redline | c6897ee5e6e0c63e0cf1866460859894664359d397f9d453546adf12c7794818

Analysis

max time kernel
18s
max time network
55s
platform
windows7_x64
resource
win7v20210410
submitted
11-08-2021 12:52

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General

Target

Bird.exe
Size

1.9MB
MD5

2ef0cc6f0f8aa2534e103b829e270e1d
SHA1

c146681a98d585012791c2e9504caacba25becc9
SHA256

822c95f975773e71f49d3ed2c9afa87d6d27d245c7f5a4a9439278e27ee0ae64
SHA512

56efa1b2e849ad5d836034a3f7992edec6e24914a80a8a1a03b29953082a0e898bace35705a76ce6660188c3954370c0c63d105c3c51f03441aadb94d590ee4a

Score

10^/10

redline discovery evasion infostealer spyware stealer themida trojan

Malware Config

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
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

Bird.exe

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

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1860-62-0x0000000000980000-0x0000000000981000-memory.dmp	themida

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

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Bird.exe

description ioc process

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

Processes:

Bird.exe

pid process

1860 Bird.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Bird.exe

pid process

1860 Bird.exe
1860 Bird.exe
1860 Bird.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Bird.exe

description pid process

Token: SeDebugPrivilege 1860 Bird.exe

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

pid	process
1860	Bird.exe

pid	process
1860	Bird.exe
1860	Bird.exe
1860	Bird.exe

description	pid	process
Token: SeDebugPrivilege	1860	Bird.exe

C:\Users\Admin\AppData\Local\Temp\Bird.exe
"C:\Users\Admin\AppData\Local\Temp\Bird.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1860

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1860-60-0x0000000075721000-0x0000000075723000-memory.dmp

Filesize
8KB

Download
memory/1860-62-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/1860-64-0x00000000050A0000-0x00000000050A1000-memory.dmp

Filesize
4KB

Download