systembc | f7330d13166125485e745bcbe75e8c2af7423be00c70a0765610ca86d3b01eb1

General

Target

b8e091ab0a94f3be56bbc2b66ccd653a.exe
Size

886KB
MD5

b8e091ab0a94f3be56bbc2b66ccd653a
SHA1

e62f75fcd271409e1c9eda1c60c0178247bbd3f7
SHA256

f7330d13166125485e745bcbe75e8c2af7423be00c70a0765610ca86d3b01eb1
SHA512

41a96833e498fa1fb8ab16e0e6bcd2df03d896f8460e0af6609ab757b91dd69f4394b8c676ed973a6f00545bd2c71c5a794ef9fb0bbf1f62942bddbb29db41e6

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

C2

88.198.147.80:4174

78.47.64.46:4174

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

ifrgw.exeifrgw.exe

pid process

2604 ifrgw.exe
1676 ifrgw.exe

pid	process
2604	ifrgw.exe
1676	ifrgw.exe

Drops file in Windows directory 5 IoCs

Processes:

ifrgw.exeb8e091ab0a94f3be56bbc2b66ccd653a.exeb8e091ab0a94f3be56bbc2b66ccd653a.exe

description	ioc	process
File created	C:\Windows\Tasks\wow64.job	ifrgw.exe
File opened for modification	C:\Windows\Tasks\wow64.job	ifrgw.exe
File created	C:\Windows\Tasks\wow64.job	b8e091ab0a94f3be56bbc2b66ccd653a.exe
File opened for modification	C:\Windows\Tasks\wow64.job	b8e091ab0a94f3be56bbc2b66ccd653a.exe
File created	C:\Windows\Tasks\mfqeroqpskmouwbrjld.job	b8e091ab0a94f3be56bbc2b66ccd653a.exe

C:\Users\Admin\AppData\Local\Temp\b8e091ab0a94f3be56bbc2b66ccd653a.exe
"C:\Users\Admin\AppData\Local\Temp\b8e091ab0a94f3be56bbc2b66ccd653a.exe"
1⤵
- Drops file in Windows directory
PID:852

C:\Users\Admin\AppData\Local\Temp\b8e091ab0a94f3be56bbc2b66ccd653a.exe
C:\Users\Admin\AppData\Local\Temp\b8e091ab0a94f3be56bbc2b66ccd653a.exe start
1⤵
- Drops file in Windows directory
PID:2856

C:\Windows\TEMP\ifrgw.exe
C:\Windows\TEMP\ifrgw.exe
1⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:2604

C:\Windows\TEMP\ifrgw.exe
C:\Windows\TEMP\ifrgw.exe start
1⤵
- Executes dropped EXE
PID:1676

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\TEMP\ifrgw.exe
MD5
5fc8b735442c0761d95300c3ab2cd3f1

SHA1
0c68b66cd251825596f6a9dbcd9cd664401012c8

SHA256
36373b5af4c8b64bff18ae7d2079da5b3cfb6371def687327d9487adb0de345d

SHA512
a49c999e918a1a68ef64bb4ea3d57c4be1a3e1a35ebb4fb603291dc78b45a408202bd40d95b0adb382ae82fffb30d5ce7ffec11db4b108199d62c77d3b6fe797

Download Submit
C:\Windows\Tasks\wow64.job
MD5
39b57984ee59f5fbc189360391fcd9d3

SHA1
1b6a2753b40e0495ceaf1ea440fdef7dec08a002

SHA256
7736095139c69dd0af0ddc575ada9c2ebad41261739dc30c0d38b2d567bbf131

SHA512
281003197f22bb1fea8afb6f0c2b4b55cd45db371de311151b72d5a5a9590dc6acfa269d98618f3fe942c1426528faa4ace3a167289298d67dbb0c17be73cb56

Download Submit
C:\Windows\Temp\ifrgw.exe
MD5
5fc8b735442c0761d95300c3ab2cd3f1

SHA1
0c68b66cd251825596f6a9dbcd9cd664401012c8

SHA256
36373b5af4c8b64bff18ae7d2079da5b3cfb6371def687327d9487adb0de345d

SHA512
a49c999e918a1a68ef64bb4ea3d57c4be1a3e1a35ebb4fb603291dc78b45a408202bd40d95b0adb382ae82fffb30d5ce7ffec11db4b108199d62c77d3b6fe797

Download Submit
C:\Windows\Temp\ifrgw.exe
MD5
5fc8b735442c0761d95300c3ab2cd3f1

SHA1
0c68b66cd251825596f6a9dbcd9cd664401012c8

SHA256
36373b5af4c8b64bff18ae7d2079da5b3cfb6371def687327d9487adb0de345d

SHA512
a49c999e918a1a68ef64bb4ea3d57c4be1a3e1a35ebb4fb603291dc78b45a408202bd40d95b0adb382ae82fffb30d5ce7ffec11db4b108199d62c77d3b6fe797

Download Submit
memory/852-114-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/852-115-0x0000000002370000-0x0000000002375000-memory.dmp

Filesize
20KB

Download
memory/852-116-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/1676-128-0x00000000001D0000-0x00000000001F3000-memory.dmp

Filesize
140KB

Download
memory/1676-126-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/2604-124-0x00000000001D0000-0x00000000001F3000-memory.dmp

Filesize
140KB

Download
memory/2604-127-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/2856-119-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/2856-117-0x00000000001D0000-0x00000000001F3000-memory.dmp

Filesize
140KB

Download

Analysis

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