raccoon | 4d18cd22365f3f3d714fca4a674014fc7a68d6029da4c53a94fe950189f9c956

Analysis

max time kernel
111s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2022 13:32

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General

Target

Setup.exe
Size

428.0MB
MD5

9d2b9885fdb0885ac11bd944c86c4655
SHA1

eeeebef1fd514f1b697158c990ba94b9c752374c
SHA256

ef70efe0a3cd860831657fa7ee8d832d49c8d8489df4b35d2480cc043bbb1b04
SHA512

6ca0fe74cec6b22e9d9da927614cfed8440d153f8852fc938b7f156b95c29ddca7b652557635ebb6aa7197ad37c0a09d475deedddc44316ddac929cdac7b4813
SSDEEP

98304:b8vH233wZUFkCNauJm+UPp7WMZwa/jOTN:bowwP+UxaMZxbOT

Score

10^/10

raccoon b4f472421ce1f18efd9f610339c3dae1 evasion stealer themida trojan

Malware Config

Extracted

Family

raccoon

Botnet

b4f472421ce1f18efd9f610339c3dae1

http://77.73.134.30/

rc4.plain

Signatures

Raccoon
Raccoon is an infostealer written in C++ and first seen in 2019.
stealer raccoon
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Setup.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Setup.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Setup.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

Processes:

Setup.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Setup.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/4984-133-0x00000000006E0000-0x0000000001092000-memory.dmp	themida
behavioral2/memory/4984-140-0x00000000006E0000-0x0000000001092000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Setup.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Setup.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Setup.exe

pid process

4984 Setup.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Setup.exe

description pid process target process

PID 4984 set thread context of 1400 4984 Setup.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Setup.exe

pid process

4984 Setup.exe
4984 Setup.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Setup.exe

description pid process

Token: SeDebugPrivilege 4984 Setup.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Setup.exe

pid	process
4984	Setup.exe

description	pid	process	target process
PID 4984 set thread context of 1400	4984	Setup.exe	InstallUtil.exe

pid	process
4984	Setup.exe
4984	Setup.exe

description	pid	process
Token: SeDebugPrivilege	4984	Setup.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Setup.exe

description	pid	process	target process
PID 4984 wrote to memory of 1672	4984	Setup.exe	InstallUtil.exe
PID 4984 wrote to memory of 1672	4984	Setup.exe	InstallUtil.exe
PID 4984 wrote to memory of 1672	4984	Setup.exe	InstallUtil.exe
PID 4984 wrote to memory of 1400	4984	Setup.exe	InstallUtil.exe
PID 4984 wrote to memory of 1400	4984	Setup.exe	InstallUtil.exe
PID 4984 wrote to memory of 1400	4984	Setup.exe	InstallUtil.exe
PID 4984 wrote to memory of 1400	4984	Setup.exe	InstallUtil.exe
PID 4984 wrote to memory of 1400	4984	Setup.exe	InstallUtil.exe
PID 4984 wrote to memory of 1400	4984	Setup.exe	InstallUtil.exe
PID 4984 wrote to memory of 1400	4984	Setup.exe	InstallUtil.exe
PID 4984 wrote to memory of 1400	4984	Setup.exe	InstallUtil.exe
PID 4984 wrote to memory of 1400	4984	Setup.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4984

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
PID:1672

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
PID:1400

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1400-137-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1400-138-0x00000000004088B5-mapping.dmp

Download
memory/1400-142-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1400-144-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4984-133-0x00000000006E0000-0x0000000001092000-memory.dmp

Filesize
9.7MB

Download
memory/4984-134-0x00000000006E0000-0x0000000001092000-memory.dmp

Filesize
9.7MB

Download
memory/4984-135-0x00007FFF9A390000-0x00007FFF9A585000-memory.dmp

Filesize
2.0MB

Download
memory/4984-136-0x00007FFF7B720000-0x00007FFF7C1E1000-memory.dmp

Filesize
10.8MB

Download
memory/4984-140-0x00000000006E0000-0x0000000001092000-memory.dmp

Filesize
9.7MB

Download
memory/4984-141-0x00007FFF9A390000-0x00007FFF9A585000-memory.dmp

Filesize
2.0MB

Download
memory/4984-143-0x00007FFF7B720000-0x00007FFF7C1E1000-memory.dmp

Filesize
10.8MB

Download