redline | 38ff1916bf18ce69b3dc98a2a81160d19023c77e5e83e240798114d249886eb8

General

Target

Ramstam.exe
Size

25KB
MD5

79870a39c043dbc5e6c1959ae1ca61d8
SHA1

aa889650128a5178205c5d74894b0ade97d0cee0
SHA256

38ff1916bf18ce69b3dc98a2a81160d19023c77e5e83e240798114d249886eb8
SHA512

dd2264e9cd18625c7a061604f6469e059f7ee9095d860723aea6f638bd2acf4101b9c3ce7f6bd588dc3cfee66d40b145804c18bd38668b41789bc2769fc4e906

Score

10^/10

redline infostealer

Malware Config

Signatures

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

RedLine Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1660-6-0x0000000000400000-0x0000000000476000-memory.dmp	family_redline
behavioral1/memory/1660-7-0x000000000044802E-mapping.dmp	family_redline
behavioral1/memory/1660-9-0x0000000000400000-0x0000000000476000-memory.dmp	family_redline

Suspicious use of SetThreadContext 1 IoCs

Processes:

Ramstam.exe

description pid process target process

PID 1668 set thread context of 1660 1668 Ramstam.exe AddInProcess32.exe

description	pid	process	target process
PID 1668 set thread context of 1660	1668	Ramstam.exe	AddInProcess32.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

Ramstam.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	Ramstam.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	Ramstam.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

AddInProcess32.exe

pid process

1660 AddInProcess32.exe
1660 AddInProcess32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Ramstam.exeAddInProcess32.exe

description pid process

Token: SeDebugPrivilege 1668 Ramstam.exe
Token: SeDebugPrivilege 1660 AddInProcess32.exe

pid	process
1660	AddInProcess32.exe
1660	AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	1668	Ramstam.exe
Token: SeDebugPrivilege	1660	AddInProcess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Ramstam.exe

description	pid	process	target process
PID 1668 wrote to memory of 1660	1668	Ramstam.exe	AddInProcess32.exe
PID 1668 wrote to memory of 1660	1668	Ramstam.exe	AddInProcess32.exe
PID 1668 wrote to memory of 1660	1668	Ramstam.exe	AddInProcess32.exe
PID 1668 wrote to memory of 1660	1668	Ramstam.exe	AddInProcess32.exe
PID 1668 wrote to memory of 1660	1668	Ramstam.exe	AddInProcess32.exe
PID 1668 wrote to memory of 1660	1668	Ramstam.exe	AddInProcess32.exe
PID 1668 wrote to memory of 1660	1668	Ramstam.exe	AddInProcess32.exe
PID 1668 wrote to memory of 1660	1668	Ramstam.exe	AddInProcess32.exe
PID 1668 wrote to memory of 1660	1668	Ramstam.exe	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\Ramstam.exe
"C:\Users\Admin\AppData\Local\Temp\Ramstam.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1660-6-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1660-7-0x000000000044802E-mapping.dmp

Download
memory/1660-8-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1660-9-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1660-11-0x0000000001060000-0x0000000001061000-memory.dmp

Filesize
4KB

Download
memory/1668-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-3-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download
memory/1668-5-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads