e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e

Analysis

max time kernel
104s
max time network
111s
platform
windows10_x64
resource
win10v20201028
submitted
11/11/2020, 11:39

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General

Target
e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe
Size 947KB
Sample201111-9vask2wnjs
SHA256 e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e
MD5 1316a068968384cfe539b48183fbb457
SHA1 2b26c1b1a25eb184f74056a67e8b4a7fd2ac8539
SHA512 9d458215db71066076337ff4379df011e13861419e4653204a449c25c6817966285370af868ecafae274fdb821beb67e1b1d6592a162b96835e6904b2a75bea3
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	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.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	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 412 set thread context of 640	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	81

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
1264	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
640	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe
640	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	640	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 412 wrote to memory of 1264	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	79
PID 412 wrote to memory of 1264	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	79
PID 412 wrote to memory of 1264	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	79
PID 412 wrote to memory of 640	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	81
PID 412 wrote to memory of 640	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	81
PID 412 wrote to memory of 640	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	81
PID 412 wrote to memory of 640	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	81
PID 412 wrote to memory of 640	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	81
PID 412 wrote to memory of 640	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	81
PID 412 wrote to memory of 640	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	81
PID 412 wrote to memory of 640	412	e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe	81

C:\Users\Admin\AppData\Local\Temp\e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe
"C:\Users\Admin\AppData\Local\Temp\e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:412
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cRofSelvxJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5489.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1264
- C:\Users\Admin\AppData\Local\Temp\e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\e6df1712da8913c307d5506b1cd848683ca9d21eba6201512bb6f01a87b59b2e.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/412-9-0x00000000077A0000-0x00000000077AB000-memory.dmp

Download

memory/412-12-0x0000000008710000-0x0000000008711000-memory.dmp

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memory/412-5-0x0000000007600000-0x0000000007601000-memory.dmp

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memory/412-6-0x0000000007510000-0x0000000007511000-memory.dmp

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memory/412-7-0x00000000077E0000-0x00000000077E1000-memory.dmp

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memory/412-8-0x0000000008000000-0x0000000008001000-memory.dmp

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memory/412-0-0x0000000073970000-0x000000007405E000-memory.dmp

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memory/412-10-0x00000000085C0000-0x000000000862D000-memory.dmp

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memory/412-11-0x0000000008640000-0x0000000008678000-memory.dmp

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memory/412-4-0x0000000007B00000-0x0000000007B01000-memory.dmp

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memory/412-1-0x0000000000730000-0x0000000000731000-memory.dmp

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memory/412-3-0x0000000007560000-0x0000000007561000-memory.dmp

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memory/640-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/640-18-0x0000000073970000-0x000000007405E000-memory.dmp

Download

memory/640-23-0x0000000005AA0000-0x0000000005AA1000-memory.dmp

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