e758d7eed6c58b468d4e83295c69a68c013b42e6442e8791797777110f01fa02

General

Target
9483eb20d4aa20201433502717bd92f1.exe
Size 1.5MB
Sample201117-cbbsphyqej
SHA256 e758d7eed6c58b468d4e83295c69a68c013b42e6442e8791797777110f01fa02
MD5 86968a99b408500e97d14df09bdae3b7
SHA1 3e9293419adf86106c010963b5a29e500f1b308d
SHA512 9b455e800a211b9fd5a24e92ce37249636a5a454cf7ba7238a672d0f63ac2e50efad3279425aa7e2e61ec38e29c8cc74da82a52a6269ceeb4f390b968cafac1e
MD5 SHA1 SHA512

Score

9^/10

evasion

Malware Config

Signatures

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 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	9483eb20d4aa20201433502717bd92f1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9483eb20d4aa20201433502717bd92f1.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	9483eb20d4aa20201433502717bd92f1.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	9483eb20d4aa20201433502717bd92f1.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1660	9483eb20d4aa20201433502717bd92f1.exe
1660	9483eb20d4aa20201433502717bd92f1.exe
1660	9483eb20d4aa20201433502717bd92f1.exe
1660	9483eb20d4aa20201433502717bd92f1.exe
1660	9483eb20d4aa20201433502717bd92f1.exe
1660	9483eb20d4aa20201433502717bd92f1.exe
1660	9483eb20d4aa20201433502717bd92f1.exe
1660	9483eb20d4aa20201433502717bd92f1.exe
1660	9483eb20d4aa20201433502717bd92f1.exe
1660	9483eb20d4aa20201433502717bd92f1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	9483eb20d4aa20201433502717bd92f1.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 1504	1660	9483eb20d4aa20201433502717bd92f1.exe	30
PID 1660 wrote to memory of 1504	1660	9483eb20d4aa20201433502717bd92f1.exe	30
PID 1660 wrote to memory of 1504	1660	9483eb20d4aa20201433502717bd92f1.exe	30
PID 1660 wrote to memory of 1504	1660	9483eb20d4aa20201433502717bd92f1.exe	30
PID 1660 wrote to memory of 572	1660	9483eb20d4aa20201433502717bd92f1.exe	32
PID 1660 wrote to memory of 572	1660	9483eb20d4aa20201433502717bd92f1.exe	32
PID 1660 wrote to memory of 572	1660	9483eb20d4aa20201433502717bd92f1.exe	32
PID 1660 wrote to memory of 572	1660	9483eb20d4aa20201433502717bd92f1.exe	32
PID 1660 wrote to memory of 272	1660	9483eb20d4aa20201433502717bd92f1.exe	33
PID 1660 wrote to memory of 272	1660	9483eb20d4aa20201433502717bd92f1.exe	33
PID 1660 wrote to memory of 272	1660	9483eb20d4aa20201433502717bd92f1.exe	33
PID 1660 wrote to memory of 272	1660	9483eb20d4aa20201433502717bd92f1.exe	33
PID 1660 wrote to memory of 1076	1660	9483eb20d4aa20201433502717bd92f1.exe	34
PID 1660 wrote to memory of 1076	1660	9483eb20d4aa20201433502717bd92f1.exe	34
PID 1660 wrote to memory of 1076	1660	9483eb20d4aa20201433502717bd92f1.exe	34
PID 1660 wrote to memory of 1076	1660	9483eb20d4aa20201433502717bd92f1.exe	34
PID 1660 wrote to memory of 1104	1660	9483eb20d4aa20201433502717bd92f1.exe	35
PID 1660 wrote to memory of 1104	1660	9483eb20d4aa20201433502717bd92f1.exe	35
PID 1660 wrote to memory of 1104	1660	9483eb20d4aa20201433502717bd92f1.exe	35
PID 1660 wrote to memory of 1104	1660	9483eb20d4aa20201433502717bd92f1.exe	35
PID 1660 wrote to memory of 1092	1660	9483eb20d4aa20201433502717bd92f1.exe	36
PID 1660 wrote to memory of 1092	1660	9483eb20d4aa20201433502717bd92f1.exe	36
PID 1660 wrote to memory of 1092	1660	9483eb20d4aa20201433502717bd92f1.exe	36
PID 1660 wrote to memory of 1092	1660	9483eb20d4aa20201433502717bd92f1.exe	36

C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe
"C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oGXypSigrocz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp34C6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1504
- C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe
  "C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe"
  2⤵
  PID:572
- C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe
  "C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe"
  2⤵
  PID:272
- C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe
  "C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe"
  2⤵
  PID:1076
- C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe
  "C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe"
  2⤵
  PID:1104
- C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe
  "C:\Users\Admin\AppData\Local\Temp\9483eb20d4aa20201433502717bd92f1.exe"
  2⤵
  PID:1092