redline | ff7db4abfc2600f13a47255db00fd1b450623c41ba30846c57b86b61b4e98c14

General

Target

Solara.exe
Size

310KB
MD5

6955182e32d6996b84f140c7032443df
SHA1

4b0850e389a6f1f51d4c0e9d6c4e9e2b2f92f006
SHA256

ff7db4abfc2600f13a47255db00fd1b450623c41ba30846c57b86b61b4e98c14
SHA512

984171890a252aea437f86a1068de2f3c04a4611ad658d28e7cba57d8bcb5180765c897d25606adcc3217ab722de28be68b5895b0308e892030d2d86bc2394ea
SSDEEP

6144:IWdi58lWsw859s5iANWfUfGr4X3ohglhFexKc6:riClUUaiArfX3oh4x

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 5 IoCs

resource	yara_rule
behavioral1/memory/1468-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline
behavioral1/memory/1468-12-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline
behavioral1/memory/1468-9-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline
behavioral1/memory/1468-7-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline
behavioral1/memory/1468-16-0x0000000000400000-0x0000000000452000-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 632 set thread context of 1468	632	Solara.exe	31

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	Solara.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1468	RegAsm.exe
1468	RegAsm.exe
1468	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1468	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 1468	632	Solara.exe	31
PID 632 wrote to memory of 1468	632	Solara.exe	31
PID 632 wrote to memory of 1468	632	Solara.exe	31
PID 632 wrote to memory of 1468	632	Solara.exe	31
PID 632 wrote to memory of 1468	632	Solara.exe	31
PID 632 wrote to memory of 1468	632	Solara.exe	31
PID 632 wrote to memory of 1468	632	Solara.exe	31
PID 632 wrote to memory of 1468	632	Solara.exe	31
PID 632 wrote to memory of 1468	632	Solara.exe	31
PID 632 wrote to memory of 1468	632	Solara.exe	31
PID 632 wrote to memory of 1468	632	Solara.exe	31
PID 632 wrote to memory of 1468	632	Solara.exe	31

C:\Users\Admin\AppData\Local\Temp\Solara.exe
"C:\Users\Admin\AppData\Local\Temp\Solara.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:632
- 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:1468

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/632-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/632-1-0x0000000000A90000-0x0000000000AE4000-memory.dmp

Filesize
336KB

Download
memory/632-17-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1468-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1468-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1468-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1468-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1468-9-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1468-7-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1468-5-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1468-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

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