systembc | fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25

General

Target

fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe
Size

203KB
MD5

3b357e5c6891ce1a4ad293a63ac75cdb
SHA1

dc4fc7e3bffa09591dfe75d76d8cdebec9e169f8
SHA256

fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25
SHA512

5780e9966b40756f434b67b8f5b2e46e5de24adc4e728f52783e9b8d29a027b7718748a330144e1353820af4348acdda373fb99ff1d89b7b5bfeccb03a0f8d2b

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

C2

sdadvert197.com:4044

mexstat128.com:4044

Signatures

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

Processes:

jenohde.exe

pid process

2284 jenohde.exe
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

19 api.ipify.org
20 api.ipify.org
Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.

Connection Proxy
T1090

pid	process
2284	jenohde.exe

flow	ioc
19	api.ipify.org
20	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe

description	ioc	process
File opened for modification	C:\Windows\Tasks\jenohde.job	fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe
File created	C:\Windows\Tasks\jenohde.job	fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe

Program crash 8 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
2192	4420	WerFault.exe	fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe
4004	2284	WerFault.exe	jenohde.exe
460	2284	WerFault.exe	jenohde.exe
4976	4420	WerFault.exe	fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe
5092	4420	WerFault.exe	fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe
4484	2284	WerFault.exe	jenohde.exe
1852	2284	WerFault.exe	jenohde.exe
2156	4420	WerFault.exe	fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe

pid	process
4420	fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe
4420	fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe

C:\Users\Admin\AppData\Local\Temp\fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe
"C:\Users\Admin\AppData\Local\Temp\fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 484
2⤵
- Program crash
PID:2192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 932
2⤵
- Program crash
PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 960
2⤵
- Program crash
PID:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 492
2⤵
- Program crash
PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4420 -ip 4420
1⤵
PID:3980

C:\ProgramData\txxduah\jenohde.exe
C:\ProgramData\txxduah\jenohde.exe start
1⤵
- Executes dropped EXE
PID:2284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 236
2⤵
- Program crash
PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 772
2⤵
- Program crash
PID:460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 800
2⤵
- Program crash
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 556
2⤵
- Program crash
PID:1852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2284 -ip 2284
1⤵
PID:1348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2284 -ip 2284
1⤵
PID:260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4420 -ip 4420
1⤵
PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4420 -ip 4420
1⤵
PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2284 -ip 2284
1⤵
PID:4288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 2284 -ip 2284
1⤵
PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4420 -ip 4420
1⤵
PID:3120

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Connection Proxy

1

T1090

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Connection Proxy

1

T1090

Exfiltration

Impact

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Downloads

C:\ProgramData\txxduah\jenohde.exe
Filesize
203KB

MD5
3b357e5c6891ce1a4ad293a63ac75cdb

SHA1
dc4fc7e3bffa09591dfe75d76d8cdebec9e169f8

SHA256
fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25

SHA512
5780e9966b40756f434b67b8f5b2e46e5de24adc4e728f52783e9b8d29a027b7718748a330144e1353820af4348acdda373fb99ff1d89b7b5bfeccb03a0f8d2b

Download Submit
C:\ProgramData\txxduah\jenohde.exe
Filesize
203KB

MD5
3b357e5c6891ce1a4ad293a63ac75cdb

SHA1
dc4fc7e3bffa09591dfe75d76d8cdebec9e169f8

SHA256
fd9cc0f0cbd78ea32d556bea65d91e77099ef712b9f57d7bfd105ff165f27d25

SHA512
5780e9966b40756f434b67b8f5b2e46e5de24adc4e728f52783e9b8d29a027b7718748a330144e1353820af4348acdda373fb99ff1d89b7b5bfeccb03a0f8d2b

Download Submit
memory/2284-135-0x0000000002574000-0x000000000257A000-memory.dmp

Filesize
24KB

Download
memory/2284-136-0x0000000002350000-0x0000000002359000-memory.dmp

Filesize
36KB

Download
memory/2284-137-0x0000000000400000-0x00000000022EF000-memory.dmp

Filesize
30.9MB

Download
memory/4420-130-0x00000000023DB000-0x00000000023E1000-memory.dmp

Filesize
24KB

Download
memory/4420-131-0x0000000002350000-0x0000000002359000-memory.dmp

Filesize
36KB

Download
memory/4420-132-0x0000000000400000-0x00000000022EF000-memory.dmp

Filesize
30.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads