e10e1c5917a2e0499e2b9c3162b7ba47350bcab4dfeea7ac12c7bac35ccc33c5

General

Target

1b4232ce2f732dc6edba1095aeea49ae.exe
Size

3.0MB
MD5

1b4232ce2f732dc6edba1095aeea49ae
SHA1

663067e7504f96e2303bd86e6a6cdbf00aeb4b3e
SHA256

e10e1c5917a2e0499e2b9c3162b7ba47350bcab4dfeea7ac12c7bac35ccc33c5
SHA512

502ff2f03b37099bf45017a3a6f7d083d4ae1b9a070462c6d19a6dda90b0602352610318487f7bd41b03d8a1edd2aa31e115e72f2511944882b3be77d75d62f0
SSDEEP

49152:qcl6aaR2heDhbs7H0STLAKdoeJrOA3jorJj/azWMrTsHwAg1QloFiilF3fFpJ:oRO0yTieXThWMHRNz

Score

9^/10

bootkit discovery evasion persistence upx

Malware Config

Signatures

Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
evasion

Software Discovery
T1518

Enumerates VirtualBox registry keys 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest	1b4232ce2f732dc6edba1095aeea49ae.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1944-1-0x0000000013140000-0x000000001373E000-memory.dmp	upx
behavioral1/memory/1944-5-0x0000000013140000-0x000000001373E000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Q:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\V:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\K:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\M:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\N:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\O:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\R:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\T:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\U:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\X:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\G:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\L:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\W:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\Z:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\P:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\S:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\I:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\J:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\Y:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\E:	1b4232ce2f732dc6edba1095aeea49ae.exe
File opened (read-only)	\??\H:	1b4232ce2f732dc6edba1095aeea49ae.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	1b4232ce2f732dc6edba1095aeea49ae.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2252	1944	WerFault.exe	17

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1944	1b4232ce2f732dc6edba1095aeea49ae.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1792	1944	1b4232ce2f732dc6edba1095aeea49ae.exe	23
PID 1944 wrote to memory of 1792	1944	1b4232ce2f732dc6edba1095aeea49ae.exe	23
PID 1944 wrote to memory of 1792	1944	1b4232ce2f732dc6edba1095aeea49ae.exe	23
PID 1944 wrote to memory of 1792	1944	1b4232ce2f732dc6edba1095aeea49ae.exe	23
PID 1944 wrote to memory of 2252	1944	1b4232ce2f732dc6edba1095aeea49ae.exe	26
PID 1944 wrote to memory of 2252	1944	1b4232ce2f732dc6edba1095aeea49ae.exe	26
PID 1944 wrote to memory of 2252	1944	1b4232ce2f732dc6edba1095aeea49ae.exe	26
PID 1944 wrote to memory of 2252	1944	1b4232ce2f732dc6edba1095aeea49ae.exe	26

C:\Users\Admin\AppData\Local\Temp\1b4232ce2f732dc6edba1095aeea49ae.exe
"C:\Users\Admin\AppData\Local\Temp\1b4232ce2f732dc6edba1095aeea49ae.exe"
1⤵
- Enumerates VirtualBox registry keys
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\del.bat"
  2⤵
  PID:1792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 280
  2⤵
  - Program crash
  PID:2252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

Software Discovery

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\del.bat

Filesize
183B

MD5
9b4eee04f7e7ff3351d154021f862622

SHA1
f34ac0e12f89e59d374974700caf50fff01e72d8

SHA256
1d6927c4c0b9e16201c094f0f5fdc8b6183307d09e2938a8e2435a2cb9c6968e

SHA512
48fd7eaff8d4b7e72b7fbe649c6e5834e18be2e2b38c9bdf4c60fa64d4dc0a8b4bcc066f210a5921f738c5c3b496f7eaca9cfd162d1a11c9def47b9abd524313

Download Submit
memory/1944-0-0x0000000000540000-0x000000000054A000-memory.dmp

Filesize
40KB

Download
memory/1944-1-0x0000000013140000-0x000000001373E000-memory.dmp

Filesize
6.0MB

Download
memory/1944-2-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/1944-5-0x0000000013140000-0x000000001373E000-memory.dmp

Filesize
6.0MB

Download
memory/1944-7-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads