redline | 36022c868a49fc44968f6647239106f536b2cae40340ad69e3772f7be482daf7

General

Target

a61f6f94009c04607f1ba923adcaba0d.exe
Size

796KB
MD5

a61f6f94009c04607f1ba923adcaba0d
SHA1

71b964ba1d7a6ddcebb9fadf29efba3f440c00af
SHA256

36022c868a49fc44968f6647239106f536b2cae40340ad69e3772f7be482daf7
SHA512

0d108e686fa33405b2deb127de0cb4ab60d9960d1af43ea4886496f8249c131da8a5a378b6f61b3d8e09179a295e2a7365b01d2db22d0fd916ce3190904a97dd

Score

10^/10

redline @bestieffcs discovery evasion infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

@bestiefFcs

C2

37.46.128.72:29799

Signatures

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

RedLine Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2220-120-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral2/memory/2220-121-0x0000000000417E3E-mapping.dmp	family_redline

Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
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:

a61f6f94009c04607f1ba923adcaba0d.exe

description pid process target process

PID 3984 set thread context of 2220 3984 a61f6f94009c04607f1ba923adcaba0d.exe a61f6f94009c04607f1ba923adcaba0d.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a61f6f94009c04607f1ba923adcaba0d.exe

pid process

2220 a61f6f94009c04607f1ba923adcaba0d.exe
2220 a61f6f94009c04607f1ba923adcaba0d.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a61f6f94009c04607f1ba923adcaba0d.exe

description pid process

Token: SeDebugPrivilege 2220 a61f6f94009c04607f1ba923adcaba0d.exe

description	pid	process	target process
PID 3984 set thread context of 2220	3984	a61f6f94009c04607f1ba923adcaba0d.exe	a61f6f94009c04607f1ba923adcaba0d.exe

pid	process
2220	a61f6f94009c04607f1ba923adcaba0d.exe
2220	a61f6f94009c04607f1ba923adcaba0d.exe

description	pid	process
Token: SeDebugPrivilege	2220	a61f6f94009c04607f1ba923adcaba0d.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a61f6f94009c04607f1ba923adcaba0d.exe

description	pid	process	target process
PID 3984 wrote to memory of 2220	3984	a61f6f94009c04607f1ba923adcaba0d.exe	a61f6f94009c04607f1ba923adcaba0d.exe
PID 3984 wrote to memory of 2220	3984	a61f6f94009c04607f1ba923adcaba0d.exe	a61f6f94009c04607f1ba923adcaba0d.exe
PID 3984 wrote to memory of 2220	3984	a61f6f94009c04607f1ba923adcaba0d.exe	a61f6f94009c04607f1ba923adcaba0d.exe
PID 3984 wrote to memory of 2220	3984	a61f6f94009c04607f1ba923adcaba0d.exe	a61f6f94009c04607f1ba923adcaba0d.exe
PID 3984 wrote to memory of 2220	3984	a61f6f94009c04607f1ba923adcaba0d.exe	a61f6f94009c04607f1ba923adcaba0d.exe
PID 3984 wrote to memory of 2220	3984	a61f6f94009c04607f1ba923adcaba0d.exe	a61f6f94009c04607f1ba923adcaba0d.exe
PID 3984 wrote to memory of 2220	3984	a61f6f94009c04607f1ba923adcaba0d.exe	a61f6f94009c04607f1ba923adcaba0d.exe
PID 3984 wrote to memory of 2220	3984	a61f6f94009c04607f1ba923adcaba0d.exe	a61f6f94009c04607f1ba923adcaba0d.exe

C:\Users\Admin\AppData\Local\Temp\a61f6f94009c04607f1ba923adcaba0d.exe
"C:\Users\Admin\AppData\Local\Temp\a61f6f94009c04607f1ba923adcaba0d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3984

C:\Users\Admin\AppData\Local\Temp\a61f6f94009c04607f1ba923adcaba0d.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2220

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a61f6f94009c04607f1ba923adcaba0d.exe.log
MD5
eee751e7d08a15f861b3dbf7fe7e76fb

SHA1
b54a0b5c94b8f199e296ff178f47f6501a901bae

SHA256
edd33d14ad8796b7da96d4e0b464596b1740c9a356fa7e19abebe1fc30fdb580

SHA512
743fe2b83df6cbd125d25c5f251f4a5d0d701751f14f66b650e3745dcb0fd14b5e7826fc2de32717afabc36770986ff0f2fcfb4864f968c9b5fa6857b8986113

Download Submit
memory/2220-129-0x0000000005040000-0x0000000005041000-memory.dmp

Filesize
4KB

Download
memory/2220-131-0x0000000004F50000-0x0000000005556000-memory.dmp

Filesize
6.0MB

Download
memory/2220-127-0x0000000005000000-0x0000000005001000-memory.dmp

Filesize
4KB

Download
memory/2220-126-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

Filesize
4KB

Download
memory/2220-120-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2220-121-0x0000000000417E3E-mapping.dmp

Download
memory/2220-134-0x00000000066F0000-0x00000000066F1000-memory.dmp

Filesize
4KB

Download
memory/2220-125-0x0000000005560000-0x0000000005561000-memory.dmp

Filesize
4KB

Download
memory/2220-135-0x0000000006A00000-0x0000000006A01000-memory.dmp

Filesize
4KB

Download
memory/2220-133-0x0000000006C20000-0x0000000006C21000-memory.dmp

Filesize
4KB

Download
memory/2220-132-0x0000000006520000-0x0000000006521000-memory.dmp

Filesize
4KB

Download
memory/2220-130-0x00000000052B0000-0x00000000052B1000-memory.dmp

Filesize
4KB

Download
memory/3984-114-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/3984-117-0x0000000007F50000-0x0000000007F51000-memory.dmp

Filesize
4KB

Download
memory/3984-119-0x0000000007B30000-0x0000000007B31000-memory.dmp

Filesize
4KB

Download
memory/3984-118-0x00000000029B0000-0x00000000029B3000-memory.dmp

Filesize
12KB

Download
memory/3984-116-0x0000000007700000-0x0000000007801000-memory.dmp

Filesize
1.0MB

Download
memory/3984-128-0x0000000004F70000-0x0000000004F71000-memory.dmp

Filesize
4KB

Download

Analysis

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