redline | 83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4

General

Target

83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe
Size

315KB
MD5

f74808a0cb7b3ce6a8ff12875f93d5dc
SHA1

8c4104605e2c55218b0422b6589ea825cebe4b62
SHA256

83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4
SHA512

6f06898ad7fb1a1e3d779e0831683707e3dc3bc2e2622681758f72540f3568a0271eee641d2d9f9b1b2d9fffe459bda36b24359d775c45075e5d91054f2a8dc3
SSDEEP

6144:C89pI60nbM8uPZy3+8KID/MuO/S8JvFbxGQnM6XwQTCyvl2XaXHS:t9+60nbnuEMzLJvFbk6gQ2c2X0HS

Score

10^/10

redline 7001210066 discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

7001210066

C2

https://pastebin.com/raw/KE5Mft0T

Signatures

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral2/memory/4108-1-0x0000000000400000-0x0000000000422000-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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
1	pastebin.com
2	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3164 set thread context of 4108	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	83

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4108	RegAsm.exe
4108	RegAsm.exe
4108	RegAsm.exe
4108	RegAsm.exe
4108	RegAsm.exe
4108	RegAsm.exe
4108	RegAsm.exe
4108	RegAsm.exe
4108	RegAsm.exe
4108	RegAsm.exe
4108	RegAsm.exe
4108	RegAsm.exe
4108	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4108	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 2004	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	82
PID 3164 wrote to memory of 2004	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	82
PID 3164 wrote to memory of 2004	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	82
PID 3164 wrote to memory of 4108	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	83
PID 3164 wrote to memory of 4108	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	83
PID 3164 wrote to memory of 4108	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	83
PID 3164 wrote to memory of 4108	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	83
PID 3164 wrote to memory of 4108	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	83
PID 3164 wrote to memory of 4108	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	83
PID 3164 wrote to memory of 4108	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	83
PID 3164 wrote to memory of 4108	3164	83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe	83

C:\Users\Admin\AppData\Local\Temp\83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe
"C:\Users\Admin\AppData\Local\Temp\83d9f77c09f624b493653c9f77230a052d1d729212c2ee73a630d9d59cb96ac4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3164
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2004
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4108

Network

DNS

pastebin.com

RegAsm.exe

Remote address:

8.8.8.8:53

Request

pastebin.com

IN A

Response

pastebin.com

IN A

104.20.3.235

pastebin.com

IN A

172.67.19.24

pastebin.com

IN A

104.20.4.235
DNS

aifiller.sbs

RegAsm.exe

Remote address:

8.8.8.8:53

Request

aifiller.sbs

IN A

Response

aifiller.sbs

IN A

116.203.6.63
DNS

8.8.8.8.in-addr.arpa

RegAsm.exe

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

63.6.203.116.in-addr.arpa

RegAsm.exe

Remote address:

8.8.8.8:53

Request

63.6.203.116.in-addr.arpa

IN PTR

Response

63.6.203.116.in-addr.arpa

IN PTR

static636203116clientsyour-serverde
DNS

43.229.111.52.in-addr.arpa

RegAsm.exe

Remote address:

8.8.8.8:53

Request

43.229.111.52.in-addr.arpa

IN PTR

Response
DNS

235.3.20.104.in-addr.arpa

Remote address:

8.8.8.8:53

Request

235.3.20.104.in-addr.arpa

IN PTR

Response
DNS

nexusrules.officeapps.live.com

Remote address:

8.8.8.8:53

Request

nexusrules.officeapps.live.com

IN A

Response

nexusrules.officeapps.live.com

IN CNAME

prod.nexusrules.live.com.akadns.net

prod.nexusrules.live.com.akadns.net

IN A

52.111.229.43
DNS

self.events.data.microsoft.com

Remote address:

8.8.8.8:53

Request

self.events.data.microsoft.com

IN A

Response

self.events.data.microsoft.com

IN CNAME

self-events-data.trafficmanager.net

self-events-data.trafficmanager.net

IN CNAME

onedscolprdcus03.centralus.cloudapp.azure.com

onedscolprdcus03.centralus.cloudapp.azure.com

IN A

13.89.178.27

104.20.3.235:443

pastebin.com

tls

RegAsm.exe

805 B
6.0kB
8
8
116.203.6.63:443

aifiller.sbs

https

RegAsm.exe

2.0MB
38.5kB
1493
735

8.8.8.8:53

pastebin.com

dns

RegAsm.exe

325 B
555 B
5
5

DNS Request

pastebin.com

DNS Response

104.20.3.235

172.67.19.24

104.20.4.235

DNS Request

aifiller.sbs

DNS Response

116.203.6.63

DNS Request

8.8.8.8.in-addr.arpa

DNS Request

63.6.203.116.in-addr.arpa

DNS Request

43.229.111.52.in-addr.arpa
8.8.8.8:53

235.3.20.104.in-addr.arpa

dns

223 B
471 B
3
3

DNS Request

235.3.20.104.in-addr.arpa

DNS Request

nexusrules.officeapps.live.com

DNS Response

52.111.229.43

DNS Request

self.events.data.microsoft.com

DNS Response

13.89.178.27

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3164-0-0x0000000002980000-0x0000000002981000-memory.dmp

Filesize
4KB

Download
memory/4108-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4108-2-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/4108-3-0x0000000004F00000-0x0000000004F66000-memory.dmp

Filesize
408KB

Download
memory/4108-4-0x0000000005A30000-0x0000000006048000-memory.dmp

Filesize
6.1MB

Download
memory/4108-5-0x0000000005480000-0x0000000005492000-memory.dmp

Filesize
72KB

Download
memory/4108-6-0x00000000055B0000-0x00000000056BA000-memory.dmp

Filesize
1.0MB

Download
memory/4108-7-0x0000000074DB0000-0x0000000075561000-memory.dmp

Filesize
7.7MB

Download
memory/4108-8-0x0000000006290000-0x00000000062CC000-memory.dmp

Filesize
240KB

Download
memory/4108-9-0x00000000062D0000-0x000000000631C000-memory.dmp

Filesize
304KB

Download
memory/4108-10-0x00000000065F0000-0x00000000067B2000-memory.dmp

Filesize
1.8MB

Download
memory/4108-11-0x0000000006CF0000-0x000000000721C000-memory.dmp

Filesize
5.2MB

Download
memory/4108-12-0x00000000067C0000-0x0000000006852000-memory.dmp

Filesize
584KB

Download
memory/4108-13-0x00000000077D0000-0x0000000007D76000-memory.dmp

Filesize
5.6MB

Download
memory/4108-14-0x00000000068E0000-0x0000000006956000-memory.dmp

Filesize
472KB

Download
memory/4108-15-0x00000000068B0000-0x00000000068CE000-memory.dmp

Filesize
120KB

Download
memory/4108-16-0x0000000006C90000-0x0000000006CE0000-memory.dmp

Filesize
320KB

Download
memory/4108-18-0x0000000074DB0000-0x0000000075561000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Response

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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Downloads

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