465911da6755870f32c91beacfcf886e816a079f5e639921e89e03a0ba391ff4

General

Target

b577ec3998ec131c95adbfb1ed7e2cb7.exe
Size

1.1MB
MD5

b577ec3998ec131c95adbfb1ed7e2cb7
SHA1

48d0aa8be425df1487b8ec4ff24b89471926fa56
SHA256

465911da6755870f32c91beacfcf886e816a079f5e639921e89e03a0ba391ff4
SHA512

dc724a3e54c736212aa615de89f1195a9139b6c81f7183e65ab9df47562b631d37bcdf865adb855874c2852649eb008615f2b44c789cc9cb53eb6ac1c9b34faa
SSDEEP

12288:r76X3YGXutAOH3kCI+wDA4jD5+r3Ftn32WR1OEk/6qfSd1c525RdhZckB2oGE5zJ:6VCnrPSE46qqdiCIkhDO6/d3gLK64J

Score

9^/10

evasion

Malware Config

Signatures

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral1/memory/3008-3-0x00000000002E0000-0x00000000002F2000-memory.dmp	CustAttr

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	b577ec3998ec131c95adbfb1ed7e2cb7.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	b577ec3998ec131c95adbfb1ed7e2cb7.exe

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	b577ec3998ec131c95adbfb1ed7e2cb7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b577ec3998ec131c95adbfb1ed7e2cb7.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	b577ec3998ec131c95adbfb1ed7e2cb7.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b577ec3998ec131c95adbfb1ed7e2cb7.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe
3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe
3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe
3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe
3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe
3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe
3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe
3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe
3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe
3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2440	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	31
PID 3008 wrote to memory of 2440	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	31
PID 3008 wrote to memory of 2440	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	31
PID 3008 wrote to memory of 2440	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	31
PID 3008 wrote to memory of 2456	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	32
PID 3008 wrote to memory of 2456	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	32
PID 3008 wrote to memory of 2456	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	32
PID 3008 wrote to memory of 2456	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	32
PID 3008 wrote to memory of 2496	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	33
PID 3008 wrote to memory of 2496	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	33
PID 3008 wrote to memory of 2496	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	33
PID 3008 wrote to memory of 2496	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	33
PID 3008 wrote to memory of 2544	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	34
PID 3008 wrote to memory of 2544	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	34
PID 3008 wrote to memory of 2544	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	34
PID 3008 wrote to memory of 2544	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	34
PID 3008 wrote to memory of 2476	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	35
PID 3008 wrote to memory of 2476	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	35
PID 3008 wrote to memory of 2476	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	35
PID 3008 wrote to memory of 2476	3008	b577ec3998ec131c95adbfb1ed7e2cb7.exe	35

C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe
"C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe
  "C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe"
  2⤵
  PID:2440
- C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe
  "C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe"
  2⤵
  PID:2456
- C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe
  "C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe"
  2⤵
  PID:2496
- C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe
  "C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe"
  2⤵
  PID:2544
- C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe
  "C:\Users\Admin\AppData\Local\Temp\b577ec3998ec131c95adbfb1ed7e2cb7.exe"
  2⤵
  PID:2476

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

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3008-0-0x0000000000300000-0x0000000000426000-memory.dmp

Filesize
1.1MB

Download
memory/3008-1-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/3008-2-0x0000000004EE0000-0x0000000004F20000-memory.dmp

Filesize
256KB

Download
memory/3008-3-0x00000000002E0000-0x00000000002F2000-memory.dmp

Filesize
72KB

Download
memory/3008-4-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download
memory/3008-5-0x0000000004EE0000-0x0000000004F20000-memory.dmp

Filesize
256KB

Download
memory/3008-6-0x0000000005120000-0x0000000005182000-memory.dmp

Filesize
392KB

Download
memory/3008-7-0x0000000000620000-0x0000000000646000-memory.dmp

Filesize
152KB

Download
memory/3008-8-0x00000000744E0000-0x0000000074BCE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads