redline | 88ad4dfc05f375f97a5ba9b10a8d5d6222cfa1250841ccc5dfe9189c09ad73d2

General

Target

87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe
Size

3.8MB
MD5

5297fc3e53d37d8d673c038dc55efebd
SHA1

f78c4cc2fa80af00cd84128a8a4bcd54b6768206
SHA256

87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5
SHA512

10ade61bbbafadb2cbe9726aaf445e3e3d02cfd36ae86b294c083ac5dd0a5e6fe8fbc421814f5438fd16601c19626f195df4a72eb9f98a06b9a7e1e6d3c19657
SSDEEP

98304:jJoqfS4A/EKZcD0X3lkRtWopFrdTQAI42+:NRFpD0X32GkdTQD4

Score

10^/10

redline zgrat sp-19 agilenet discovery infostealer rat

Malware Config

Extracted

Family

redline

Botnet

sp-19

C2

38.91.100.57:32750

Attributes

auth_value
7d992d9714ca3423d5efee4459c460c8

Signatures

Detect ZGRat V2 1 IoCs

resource	yara_rule
behavioral2/memory/2696-3-0x0000000005A70000-0x0000000005B28000-memory.dmp	family_zgrat_v2

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/1392-33-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

Redline family
redline
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Zgrat family
zgrat

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral2/memory/2696-1-0x0000000000D30000-0x00000000010FE000-memory.dmp	agile_net

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 1392	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	100

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	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4604	powershell.exe
4604	powershell.exe
2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe
2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4604	powershell.exe
Token: SeDebugPrivilege	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 4604	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	96
PID 2696 wrote to memory of 4604	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	96
PID 2696 wrote to memory of 4604	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	96
PID 2696 wrote to memory of 1392	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	100
PID 2696 wrote to memory of 1392	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	100
PID 2696 wrote to memory of 1392	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	100
PID 2696 wrote to memory of 1392	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	100
PID 2696 wrote to memory of 1392	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	100
PID 2696 wrote to memory of 1392	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	100
PID 2696 wrote to memory of 1392	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	100
PID 2696 wrote to memory of 1392	2696	87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe	100

C:\Users\Admin\AppData\Local\Temp\87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe
"C:\Users\Admin\AppData\Local\Temp\87a53e43fc1a838c52130abe4607eb0ea70802f3b233e4e74c9edca5920ed2c5.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4604
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_da1yrpxv.zez.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1392-42-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/1392-33-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1392-35-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/1392-37-0x0000000004E90000-0x00000000054A8000-memory.dmp

Filesize
6.1MB

Download
memory/1392-38-0x00000000049A0000-0x0000000004AAA000-memory.dmp

Filesize
1.0MB

Download
memory/1392-39-0x00000000048D0000-0x00000000048E2000-memory.dmp

Filesize
72KB

Download
memory/1392-40-0x0000000004930000-0x000000000496C000-memory.dmp

Filesize
240KB

Download
memory/1392-41-0x0000000004AB0000-0x0000000004AFC000-memory.dmp

Filesize
304KB

Download
memory/2696-4-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/2696-0-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2696-7-0x0000000005DE0000-0x0000000006134000-memory.dmp

Filesize
3.3MB

Download
memory/2696-6-0x0000000005DB0000-0x0000000005DD2000-memory.dmp

Filesize
136KB

Download
memory/2696-5-0x0000000005CC0000-0x0000000005D52000-memory.dmp

Filesize
584KB

Download
memory/2696-28-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/2696-3-0x0000000005A70000-0x0000000005B28000-memory.dmp

Filesize
736KB

Download
memory/2696-36-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/2696-2-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2696-1-0x0000000000D30000-0x00000000010FE000-memory.dmp

Filesize
3.8MB

Download
memory/4604-8-0x00000000028B0000-0x00000000028E6000-memory.dmp

Filesize
216KB

Download
memory/4604-27-0x00000000063B0000-0x00000000063CA000-memory.dmp

Filesize
104KB

Download
memory/4604-29-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/4604-32-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/4604-26-0x0000000007510000-0x0000000007B8A000-memory.dmp

Filesize
6.5MB

Download
memory/4604-25-0x0000000006060000-0x00000000060AC000-memory.dmp

Filesize
304KB

Download
memory/4604-24-0x0000000005EB0000-0x0000000005ECE000-memory.dmp

Filesize
120KB

Download
memory/4604-11-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/4604-19-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/4604-13-0x0000000005880000-0x00000000058E6000-memory.dmp

Filesize
408KB

Download
memory/4604-12-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/4604-10-0x0000000005170000-0x0000000005798000-memory.dmp

Filesize
6.2MB

Download
memory/4604-9-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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