2f7a2890d38eeb574b1c357854c137c1403dfc0db6410a8e0186339da862c52b

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 01:30

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General

Target

Setup1.exe
Size

1.8MB
MD5

37ca5d4d746ee1d876d3ee7f74ebaf7f
SHA1

95d2306eb2dd46656d3d78249ebaf94328c0e851
SHA256

8be1afc2ca6706a448aaec1f4716c87a24348aec193b387d8d31c49e88519fd6
SHA512

3b760999b0c86a1720340450588f18dd9cf29d332db402728cf640cbc6462cf3f682f291e9f7b1ca8450e122d025cc517f6a948a6a80f169a8645dee5ba27329
SSDEEP

49152:fsEbe76vhwc7JHZjCS96lroKWwBs5dUuCt:fnI6wODHkr5BBsn4

Score

9^/10

discovery evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Setup1.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	Setup1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Setup1.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Wine	Setup1.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2212	Setup1.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Setup1.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Setup1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Setup1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2212	Setup1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2668	2212	Setup1.exe	30
PID 2212 wrote to memory of 2668	2212	Setup1.exe	30
PID 2212 wrote to memory of 2668	2212	Setup1.exe	30
PID 2212 wrote to memory of 2668	2212	Setup1.exe	30
PID 2212 wrote to memory of 2656	2212	Setup1.exe	33
PID 2212 wrote to memory of 2656	2212	Setup1.exe	33
PID 2212 wrote to memory of 2656	2212	Setup1.exe	33
PID 2212 wrote to memory of 2656	2212	Setup1.exe	33

C:\Users\Admin\AppData\Local\Temp\Setup1.exe
"C:\Users\Admin\AppData\Local\Temp\Setup1.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
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\ejjawrtyfn.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2668
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\mapuudectmuc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2212-6-0x0000000000360000-0x00000000007E4000-memory.dmp

Filesize
4.5MB

Download
memory/2212-1-0x0000000076F80000-0x0000000076F82000-memory.dmp

Filesize
8KB

Download
memory/2212-2-0x0000000000361000-0x0000000000385000-memory.dmp

Filesize
144KB

Download
memory/2212-3-0x0000000000360000-0x00000000007E4000-memory.dmp

Filesize
4.5MB

Download
memory/2212-4-0x0000000000360000-0x00000000007E4000-memory.dmp

Filesize
4.5MB

Download
memory/2212-5-0x0000000000360000-0x00000000007E4000-memory.dmp

Filesize
4.5MB

Download
memory/2212-0-0x0000000000360000-0x00000000007E4000-memory.dmp

Filesize
4.5MB

Download
memory/2212-7-0x0000000000360000-0x00000000007E4000-memory.dmp

Filesize
4.5MB

Download
memory/2212-42-0x0000000000360000-0x00000000007E4000-memory.dmp

Filesize
4.5MB

Download
memory/2212-43-0x0000000000361000-0x0000000000385000-memory.dmp

Filesize
144KB

Download
memory/2656-33-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2668-18-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2668-47-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download