redline | e0ae1a565fe7f5951aa98cc3465200e0576932e6bd62f4e562f369016c63dabe

General

Target

b1af9c20593036c476f84527f9144c53.exe
Size

1.4MB
MD5

b1af9c20593036c476f84527f9144c53
SHA1

d72a110adaa72ee1573661b30960f789c8a43e99
SHA256

e0ae1a565fe7f5951aa98cc3465200e0576932e6bd62f4e562f369016c63dabe
SHA512

2164b7d975f1920e01b9959143970d0066c6c52c581f1f3a10627fdfdd32cae3518575aeb25c469305e7c2dcd86499a530a8720be775d1c0f8f8756914268ac7

Score

10^/10

redline 123 discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

C2

5.206.227.236:33067

Extracted

Family

redline

Botnet

123

C2

46.3.199.85:4329

Signatures

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

RedLine Payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3964-135-0x00000000005A0000-0x000000000060C000-memory.dmp	family_redline
C:\Users\Admin\AppData\Roaming\asf3r3.exe	family_redline
C:\Users\Admin\AppData\Roaming\asf3r3.exe	family_redline
behavioral2/memory/396-147-0x0000000000680000-0x00000000006A0000-memory.dmp	family_redline

Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

asf3r3.exee3dwefw.exeoobeldr.exe

pid process

396 asf3r3.exe
1216 e3dwefw.exe
2508 oobeldr.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
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

b1af9c20593036c476f84527f9144c53.exe

description pid process target process

PID 3712 set thread context of 3964 3712 b1af9c20593036c476f84527f9144c53.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
396	asf3r3.exe
1216	e3dwefw.exe
2508	oobeldr.exe

description	pid	process	target process
PID 3712 set thread context of 3964	3712	b1af9c20593036c476f84527f9144c53.exe	RegAsm.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1252 schtasks.exe
2620 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

RegAsm.exeasf3r3.exe

pid process

3964 RegAsm.exe
3964 RegAsm.exe
3964 RegAsm.exe
3964 RegAsm.exe
396 asf3r3.exe
3964 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exeasf3r3.exe

description pid process

Token: SeDebugPrivilege 3964 RegAsm.exe
Token: SeDebugPrivilege 396 asf3r3.exe

pid	process
1252	schtasks.exe
2620	schtasks.exe

pid	process
3964	RegAsm.exe
3964	RegAsm.exe
3964	RegAsm.exe
3964	RegAsm.exe
396	asf3r3.exe
3964	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3964	RegAsm.exe
Token: SeDebugPrivilege	396	asf3r3.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

b1af9c20593036c476f84527f9144c53.exeRegAsm.exee3dwefw.exeoobeldr.exe

description	pid	process	target process
PID 3712 wrote to memory of 3964	3712	b1af9c20593036c476f84527f9144c53.exe	RegAsm.exe
PID 3712 wrote to memory of 3964	3712	b1af9c20593036c476f84527f9144c53.exe	RegAsm.exe
PID 3712 wrote to memory of 3964	3712	b1af9c20593036c476f84527f9144c53.exe	RegAsm.exe
PID 3712 wrote to memory of 3964	3712	b1af9c20593036c476f84527f9144c53.exe	RegAsm.exe
PID 3712 wrote to memory of 3964	3712	b1af9c20593036c476f84527f9144c53.exe	RegAsm.exe
PID 3712 wrote to memory of 3964	3712	b1af9c20593036c476f84527f9144c53.exe	RegAsm.exe
PID 3712 wrote to memory of 3964	3712	b1af9c20593036c476f84527f9144c53.exe	RegAsm.exe
PID 3712 wrote to memory of 3964	3712	b1af9c20593036c476f84527f9144c53.exe	RegAsm.exe
PID 3964 wrote to memory of 396	3964	RegAsm.exe	asf3r3.exe
PID 3964 wrote to memory of 396	3964	RegAsm.exe	asf3r3.exe
PID 3964 wrote to memory of 396	3964	RegAsm.exe	asf3r3.exe
PID 3964 wrote to memory of 1216	3964	RegAsm.exe	e3dwefw.exe
PID 3964 wrote to memory of 1216	3964	RegAsm.exe	e3dwefw.exe
PID 3964 wrote to memory of 1216	3964	RegAsm.exe	e3dwefw.exe
PID 1216 wrote to memory of 1252	1216	e3dwefw.exe	schtasks.exe
PID 1216 wrote to memory of 1252	1216	e3dwefw.exe	schtasks.exe
PID 1216 wrote to memory of 1252	1216	e3dwefw.exe	schtasks.exe
PID 2508 wrote to memory of 2620	2508	oobeldr.exe	schtasks.exe
PID 2508 wrote to memory of 2620	2508	oobeldr.exe	schtasks.exe
PID 2508 wrote to memory of 2620	2508	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b1af9c20593036c476f84527f9144c53.exe
"C:\Users\Admin\AppData\Local\Temp\b1af9c20593036c476f84527f9144c53.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3712

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
#cmd
2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3964

C:\Users\Admin\AppData\Roaming\asf3r3.exe
"C:\Users\Admin\AppData\Roaming\asf3r3.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:396

C:\Users\Admin\AppData\Roaming\e3dwefw.exe
"C:\Users\Admin\AppData\Roaming\e3dwefw.exe"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1216

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
4⤵
- Creates scheduled task(s)
PID:1252

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2508

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
2⤵
- Creates scheduled task(s)
PID:2620

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
MD5
67486b272027c5c08c37d2a7dfa3b019

SHA1
660cd3fa71e480e03b392ccfff95b1a651ec1563

SHA256
cb2f3c7a11ff1993ed3a24d396beeca0f06842b9cd9097351a7c8662250ec677

SHA512
6565af5f8e090285258a0abf4faa1c99790b409f4ed8a4233048614ca470f1d7c4a40f951bd7c2664c567f7788f9e689afb3d72fcff853d888fef5b40051cf61

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
MD5
67486b272027c5c08c37d2a7dfa3b019

SHA1
660cd3fa71e480e03b392ccfff95b1a651ec1563

SHA256
cb2f3c7a11ff1993ed3a24d396beeca0f06842b9cd9097351a7c8662250ec677

SHA512
6565af5f8e090285258a0abf4faa1c99790b409f4ed8a4233048614ca470f1d7c4a40f951bd7c2664c567f7788f9e689afb3d72fcff853d888fef5b40051cf61

Download Submit
C:\Users\Admin\AppData\Roaming\asf3r3.exe
MD5
251a95b3e822ff316dcbeec79f622594

SHA1
214ffd96dbb7df6d8e437d57753131142ab3cfa1

SHA256
0b1dd3984b36ee6b633f22f4f90eebe1b9f32ec6d6c46134a179f69e6bd11ec7

SHA512
f0441fdec6cf50fb8c37a8f5707bba20cde622faa13d9426ffc1f4cd66c0ed428ca5f767aee78f6ffac9d5677d423ddced153b71363f8bcca96c63ca5a13e88f

Download Submit
C:\Users\Admin\AppData\Roaming\asf3r3.exe
MD5
251a95b3e822ff316dcbeec79f622594

SHA1
214ffd96dbb7df6d8e437d57753131142ab3cfa1

SHA256
0b1dd3984b36ee6b633f22f4f90eebe1b9f32ec6d6c46134a179f69e6bd11ec7

SHA512
f0441fdec6cf50fb8c37a8f5707bba20cde622faa13d9426ffc1f4cd66c0ed428ca5f767aee78f6ffac9d5677d423ddced153b71363f8bcca96c63ca5a13e88f

Download Submit
C:\Users\Admin\AppData\Roaming\e3dwefw.exe
MD5
67486b272027c5c08c37d2a7dfa3b019

SHA1
660cd3fa71e480e03b392ccfff95b1a651ec1563

SHA256
cb2f3c7a11ff1993ed3a24d396beeca0f06842b9cd9097351a7c8662250ec677

SHA512
6565af5f8e090285258a0abf4faa1c99790b409f4ed8a4233048614ca470f1d7c4a40f951bd7c2664c567f7788f9e689afb3d72fcff853d888fef5b40051cf61

Download Submit
C:\Users\Admin\AppData\Roaming\e3dwefw.exe
MD5
67486b272027c5c08c37d2a7dfa3b019

SHA1
660cd3fa71e480e03b392ccfff95b1a651ec1563

SHA256
cb2f3c7a11ff1993ed3a24d396beeca0f06842b9cd9097351a7c8662250ec677

SHA512
6565af5f8e090285258a0abf4faa1c99790b409f4ed8a4233048614ca470f1d7c4a40f951bd7c2664c567f7788f9e689afb3d72fcff853d888fef5b40051cf61

Download Submit
memory/396-150-0x0000000004DE0000-0x00000000053E6000-memory.dmp

Filesize
6.0MB

Download
memory/396-147-0x0000000000680000-0x00000000006A0000-memory.dmp

Filesize
128KB

Download
memory/3712-133-0x0000000005690000-0x000000000569A000-memory.dmp

Filesize
40KB

Download
memory/3712-116-0x00000000007B0000-0x000000000091E000-memory.dmp

Filesize
1.4MB

Download
memory/3712-117-0x00000000053E0000-0x00000000053E1000-memory.dmp

Filesize
4KB

Download
memory/3712-118-0x00000000058F0000-0x0000000005DEE000-memory.dmp

Filesize
5.0MB

Download
memory/3712-119-0x0000000005210000-0x00000000052A2000-memory.dmp

Filesize
584KB

Download
memory/3712-123-0x00000000055F0000-0x0000000005666000-memory.dmp

Filesize
472KB

Download
memory/3712-132-0x00000000051C0000-0x00000000051DE000-memory.dmp

Filesize
120KB

Download
memory/3964-141-0x0000000008020000-0x000000000854C000-memory.dmp

Filesize
5.2MB

Download
memory/3964-144-0x0000000008550000-0x000000000859B000-memory.dmp

Filesize
300KB

Download
memory/3964-136-0x0000000005100000-0x0000000005706000-memory.dmp

Filesize
6.0MB

Download
memory/3964-135-0x00000000005A0000-0x000000000060C000-memory.dmp

Filesize
432KB

Download
memory/3964-143-0x0000000007F60000-0x0000000007F9E000-memory.dmp

Filesize
248KB

Download
memory/3964-142-0x0000000004A40000-0x0000000004AA6000-memory.dmp

Filesize
408KB

Download
memory/3964-137-0x0000000004B90000-0x0000000004BA2000-memory.dmp

Filesize
72KB

Download
memory/3964-140-0x0000000004AF0000-0x00000000050F6000-memory.dmp

Filesize
6.0MB

Download
memory/3964-151-0x00000000091B0000-0x0000000009200000-memory.dmp

Filesize
320KB

Download
memory/3964-139-0x0000000005710000-0x00000000058D2000-memory.dmp

Filesize
1.8MB

Download
memory/3964-138-0x0000000004CC0000-0x0000000004DCA000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads