redline | f71062ef3a53ec22a3d87cd2d85cecf96b57d7f4f1ef7bbe5e63f7927443f94a

General

Target

Sun03f0dc4460bc9.exe
Size

389KB
MD5

5926205df9aec95421688c034191d5d3
SHA1

6b81f52f132c84bd81e8a932760c15766db104eb
SHA256

f71062ef3a53ec22a3d87cd2d85cecf96b57d7f4f1ef7bbe5e63f7927443f94a
SHA512

da704935b6a621b028eac2c860b7b9fa911d92fe6f51227c5c8e90a85dbbbeccfc6d1c49eef1cc171d5c1cda04d2466226d731ef3213e7a8f780dbe361f20921

Score

10^/10

redline srtupdate33 discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

srtupdate33

C2

135.181.129.119:4805

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
behavioral2/memory/424-124-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral2/memory/424-125-0x0000000000418D3E-mapping.dmp	family_redline
behavioral2/memory/424-133-0x0000000005150000-0x0000000005756000-memory.dmp	family_redline

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:

Sun03f0dc4460bc9.exe

description pid process target process

PID 2796 set thread context of 424 2796 Sun03f0dc4460bc9.exe Sun03f0dc4460bc9.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Sun03f0dc4460bc9.exe

pid process

424 Sun03f0dc4460bc9.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Sun03f0dc4460bc9.exe

description pid process

Token: SeDebugPrivilege 424 Sun03f0dc4460bc9.exe

description	pid	process	target process
PID 2796 set thread context of 424	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe

pid	process
424	Sun03f0dc4460bc9.exe

description	pid	process
Token: SeDebugPrivilege	424	Sun03f0dc4460bc9.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Sun03f0dc4460bc9.exe

description	pid	process	target process
PID 2796 wrote to memory of 640	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 640	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 640	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 528	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 528	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 528	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 424	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 424	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 424	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 424	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 424	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 424	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 424	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe
PID 2796 wrote to memory of 424	2796	Sun03f0dc4460bc9.exe	Sun03f0dc4460bc9.exe

C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe
"C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2796

C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe
C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe
2⤵
PID:640

C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe
C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe
2⤵
PID:528

C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe
C:\Users\Admin\AppData\Local\Temp\Sun03f0dc4460bc9.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:424

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Sun03f0dc4460bc9.exe.log
MD5
41fbed686f5700fc29aaccf83e8ba7fd

SHA1
5271bc29538f11e42a3b600c8dc727186e912456

SHA256
df4e9d012687cdabd15e86bf37be15d6c822e1f50dde530a02468f0006586437

SHA512
234b2235c1ced25810a4121c5eabcbf9f269e82c126a1adc363ee34478173f8b462e90eb53f5f11533641663350b90ec1e2360fd805b10c041fab12f4da7a034

Download Submit
memory/424-133-0x0000000005150000-0x0000000005756000-memory.dmp

Filesize
6.0MB

Download
memory/424-136-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/424-131-0x0000000005280000-0x0000000005281000-memory.dmp

Filesize
4KB

Download
memory/424-132-0x00000000051B0000-0x00000000051B1000-memory.dmp

Filesize
4KB

Download
memory/424-124-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/424-125-0x0000000000418D3E-mapping.dmp

Download
memory/424-130-0x0000000005150000-0x0000000005151000-memory.dmp

Filesize
4KB

Download
memory/424-129-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/424-142-0x0000000006EB0000-0x0000000006EB1000-memory.dmp

Filesize
4KB

Download
memory/424-141-0x00000000076A0000-0x00000000076A1000-memory.dmp

Filesize
4KB

Download
memory/424-140-0x0000000006BE0000-0x0000000006BE1000-memory.dmp

Filesize
4KB

Download
memory/424-139-0x0000000005DE0000-0x0000000005DE1000-memory.dmp

Filesize
4KB

Download
memory/424-134-0x0000000005230000-0x0000000005231000-memory.dmp

Filesize
4KB

Download
memory/2796-121-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

Download
memory/2796-118-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2796-123-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download
memory/2796-122-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

Filesize
4KB

Download
memory/2796-120-0x0000000004B00000-0x0000000004B01000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing