redline | 0d828c5af228839b87308f801d19ce5ea0ffc333eee641390c089207f16a96bf

General

Target

53c599ee6324db60c4b394722d950d3a.exe
Size

594KB
MD5

53c599ee6324db60c4b394722d950d3a
SHA1

7a5d027376db62faecbe44d866a908f3915fc4f1
SHA256

0d828c5af228839b87308f801d19ce5ea0ffc333eee641390c089207f16a96bf
SHA512

b0c24a3a70d3bfa22164e711fe2357f0f7241f46502e2cfc660d7e2b2a76a4ad571f0044c44a1a547fe08b3432575e3eab286ec14cd699f3cac9ef5f1d7f8f9f

Score

10^/10

redline infostealer upx

Malware Config

Signatures

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

RedLine Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1092-12-0x0000000004E70000-0x0000000004E94000-memory.dmp	family_redline
behavioral1/memory/1092-13-0x0000000006980000-0x00000000069A2000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

pid	Process
1092	bestof.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000300000001310d-5.dat	upx
behavioral1/files/0x000300000001310d-7.dat	upx

Loads dropped DLL 1 IoCs

pid	Process
1640	53c599ee6324db60c4b394722d950d3a.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
11	ip-api.com

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	53c599ee6324db60c4b394722d950d3a.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	53c599ee6324db60c4b394722d950d3a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1092	bestof.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1092	1640	53c599ee6324db60c4b394722d950d3a.exe	30
PID 1640 wrote to memory of 1092	1640	53c599ee6324db60c4b394722d950d3a.exe	30
PID 1640 wrote to memory of 1092	1640	53c599ee6324db60c4b394722d950d3a.exe	30
PID 1640 wrote to memory of 1092	1640	53c599ee6324db60c4b394722d950d3a.exe	30

C:\Users\Admin\AppData\Local\Temp\53c599ee6324db60c4b394722d950d3a.exe
"C:\Users\Admin\AppData\Local\Temp\53c599ee6324db60c4b394722d950d3a.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe
  bestof.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1092

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

1

T1102

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1092-8-0x0000000004F1A000-0x0000000004F1B000-memory.dmp

Filesize
4KB

Download
memory/1092-9-0x0000000005000000-0x0000000005011000-memory.dmp

Filesize
68KB

Download
memory/1092-10-0x0000000006A40000-0x0000000006A51000-memory.dmp

Filesize
68KB

Download
memory/1092-11-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/1092-12-0x0000000004E70000-0x0000000004E94000-memory.dmp

Filesize
144KB

Download
memory/1092-13-0x0000000006980000-0x00000000069A2000-memory.dmp

Filesize
136KB

Download
memory/1576-4-0x000007FEF7B10000-0x000007FEF7D8A000-memory.dmp

Filesize
2.5MB

Download
memory/1640-3-0x0000000005080000-0x0000000005091000-memory.dmp

Filesize
68KB

Download

Analysis

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