redline | 4e5b72658b3ee150f255b726931d387e897d1e5db4f40fbd6a3181e1908671af

General

Target

Document.pdf.scr
Size

700.0MB
MD5

42a123d2a8c6b9bf813d4ba30c6f7339
SHA1

020db224e295b652601f34b1b5284f3ad6bdf22f
SHA256

4e5b72658b3ee150f255b726931d387e897d1e5db4f40fbd6a3181e1908671af
SHA512

aec4d9c6c9255ad4764a737bb38f68e525d95d38d634e286100c896683fa1bc5f3b62cdc829b6f990fb2570455a6f1c3a7c81e117499065520c24325700cccaf
SSDEEP

98304:Xm27HCFxPcIIqb9tIKdgEezl6nW1WIxV2UBPB3VsYT:XmHbPcIIqb9u15zl6nW1WA2rYT

Score

10^/10

redline web agilenet infostealer

Malware Config

Extracted

Family

redline

Botnet

web

C2

62.204.41.139:25190

Attributes

auth_value
2b0495835b75f494572b5792f0b7a9e1

Signatures

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

RedLine payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1300-66-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1300-67-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1300-68-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1300-69-0x000000000042223A-mapping.dmp	family_redline
behavioral1/memory/1300-71-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1300-73-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/1220-54-0x0000000000A20000-0x0000000000E6C000-memory.dmp	agile_net

Suspicious use of SetThreadContext 1 IoCs

Processes:

Document.pdf.scr

description pid process target process

PID 1220 set thread context of 1300 1220 Document.pdf.scr InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeDocument.pdf.scr

pid process

112 powershell.exe
1220 Document.pdf.scr
1220 Document.pdf.scr
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeDocument.pdf.scr

description pid process

Token: SeDebugPrivilege 112 powershell.exe
Token: SeDebugPrivilege 1220 Document.pdf.scr

description	pid	process	target process
PID 1220 set thread context of 1300	1220	Document.pdf.scr	InstallUtil.exe

pid	process
112	powershell.exe
1220	Document.pdf.scr
1220	Document.pdf.scr

description	pid	process
Token: SeDebugPrivilege	112	powershell.exe
Token: SeDebugPrivilege	1220	Document.pdf.scr

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Document.pdf.scr

description	pid	process	target process
PID 1220 wrote to memory of 112	1220	Document.pdf.scr	powershell.exe
PID 1220 wrote to memory of 112	1220	Document.pdf.scr	powershell.exe
PID 1220 wrote to memory of 112	1220	Document.pdf.scr	powershell.exe
PID 1220 wrote to memory of 112	1220	Document.pdf.scr	powershell.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe
PID 1220 wrote to memory of 1300	1220	Document.pdf.scr	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Document.pdf.scr
"C:\Users\Admin\AppData\Local\Temp\Document.pdf.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:112

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:1300

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/112-58-0x0000000000000000-mapping.dmp

Download
memory/112-60-0x000000006EFE0000-0x000000006F58B000-memory.dmp

Filesize
5.7MB

Download
memory/112-61-0x000000006EFE0000-0x000000006F58B000-memory.dmp

Filesize
5.7MB

Download
memory/112-62-0x000000006EFE0000-0x000000006F58B000-memory.dmp

Filesize
5.7MB

Download
memory/1220-54-0x0000000000A20000-0x0000000000E6C000-memory.dmp

Filesize
4.3MB

Download
memory/1220-55-0x0000000002340000-0x00000000023F8000-memory.dmp

Filesize
736KB

Download
memory/1220-56-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download
memory/1220-57-0x0000000002270000-0x0000000002302000-memory.dmp

Filesize
584KB

Download
memory/1300-63-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1300-64-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1300-66-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1300-67-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1300-68-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1300-69-0x000000000042223A-mapping.dmp

Download
memory/1300-71-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1300-73-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads