systembc | 29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a

Analysis

max time kernel
105s
max time network
44s
platform
windows7_x64
resource
win7-20220414-en
submitted
27-04-2022 15:58

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General

Target

29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a.exe
Size

267KB
MD5

96b1c3d8279ef00b1b8b1e2c4bc64d77
SHA1

d9cece2958797a7fe2895ef9fe9ebdb80717de73
SHA256

29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a
SHA512

120778338d6507742dfdf3a911f9c7de509bab853cf6c0332cd936c8ec0bb469e5c26fc1dda4768e66d09f6eadcbd98713efea26c49a35c433a5642e27f79127

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

advertrex20.xyz:4044

gentexman37.xyz:4044

Signatures

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

Processes:

pjle.exe

pid process

1756 pjle.exe

pid	process
1756	pjle.exe

Drops file in Windows directory 2 IoCs

Processes:

29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a.exe

description	ioc	process
File created	C:\Windows\Tasks\pjle.job	29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a.exe
File opened for modification	C:\Windows\Tasks\pjle.job	29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a.exe

pid process

1608 29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a.exe

pid	process
1608	29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 1908 wrote to memory of 1756	1908	taskeng.exe	pjle.exe
PID 1908 wrote to memory of 1756	1908	taskeng.exe	pjle.exe
PID 1908 wrote to memory of 1756	1908	taskeng.exe	pjle.exe
PID 1908 wrote to memory of 1756	1908	taskeng.exe	pjle.exe

C:\Users\Admin\AppData\Local\Temp\29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a.exe
"C:\Users\Admin\AppData\Local\Temp\29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1608

C:\Windows\system32\taskeng.exe
taskeng.exe {55F80D73-0244-43BB-A4E8-AE151A0DBA69} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1908

C:\ProgramData\fdxlwju\pjle.exe
C:\ProgramData\fdxlwju\pjle.exe start
2⤵
- Executes dropped EXE
PID:1756

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\fdxlwju\pjle.exe
Filesize
267KB

MD5
96b1c3d8279ef00b1b8b1e2c4bc64d77

SHA1
d9cece2958797a7fe2895ef9fe9ebdb80717de73

SHA256
29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a

SHA512
120778338d6507742dfdf3a911f9c7de509bab853cf6c0332cd936c8ec0bb469e5c26fc1dda4768e66d09f6eadcbd98713efea26c49a35c433a5642e27f79127

Download Submit
C:\ProgramData\fdxlwju\pjle.exe
Filesize
267KB

MD5
96b1c3d8279ef00b1b8b1e2c4bc64d77

SHA1
d9cece2958797a7fe2895ef9fe9ebdb80717de73

SHA256
29419e77b22185d288de119f4a415e5f5aebdd8034ab2fa5afbbca3b6866b20a

SHA512
120778338d6507742dfdf3a911f9c7de509bab853cf6c0332cd936c8ec0bb469e5c26fc1dda4768e66d09f6eadcbd98713efea26c49a35c433a5642e27f79127

Download Submit
memory/1608-54-0x0000000076C01000-0x0000000076C03000-memory.dmp

Filesize
8KB

Download
memory/1608-55-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/1608-56-0x0000000000030000-0x0000000000039000-memory.dmp

Filesize
36KB

Download
memory/1608-57-0x0000000000400000-0x00000000004D3000-memory.dmp

Filesize
844KB

Download
memory/1756-59-0x0000000000000000-mapping.dmp

Download