redline | 5a4308d45dc245870376ece2209450e5ca46872e632c81c3c61178f139ef223d

General

Target

file.exe
Size

1.1MB
MD5

ec23d4868753f523df127f531451dcbd
SHA1

8a172e091d057a8db1e3e1999d48060967b99f36
SHA256

5a4308d45dc245870376ece2209450e5ca46872e632c81c3c61178f139ef223d
SHA512

2e7b63f43a49514d9c98f4ef1964d4ad2b2eef5d88500098246a31d6391f68715bd2a216a662836815615fe4cc2410fe32eacfdd0d7b3cf16f58c816a0c651fb
SSDEEP

24576:gtZEVdQRVaNvxIA65KTVpSTS0tZCQmGD8aLfySdfZnPsRcTb1Mgk2Uet8Pl4NJF:+ZAdweveA6KTeTS0HJmEJag13k2Uy8dO

Score

10^/10

redline @oleh_psp credential_access discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

@OLEH_PSP

C2

65.21.18.51:45580

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
behavioral2/files/0x000800000002349f-14.dat	family_redline
behavioral2/memory/924-23-0x0000000000210000-0x0000000000262000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	file.exe

Executes dropped EXE 2 IoCs

pid	Process
4468	qIy7Nc5aOq.exe
924	N4DCCZdjA6.exe

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
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 3 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N4DCCZdjA6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qIy7Nc5aOq.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064\Blob = 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	N4DCCZdjA6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064	N4DCCZdjA6.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4468	qIy7Nc5aOq.exe
924	N4DCCZdjA6.exe
924	N4DCCZdjA6.exe
924	N4DCCZdjA6.exe
924	N4DCCZdjA6.exe
924	N4DCCZdjA6.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4468	qIy7Nc5aOq.exe
Token: SeBackupPrivilege	4468	qIy7Nc5aOq.exe
Token: SeSecurityPrivilege	4468	qIy7Nc5aOq.exe
Token: SeSecurityPrivilege	4468	qIy7Nc5aOq.exe
Token: SeSecurityPrivilege	4468	qIy7Nc5aOq.exe
Token: SeSecurityPrivilege	4468	qIy7Nc5aOq.exe
Token: SeDebugPrivilege	924	N4DCCZdjA6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 4468	3128	file.exe	86
PID 3128 wrote to memory of 4468	3128	file.exe	86
PID 3128 wrote to memory of 4468	3128	file.exe	86
PID 3128 wrote to memory of 924	3128	file.exe	88
PID 3128 wrote to memory of 924	3128	file.exe	88
PID 3128 wrote to memory of 924	3128	file.exe	88

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3128
- C:\Users\Admin\AppData\Roaming\qIy7Nc5aOq.exe
  "C:\Users\Admin\AppData\Roaming\qIy7Nc5aOq.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4468
- C:\Users\Admin\AppData\Roaming\N4DCCZdjA6.exe
  "C:\Users\Admin\AppData\Roaming\N4DCCZdjA6.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:924

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

2

T1012

System Information Discovery

2

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\Tmp8D9A.tmp

Filesize
2KB

MD5
1420d30f964eac2c85b2ccfe968eebce

SHA1
bdf9a6876578a3e38079c4f8cf5d6c79687ad750

SHA256
f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

SHA512
6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

Download Submit
C:\Users\Admin\AppData\Roaming\N4DCCZdjA6.exe

Filesize
304KB

MD5
7e39ccb9926a01051635f3c2675ff01d

SHA1
00518801574c9a475b86847db9ff2635ffe4b08b

SHA256
4a5d76a51f341950e5588b373dc03cfc6a107a2799f5e8778d6994f5c15a52fc

SHA512
6c768ba63793dcec3a64f96a8e4cdf12ab4f165e4e343b33eeeed6c6473a52cca86f9275ac8689eafaaf58e6daa2ea1b8c87ebefa80152c04475c57f182dbf1d

Download Submit
C:\Users\Admin\AppData\Roaming\qIy7Nc5aOq.exe

Filesize
622KB

MD5
4c82ed5f54457b13b25a60c6a0544a9c

SHA1
e6e8ff2456ee580fa8d62bb13c679859bf3e0856

SHA256
39867afa37975fadeb1a58a7e427c8f2a5c9e0d81bdaf23ce6e51c05a91087e6

SHA512
474db526dc64e6558df217442a85fe1614489c9c2f917619eb5f6b62ed37a8ca5079aab147b0bcb63193b3995889702f3eec2eeb0b6dff1103fe5f2b00d42cb9

Download Submit
memory/924-61-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

Filesize
4KB

Download
memory/924-30-0x0000000073E90000-0x0000000074640000-memory.dmp

Filesize
7.7MB

Download
memory/924-67-0x0000000073E90000-0x0000000074640000-memory.dmp

Filesize
7.7MB

Download
memory/924-65-0x0000000006790000-0x00000000067E0000-memory.dmp

Filesize
320KB

Download
memory/924-23-0x0000000000210000-0x0000000000262000-memory.dmp

Filesize
328KB

Download
memory/924-54-0x00000000062E0000-0x000000000631C000-memory.dmp

Filesize
240KB

Download
memory/924-55-0x0000000006450000-0x000000000649C000-memory.dmp

Filesize
304KB

Download
memory/924-71-0x0000000073E90000-0x0000000074640000-memory.dmp

Filesize
7.7MB

Download
memory/924-22-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

Filesize
4KB

Download
memory/924-47-0x0000000005780000-0x00000000057F6000-memory.dmp

Filesize
472KB

Download
memory/924-48-0x00000000061B0000-0x00000000061CE000-memory.dmp

Filesize
120KB

Download
memory/924-51-0x00000000067F0000-0x0000000006E08000-memory.dmp

Filesize
6.1MB

Download
memory/924-52-0x0000000006340000-0x000000000644A000-memory.dmp

Filesize
1.0MB

Download
memory/924-53-0x0000000006280000-0x0000000006292000-memory.dmp

Filesize
72KB

Download
memory/4468-27-0x0000000004A50000-0x0000000004AE2000-memory.dmp

Filesize
584KB

Download
memory/4468-29-0x0000000004A20000-0x0000000004A2A000-memory.dmp

Filesize
40KB

Download
memory/4468-58-0x0000000008350000-0x00000000083B6000-memory.dmp

Filesize
408KB

Download
memory/4468-59-0x0000000009240000-0x0000000009402000-memory.dmp

Filesize
1.8MB

Download
memory/4468-60-0x0000000009BA0000-0x000000000A0CC000-memory.dmp

Filesize
5.2MB

Download
memory/4468-28-0x0000000073E90000-0x0000000074640000-memory.dmp

Filesize
7.7MB

Download
memory/4468-62-0x0000000073E90000-0x0000000074640000-memory.dmp

Filesize
7.7MB

Download
memory/4468-25-0x0000000073E90000-0x0000000074640000-memory.dmp

Filesize
7.7MB

Download
memory/4468-66-0x0000000073E90000-0x0000000074640000-memory.dmp

Filesize
7.7MB

Download
memory/4468-26-0x0000000005000000-0x00000000055A4000-memory.dmp

Filesize
5.6MB

Download
memory/4468-69-0x0000000073E90000-0x0000000074640000-memory.dmp

Filesize
7.7MB

Download
memory/4468-24-0x00000000000B0000-0x0000000000152000-memory.dmp

Filesize
648KB

Download

Analysis

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