systembc | 1962f91125c15839d9e18b7273f1831cae8a191c574577210dda1a424e9e7628

Analysis

max time kernel
113s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
28-09-2022 16:02

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General

Target

57eb1430903457db36a36023304f8a38.exe
Size

197KB
MD5

57eb1430903457db36a36023304f8a38
SHA1

831f481eebdf994a1cfacca5a9f53e1f6f93e0fd
SHA256

1962f91125c15839d9e18b7273f1831cae8a191c574577210dda1a424e9e7628
SHA512

a33af94ab2083e6beb5631ce4ff8c5340b4bf10e7a15727aef6817ec4dfd7c6771f90abc8bca397319d571cc8c165c7182528bab2e962f168530b7a496da683e
SSDEEP

3072:L6oyUN8LiJ4Ut3Fec85snm3HlR0zMgilHB9tEOzOGI8pJ/CB9XB/PkF4x:LXoLilt3FeKm1RgMrlHB92O+8pu

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

109.107.187.226:4001

Signatures

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

Processes:

lkera.exelkera.exe

pid process

568 lkera.exe
1056 lkera.exe

pid	process
568	lkera.exe
1056	lkera.exe

Drops file in Windows directory 2 IoCs

Processes:

57eb1430903457db36a36023304f8a38.exe

description	ioc	process
File created	C:\Windows\Tasks\lkera.job	57eb1430903457db36a36023304f8a38.exe
File opened for modification	C:\Windows\Tasks\lkera.job	57eb1430903457db36a36023304f8a38.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

57eb1430903457db36a36023304f8a38.exe

pid process

1448 57eb1430903457db36a36023304f8a38.exe

pid	process
1448	57eb1430903457db36a36023304f8a38.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 820 wrote to memory of 568	820	taskeng.exe	lkera.exe
PID 820 wrote to memory of 568	820	taskeng.exe	lkera.exe
PID 820 wrote to memory of 568	820	taskeng.exe	lkera.exe
PID 820 wrote to memory of 568	820	taskeng.exe	lkera.exe
PID 820 wrote to memory of 1056	820	taskeng.exe	lkera.exe
PID 820 wrote to memory of 1056	820	taskeng.exe	lkera.exe
PID 820 wrote to memory of 1056	820	taskeng.exe	lkera.exe
PID 820 wrote to memory of 1056	820	taskeng.exe	lkera.exe

C:\Users\Admin\AppData\Local\Temp\57eb1430903457db36a36023304f8a38.exe
"C:\Users\Admin\AppData\Local\Temp\57eb1430903457db36a36023304f8a38.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1448

C:\Windows\system32\taskeng.exe
taskeng.exe {EBB2E118-A404-418C-83F0-979BCDFA14DF} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:820

C:\ProgramData\ipvqwea\lkera.exe
C:\ProgramData\ipvqwea\lkera.exe start2
2⤵
- Executes dropped EXE
PID:568

C:\ProgramData\ipvqwea\lkera.exe
C:\ProgramData\ipvqwea\lkera.exe start2
2⤵
- Executes dropped EXE
PID:1056

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\ipvqwea\lkera.exe
Filesize
197KB

MD5
57eb1430903457db36a36023304f8a38

SHA1
831f481eebdf994a1cfacca5a9f53e1f6f93e0fd

SHA256
1962f91125c15839d9e18b7273f1831cae8a191c574577210dda1a424e9e7628

SHA512
a33af94ab2083e6beb5631ce4ff8c5340b4bf10e7a15727aef6817ec4dfd7c6771f90abc8bca397319d571cc8c165c7182528bab2e962f168530b7a496da683e

Download Submit
C:\ProgramData\ipvqwea\lkera.exe
Filesize
197KB

MD5
57eb1430903457db36a36023304f8a38

SHA1
831f481eebdf994a1cfacca5a9f53e1f6f93e0fd

SHA256
1962f91125c15839d9e18b7273f1831cae8a191c574577210dda1a424e9e7628

SHA512
a33af94ab2083e6beb5631ce4ff8c5340b4bf10e7a15727aef6817ec4dfd7c6771f90abc8bca397319d571cc8c165c7182528bab2e962f168530b7a496da683e

Download Submit
C:\ProgramData\ipvqwea\lkera.exe
Filesize
197KB

MD5
57eb1430903457db36a36023304f8a38

SHA1
831f481eebdf994a1cfacca5a9f53e1f6f93e0fd

SHA256
1962f91125c15839d9e18b7273f1831cae8a191c574577210dda1a424e9e7628

SHA512
a33af94ab2083e6beb5631ce4ff8c5340b4bf10e7a15727aef6817ec4dfd7c6771f90abc8bca397319d571cc8c165c7182528bab2e962f168530b7a496da683e

Download Submit
memory/568-63-0x0000000000400000-0x000000000058B000-memory.dmp

Filesize
1.5MB

Download
memory/568-59-0x0000000000000000-mapping.dmp

Download
memory/568-62-0x000000000065B000-0x000000000066C000-memory.dmp

Filesize
68KB

Download
memory/568-66-0x000000000065B000-0x000000000066C000-memory.dmp

Filesize
68KB

Download
memory/1056-67-0x0000000000000000-mapping.dmp

Download
memory/1056-70-0x00000000002CB000-0x00000000002DC000-memory.dmp

Filesize
68KB

Download
memory/1056-71-0x0000000000400000-0x000000000058B000-memory.dmp

Filesize
1.5MB

Download
memory/1448-57-0x0000000000400000-0x000000000058B000-memory.dmp

Filesize
1.5MB

Download
memory/1448-55-0x000000000026B000-0x000000000027C000-memory.dmp

Filesize
68KB

Download
memory/1448-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/1448-64-0x000000000026B000-0x000000000027C000-memory.dmp

Filesize
68KB

Download
memory/1448-65-0x000000000026B000-0x000000000027C000-memory.dmp

Filesize
68KB

Download
memory/1448-56-0x00000000001B0000-0x00000000001B5000-memory.dmp

Filesize
20KB

Download