systembc | dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d

General

Target

reloadrive.exe
Size

1.6MB
MD5

8c767708c9a9554c0afb504629e75ffd
SHA1

c65394806c0f77af880c7ff8a021bd4222ca3f11
SHA256

dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d
SHA512

f9531159b45f92db319f351ebf4dadf9ba3c413e87da401a0af81d25a446084ed30dee670462292b989e1c9b0074a3c2ae76bb8a1d992e4407f72360303b4e16
SSDEEP

49152:R1aqCQ3KKia9icS8P80nPIIXQocVHmir6QmEGmNyRzs3Xn:R1aA37ia9iJ800QIXQocVHoEGV0

Score

10^/10

systembc defense_evasion discovery trojan

Malware Config

Extracted

Family

systembc

C2

towerbingobongoboom.com

62.60.226.86

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Systembc family
systembc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	reloadrive.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	omlmo.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	reloadrive.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	reloadrive.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	omlmo.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	omlmo.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	omlmo.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	reloadrive.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	omlmo.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2412	reloadrive.exe
2736	omlmo.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Test Task17.job	reloadrive.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omlmo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reloadrive.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2412	reloadrive.exe
2736	omlmo.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2736	2860	taskeng.exe	31
PID 2860 wrote to memory of 2736	2860	taskeng.exe	31
PID 2860 wrote to memory of 2736	2860	taskeng.exe	31
PID 2860 wrote to memory of 2736	2860	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\reloadrive.exe
"C:\Users\Admin\AppData\Local\Temp\reloadrive.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2412

C:\Windows\system32\taskeng.exe
taskeng.exe {E09CA456-7B57-4529-AF6D-D4D5C1EEFC53} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2860
- C:\ProgramData\ufnudqr\omlmo.exe
  C:\ProgramData\ufnudqr\omlmo.exe
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\ufnudqr\omlmo.exe

Filesize
1.6MB

MD5
8c767708c9a9554c0afb504629e75ffd

SHA1
c65394806c0f77af880c7ff8a021bd4222ca3f11

SHA256
dcb373f73cc5e29881b6c97f753da1db91becee01b5eade03b0fd217d10b4e7d

SHA512
f9531159b45f92db319f351ebf4dadf9ba3c413e87da401a0af81d25a446084ed30dee670462292b989e1c9b0074a3c2ae76bb8a1d992e4407f72360303b4e16

Download Submit
C:\Windows\Tasks\Test Task17.job

Filesize
220B

MD5
3dfa961adf53d5c79dd6cefcba0d217d

SHA1
8b9035f3a2fecf61bc3170e3f86148f318aff4d1

SHA256
bf7dd25e281c75360f705948a5ea869bc4d8f6ca3081e4adb2fc6605b5dda5e6

SHA512
58e9d7795e1f1d0e829112bb414651040dc9d226b25abbff96f3067e5ade924aceb291a6910e3b4dff52249d2a1ed194665d22f3fbc15e836497473525875aba

Download Submit
memory/2412-21-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2412-4-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2412-6-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2412-7-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2412-8-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2412-9-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2412-29-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2412-2-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/2412-27-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2412-25-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2412-23-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2412-1-0x0000000076F30000-0x0000000076F32000-memory.dmp

Filesize
8KB

Download
memory/2412-0-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2412-18-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-22-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-12-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-19-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-17-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-16-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-24-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-15-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-26-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-13-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-20-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-30-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-31-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-32-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-33-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-34-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-35-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-36-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-37-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-38-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2736-39-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads