmp	upx
behavioral1/memory/588-56-0x0000000000400000-0x0000000000459000-memory.dmp	upx
C:\ProgramData\vkquc\vpibwo.exe	upx
C:\ProgramData\vkquc\vpibwo.exe	upx
behavioral1/memory/1852-63-0x0000000000400000-0x0000000000459000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

Processes:

5cacf2b43b8d5578156df066f2181117.exe

description	ioc	process
File created	C:\Windows\Tasks\vpibwo.job	5cacf2b43b8d5578156df066f2181117.exe
File opened for modification	C:\Windows\Tasks\vpibwo.job	5cacf2b43b8d5578156df066f2181117.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

5cacf2b43b8d5578156df066f2181117.exe

pid process

588 5cacf2b43b8d5578156df066f2181117.exe

pid	process
588	5cacf2b43b8d5578156df066f2181117.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 1480 wrote to memory of 1852	1480	taskeng.exe	vpibwo.exe
PID 1480 wrote to memory of 1852	1480	taskeng.exe	vpibwo.exe
PID 1480 wrote to memory of 1852	1480	taskeng.exe	vpibwo.exe
PID 1480 wrote to memory of 1852	1480	taskeng.exe	vpibwo.exe

C:\Users\Admin\AppData\Local\Temp\5cacf2b43b8d5578156df066f2181117.exe
"C:\Users\Admin\AppData\Local\Temp\5cacf2b43b8d5578156df066f2181117.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:588

C:\Windows\system32\taskeng.exe
taskeng.exe {59AE4BBD-F34A-42F7-8E88-976DAF5CAF41} S-1-5-21-3406023954-474543476-3319432036-1000:VUIIVLGQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1480

C:\ProgramData\vkquc\vpibwo.exe
C:\ProgramData\vkquc\vpibwo.exe start2
2⤵
- Executes dropped EXE
PID:1852

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\vkquc\vpibwo.exe
Filesize
217KB

MD5
5cacf2b43b8d5578156df066f2181117

SHA1
7e4e1385713db3e859bdd5ad6b503e7013b37796

SHA256
7d17668ad7a09802bbf39bd76093ddb9658d74cffaefc3528463b77573802728

SHA512
c7a1e2fafc31d2ce366f5130d28835afdb88f9298fede4121c812f2d5222ff8d855f31e11e54b5b44fbc1d376e16103f0a04794baac62618c72f00aaef6a8142

Download Submit
C:\ProgramData\vkquc\vpibwo.exe
Filesize
217KB

MD5
5cacf2b43b8d5578156df066f2181117

SHA1
7e4e1385713db3e859bdd5ad6b503e7013b37796

SHA256
7d17668ad7a09802bbf39bd76093ddb9658d74cffaefc3528463b77573802728

SHA512
c7a1e2fafc31d2ce366f5130d28835afdb88f9298fede4121c812f2d5222ff8d855f31e11e54b5b44fbc1d376e16103f0a04794baac62618c72f00aaef6a8142

Download Submit
memory/588-67-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/588-55-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/588-56-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/588-57-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/588-58-0x0000000000550000-0x0000000000584000-memory.dmp

Filesize
208KB

Download
memory/588-54-0x0000000075881000-0x0000000075883000-memory.dmp

Filesize
8KB

Download
memory/1852-60-0x0000000000000000-mapping.dmp

Download
memory/1852-64-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1852-65-0x0000000001CE0000-0x0000000001D14000-memory.dmp

Filesize
208KB

Download
memory/1852-66-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1852-63-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download