redline | 403b1c1beea21cf4f778efd7ad30faf14ecefcd192e99912c9676401c7695a9e

General

Target

devexec/Bootstrapper 1.07.exe
Size

310KB
MD5

66e2659120cbf66a1d60e63e76c941d6
SHA1

d38f3933adb3e70a4f4878fd9388d1f6941981dc
SHA256

816b9928538d75d5eabc68327879e3e205bfe820495a20fa06696865282be378
SHA512

734271b93cbac615b2b8811c2848bbb5b8818414292e5f8261c45ee54dd3f1310002441193e76c83b686ca16be09cc1b0a3d948533ac1b6a23568cfe5018c8c2
SSDEEP

6144:T6hThwAw9HYOzx6BsO/HxISYVFOFM5gdrOpCubFQEXYYSjxSHZbk:T+tmHYuO/RxYy650OpCaF8YSlSHZbk

Score

10^/10

redline discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

C2

185.196.9.26:6302

Signatures

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral4/memory/2520-3-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2436 set thread context of 2520	2436	Bootstrapper 1.07.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 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	Bootstrapper 1.07.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2520	RegAsm.exe
2520	RegAsm.exe
2520	RegAsm.exe
2520	RegAsm.exe
2520	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2744	2436	Bootstrapper 1.07.exe	83
PID 2436 wrote to memory of 2744	2436	Bootstrapper 1.07.exe	83
PID 2436 wrote to memory of 2744	2436	Bootstrapper 1.07.exe	83
PID 2436 wrote to memory of 2520	2436	Bootstrapper 1.07.exe	84
PID 2436 wrote to memory of 2520	2436	Bootstrapper 1.07.exe	84
PID 2436 wrote to memory of 2520	2436	Bootstrapper 1.07.exe	84
PID 2436 wrote to memory of 2520	2436	Bootstrapper 1.07.exe	84
PID 2436 wrote to memory of 2520	2436	Bootstrapper 1.07.exe	84
PID 2436 wrote to memory of 2520	2436	Bootstrapper 1.07.exe	84
PID 2436 wrote to memory of 2520	2436	Bootstrapper 1.07.exe	84
PID 2436 wrote to memory of 2520	2436	Bootstrapper 1.07.exe	84

C:\Users\Admin\AppData\Local\Temp\devexec\Bootstrapper 1.07.exe
"C:\Users\Admin\AppData\Local\Temp\devexec\Bootstrapper 1.07.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2436-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2436-1-0x0000000000CB0000-0x0000000000D04000-memory.dmp

Filesize
336KB

Download
memory/2436-19-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/2436-5-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/2520-12-0x0000000005930000-0x0000000005A3A000-memory.dmp

Filesize
1.0MB

Download
memory/2520-15-0x00000000058E0000-0x000000000592C000-memory.dmp

Filesize
304KB

Download
memory/2520-8-0x00000000055A0000-0x0000000005632000-memory.dmp

Filesize
584KB

Download
memory/2520-9-0x0000000005650000-0x000000000565A000-memory.dmp

Filesize
40KB

Download
memory/2520-10-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/2520-11-0x0000000006720000-0x0000000006D38000-memory.dmp

Filesize
6.1MB

Download
memory/2520-6-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/2520-13-0x0000000005840000-0x0000000005852000-memory.dmp

Filesize
72KB

Download
memory/2520-14-0x00000000058A0000-0x00000000058DC000-memory.dmp

Filesize
240KB

Download
memory/2520-7-0x0000000005B50000-0x00000000060F4000-memory.dmp

Filesize
5.6MB

Download
memory/2520-16-0x0000000006170000-0x00000000061D6000-memory.dmp

Filesize
408KB

Download
memory/2520-17-0x0000000007090000-0x00000000070E0000-memory.dmp

Filesize
320KB

Download
memory/2520-18-0x00000000073B0000-0x0000000007572000-memory.dmp

Filesize
1.8MB

Download
memory/2520-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2520-20-0x0000000007AB0000-0x0000000007FDC000-memory.dmp

Filesize
5.2MB

Download
memory/2520-21-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/2520-23-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download

Analysis

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