redline | 5b8ecae5fd44af6428f88915af963e596ad4af121076bcab7956c5125e56306b

General

Target

5daff0720e5dd482ea874b77624bd441.exe
Size

2.5MB
MD5

5daff0720e5dd482ea874b77624bd441
SHA1

66bf798605bb4c12f69538ebd0c99c9198f24e4c
SHA256

5b8ecae5fd44af6428f88915af963e596ad4af121076bcab7956c5125e56306b
SHA512

f4f83fe09ca2f24bc5991a9b0784bfc61ffacb10736838f641bc4e90ff3eed813d6ca7f8351fbf555afa95443409bbfbd7d09da93c80faf2cb2738f9d522009d

Score

10^/10

redline @tag3r1 evasion infostealer spyware themida trojan

Malware Config

Extracted

Family

redline

Botnet

@tag3r1

C2

193.233.193.15:27469

Attributes

auth_value
554b82f47bce5a3808dbca3d25d639e4

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/188568-56-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/188568-61-0x000000000041ADC2-mapping.dmp	family_redline
behavioral1/memory/188568-62-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/188568-63-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

dllhost.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ dllhost.exe
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

dllhost.exe

pid process

188836 dllhost.exe

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

pid	process
188836	dllhost.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:

dllhost.exe

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

Loads dropped DLL 1 IoCs

Processes:

AppLaunch.exe

pid process

188568 AppLaunch.exe

pid	process
188568	AppLaunch.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\dllhost.exe	themida
C:\Users\Admin\AppData\Local\Temp\dllhost.exe	themida
behavioral1/memory/188836-70-0x00000000012C0000-0x00000000018E6000-memory.dmp	themida
behavioral1/memory/188836-73-0x00000000012C0000-0x00000000018E6000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

dllhost.exe

description ioc process

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

Processes:

dllhost.exe

pid process

188836 dllhost.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

5daff0720e5dd482ea874b77624bd441.exe

description pid process target process

PID 2000 set thread context of 188568 2000 5daff0720e5dd482ea874b77624bd441.exe AppLaunch.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

AppLaunch.exedllhost.exe

pid process

188568 AppLaunch.exe
188836 dllhost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AppLaunch.exedllhost.exe

description pid process

Token: SeDebugPrivilege 188568 AppLaunch.exe
Token: SeDebugPrivilege 188836 dllhost.exe

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

pid	process
188836	dllhost.exe

description	pid	process	target process
PID 2000 set thread context of 188568	2000	5daff0720e5dd482ea874b77624bd441.exe	AppLaunch.exe

pid	process
188568	AppLaunch.exe
188836	dllhost.exe

description	pid	process
Token: SeDebugPrivilege	188568	AppLaunch.exe
Token: SeDebugPrivilege	188836	dllhost.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

5daff0720e5dd482ea874b77624bd441.exeAppLaunch.exe

description	pid	process	target process
PID 2000 wrote to memory of 188568	2000	5daff0720e5dd482ea874b77624bd441.exe	AppLaunch.exe
PID 2000 wrote to memory of 188568	2000	5daff0720e5dd482ea874b77624bd441.exe	AppLaunch.exe
PID 2000 wrote to memory of 188568	2000	5daff0720e5dd482ea874b77624bd441.exe	AppLaunch.exe
PID 2000 wrote to memory of 188568	2000	5daff0720e5dd482ea874b77624bd441.exe	AppLaunch.exe
PID 2000 wrote to memory of 188568	2000	5daff0720e5dd482ea874b77624bd441.exe	AppLaunch.exe
PID 2000 wrote to memory of 188568	2000	5daff0720e5dd482ea874b77624bd441.exe	AppLaunch.exe
PID 2000 wrote to memory of 188568	2000	5daff0720e5dd482ea874b77624bd441.exe	AppLaunch.exe
PID 2000 wrote to memory of 188568	2000	5daff0720e5dd482ea874b77624bd441.exe	AppLaunch.exe
PID 2000 wrote to memory of 188568	2000	5daff0720e5dd482ea874b77624bd441.exe	AppLaunch.exe
PID 188568 wrote to memory of 188836	188568	AppLaunch.exe	dllhost.exe
PID 188568 wrote to memory of 188836	188568	AppLaunch.exe	dllhost.exe
PID 188568 wrote to memory of 188836	188568	AppLaunch.exe	dllhost.exe
PID 188568 wrote to memory of 188836	188568	AppLaunch.exe	dllhost.exe
PID 188568 wrote to memory of 188836	188568	AppLaunch.exe	dllhost.exe
PID 188568 wrote to memory of 188836	188568	AppLaunch.exe	dllhost.exe
PID 188568 wrote to memory of 188836	188568	AppLaunch.exe	dllhost.exe

C:\Users\Admin\AppData\Local\Temp\5daff0720e5dd482ea874b77624bd441.exe
"C:\Users\Admin\AppData\Local\Temp\5daff0720e5dd482ea874b77624bd441.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:188568

C:\Users\Admin\AppData\Local\Temp\dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\dllhost.exe"
3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:188836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dllhost.exe
Filesize
3.4MB

MD5
b67da452eabdb5202468322d11b07c01

SHA1
698f6779381714ec3c7d19840da6a679da918e84

SHA256
4ef945fd32cf250232ef9269f349844f652af3b79f9f05d45495c80d507b8324

SHA512
2d4547769f16537ca5e9a9c1beba7ee7047594b1789a25223855a9f86fe1eafdf005d69c57b63f5ff65bbad12052226782e5d558323590057d4eac2f90091205

Download Submit
\Users\Admin\AppData\Local\Temp\dllhost.exe
Filesize
3.4MB

MD5
b67da452eabdb5202468322d11b07c01

SHA1
698f6779381714ec3c7d19840da6a679da918e84

SHA256
4ef945fd32cf250232ef9269f349844f652af3b79f9f05d45495c80d507b8324

SHA512
2d4547769f16537ca5e9a9c1beba7ee7047594b1789a25223855a9f86fe1eafdf005d69c57b63f5ff65bbad12052226782e5d558323590057d4eac2f90091205

Download Submit
memory/188568-62-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/188568-54-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/188568-63-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/188568-64-0x0000000076191000-0x0000000076193000-memory.dmp

Filesize
8KB

Download
memory/188568-61-0x000000000041ADC2-mapping.dmp

Download
memory/188568-56-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/188836-66-0x0000000000000000-mapping.dmp

Download
memory/188836-70-0x00000000012C0000-0x00000000018E6000-memory.dmp

Filesize
6.1MB

Download
memory/188836-71-0x00000000012C0000-0x00000000018E6000-memory.dmp

Filesize
6.1MB

Download
memory/188836-72-0x0000000077240000-0x00000000773C0000-memory.dmp

Filesize
1.5MB

Download
memory/188836-73-0x00000000012C0000-0x00000000018E6000-memory.dmp

Filesize
6.1MB

Download
memory/188836-74-0x0000000077240000-0x00000000773C0000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads