redline | 06ece311c226daf62863e5791def4efee02dacfeacc6b7635095d0a63b715a99

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2023 12:25

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General

Target

lfjsdk3.exe
Size

1.5MB
MD5

d1964c1b30d01262eccaee06c600d726
SHA1

e213ef1a963cc1825b9183742bb2af555da72efe
SHA256

06ece311c226daf62863e5791def4efee02dacfeacc6b7635095d0a63b715a99
SHA512

02d5f5d71ef785dbc9a2c7bf960d60a19a7eeba3ae8227442c21ba153fc2443e0d1e5ec8319e70a55defcb1057f43d4f41602ba2089a64615dc3aaa8569d47a5
SSDEEP

49152:H2z+hNyiTobT9875vxVZTE90wa1GImyAZ:H2iobT981Ze0wwGIPAZ

Score

10^/10

redline yt evasion infostealer themida trojan

Malware Config

Extracted

Family

redline

Botnet

65.21.5.58:48811

Attributes

auth_value
fb878dde7f3b4ad1e1bc26d24db36d28

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

lfjsdk3.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ lfjsdk3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	lfjsdk3.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:

lfjsdk3.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	lfjsdk3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	lfjsdk3.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/1952-137-0x0000000000410000-0x0000000000910000-memory.dmp	themida
behavioral2/memory/1952-142-0x0000000000410000-0x0000000000910000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

lfjsdk3.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA lfjsdk3.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

lfjsdk3.exe

pid process

1952 lfjsdk3.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

lfjsdk3.exe

description pid process target process

PID 1952 set thread context of 2088 1952 lfjsdk3.exe InstallUtil.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	lfjsdk3.exe

pid	process
1952	lfjsdk3.exe

description	pid	process	target process
PID 1952 set thread context of 2088	1952	lfjsdk3.exe	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

lfjsdk3.exe

description	pid	process	target process
PID 1952 wrote to memory of 2088	1952	lfjsdk3.exe	InstallUtil.exe
PID 1952 wrote to memory of 2088	1952	lfjsdk3.exe	InstallUtil.exe
PID 1952 wrote to memory of 2088	1952	lfjsdk3.exe	InstallUtil.exe
PID 1952 wrote to memory of 2088	1952	lfjsdk3.exe	InstallUtil.exe
PID 1952 wrote to memory of 2088	1952	lfjsdk3.exe	InstallUtil.exe
PID 1952 wrote to memory of 2088	1952	lfjsdk3.exe	InstallUtil.exe
PID 1952 wrote to memory of 2088	1952	lfjsdk3.exe	InstallUtil.exe
PID 1952 wrote to memory of 2088	1952	lfjsdk3.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\lfjsdk3.exe
"C:\Users\Admin\AppData\Local\Temp\lfjsdk3.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 use of WriteProcessMemory
PID:1952

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
PID:2088

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/1952-142-0x0000000000410000-0x0000000000910000-memory.dmp

Filesize
5.0MB

Download
memory/1952-135-0x00007FFA00000000-0x00007FFA00002000-memory.dmp

Filesize
8KB

Download
memory/1952-137-0x0000000000410000-0x0000000000910000-memory.dmp

Filesize
5.0MB

Download
memory/1952-136-0x00007FFA00030000-0x00007FFA00031000-memory.dmp

Filesize
4KB

Download
memory/1952-138-0x0000016E92FF0000-0x0000016E93000000-memory.dmp

Filesize
64KB

Download
memory/1952-134-0x0000000000410000-0x0000000000910000-memory.dmp

Filesize
5.0MB

Download
memory/2088-139-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2088-143-0x0000000005E90000-0x00000000064A8000-memory.dmp

Filesize
6.1MB

Download
memory/2088-144-0x0000000005980000-0x0000000005A8A000-memory.dmp

Filesize
1.0MB

Download
memory/2088-145-0x0000000005870000-0x0000000005882000-memory.dmp

Filesize
72KB

Download
memory/2088-146-0x00000000058D0000-0x000000000590C000-memory.dmp

Filesize
240KB

Download
memory/2088-147-0x0000000005C00000-0x0000000005C10000-memory.dmp

Filesize
64KB

Download
memory/2088-148-0x0000000005C00000-0x0000000005C10000-memory.dmp

Filesize
64KB

Download