redline | 4ece875dbe10d89c3d1607e04761ed621a00eaa2a42ec6296f9074355abf2264

General

Target

920c83427ee1c2fbca5ba133cd0a81e0N.exe
Size

312KB
MD5

920c83427ee1c2fbca5ba133cd0a81e0
SHA1

a80c9af32fde695b69d796480aa745a5980ff21b
SHA256

4ece875dbe10d89c3d1607e04761ed621a00eaa2a42ec6296f9074355abf2264
SHA512

b3b1346884c35bbbd1a05328cca13bdc1611ee202c51d279518c7107faa6ffb67396c4615b77d68cb7a769fd6ca16496cef87c5e3b167416f015e37df07c8548
SSDEEP

6144:GMfvtBFDroOhihDABtLQZu+Uu4+t9ku4jHDdwhnpTa7bL2S/cNVHJS0B0iiARo:GwBFDzMhFs/+yjHR89az2fNVHJP+it

Score

10^/10

redline @exelzt credential_access discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

@exelzt

C2

185.215.113.22:80

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/4604-4-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 4604	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	920c83427ee1c2fbca5ba133cd0a81e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064\Blob = 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	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4604	RegAsm.exe
4604	RegAsm.exe
4604	RegAsm.exe
4604	RegAsm.exe
4604	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4604	RegAsm.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 2800	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	84
PID 628 wrote to memory of 2800	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	84
PID 628 wrote to memory of 2800	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	84
PID 628 wrote to memory of 4616	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	85
PID 628 wrote to memory of 4616	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	85
PID 628 wrote to memory of 4616	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	85
PID 628 wrote to memory of 4604	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	86
PID 628 wrote to memory of 4604	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	86
PID 628 wrote to memory of 4604	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	86
PID 628 wrote to memory of 4604	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	86
PID 628 wrote to memory of 4604	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	86
PID 628 wrote to memory of 4604	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	86
PID 628 wrote to memory of 4604	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	86
PID 628 wrote to memory of 4604	628	920c83427ee1c2fbca5ba133cd0a81e0N.exe	86

C:\Users\Admin\AppData\Local\Temp\920c83427ee1c2fbca5ba133cd0a81e0N.exe
"C:\Users\Admin\AppData\Local\Temp\920c83427ee1c2fbca5ba133cd0a81e0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:628
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2800
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4616
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Tmp948F.tmp

Filesize
2KB

MD5
1420d30f964eac2c85b2ccfe968eebce

SHA1
bdf9a6876578a3e38079c4f8cf5d6c79687ad750

SHA256
f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

SHA512
6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

Download Submit
memory/628-1-0x0000000000340000-0x0000000000394000-memory.dmp

Filesize
336KB

Download
memory/628-44-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/628-7-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/628-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/4604-33-0x00000000070D0000-0x00000000076E8000-memory.dmp

Filesize
6.1MB

Download
memory/4604-35-0x0000000006FA0000-0x0000000006FB2000-memory.dmp

Filesize
72KB

Download
memory/4604-11-0x00000000053A0000-0x00000000053AA000-memory.dmp

Filesize
40KB

Download
memory/4604-12-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4604-9-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4604-29-0x0000000006050000-0x00000000060C6000-memory.dmp

Filesize
472KB

Download
memory/4604-30-0x0000000006740000-0x000000000675E000-memory.dmp

Filesize
120KB

Download
memory/4604-8-0x00000000056E0000-0x0000000005C84000-memory.dmp

Filesize
5.6MB

Download
memory/4604-34-0x0000000008950000-0x0000000008A5A000-memory.dmp

Filesize
1.0MB

Download
memory/4604-10-0x0000000005210000-0x00000000052A2000-memory.dmp

Filesize
584KB

Download
memory/4604-36-0x0000000007040000-0x000000000707C000-memory.dmp

Filesize
240KB

Download
memory/4604-37-0x0000000007080000-0x00000000070CC000-memory.dmp

Filesize
304KB

Download
memory/4604-40-0x0000000006DA0000-0x0000000006E06000-memory.dmp

Filesize
408KB

Download
memory/4604-41-0x0000000009510000-0x0000000009560000-memory.dmp

Filesize
320KB

Download
memory/4604-42-0x000000000A8D0000-0x000000000AA92000-memory.dmp

Filesize
1.8MB

Download
memory/4604-43-0x000000000AFD0000-0x000000000B4FC000-memory.dmp

Filesize
5.2MB

Download
memory/4604-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4604-45-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4604-47-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download

Analysis

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