redline | 4736e79e75f24db2a63b318ab7f4119f115389f30064f692a11ae68508beb255

General

Target

QuantumBuilder.exe
Size

2.5MB
MD5

03a4fcff58e8c316ee039f63920e884b
SHA1

6b723644868f4820499a4c9cf254ef9add940f58
SHA256

4736e79e75f24db2a63b318ab7f4119f115389f30064f692a11ae68508beb255
SHA512

a97a68522a50430acdca7c8c6ee441e99e4be7c2b49f3df7cd4ad5801aae58e6603c46f50e026a5a234242325316119494a30aebcd7f5e1f5a40ef3ae6ee896a
SSDEEP

49152:/Ryi81om8kG+WpI+A9GpOQ8y2xKK8Zn8PtgyuI9LS3j12Co:/8i8H8kG+B+A99b1lgyhhC

Score

10^/10

redline sectoprat cheat discovery infostealer rat trojan

Malware Config

Extracted

Family

redline

Botnet

cheat

C2

154.91.0.57:28105

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/2304-32-0x00000000025F0000-0x000000000260E000-memory.dmp	family_redline

Redline family
redline
SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat

SectopRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/2304-32-0x00000000025F0000-0x000000000260E000-memory.dmp	family_sectoprat

Sectoprat family
sectoprat

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	QuantumBuilder.exe

Executes dropped EXE 2 IoCs

pid	Process
2304	exvjkakpysajgwh.exe
4012	mpr.exe

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 1 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	QuantumBuilder.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	exvjkakpysajgwh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2304	2032	QuantumBuilder.exe	83
PID 2032 wrote to memory of 2304	2032	QuantumBuilder.exe	83
PID 2032 wrote to memory of 4012	2032	QuantumBuilder.exe	85
PID 2032 wrote to memory of 4012	2032	QuantumBuilder.exe	85

C:\Users\Admin\AppData\Local\Temp\QuantumBuilder.exe
"C:\Users\Admin\AppData\Local\Temp\QuantumBuilder.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Roaming\exvjkakpysajgwh.exe
  "C:\Users\Admin\AppData\Roaming\exvjkakpysajgwh.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2304
- C:\Users\Admin\AppData\Roaming\mpr.exe
  "C:\Users\Admin\AppData\Roaming\mpr.exe"
  2⤵
  - Executes dropped EXE
  PID:4012

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\Roaming\exvjkakpysajgwh.exe

Filesize
871KB

MD5
6670d8dba2d02a2a779d089bda99a9e3

SHA1
cbf0a573db7fd7613f84178531fcea1210c1da78

SHA256
7b9be6b1276fc7fac3d04be2102f81c12eadcb8e09b62ab4aff147f170a0a6fe

SHA512
7b07b593581a8a578e07502c7c5398ad7a15758f20c7042064e13259ae83fcc3dab6ee2a35c30484e9666f181c76669d6cc9e0e93c9512312d36f2db9baf730e

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

Filesize
91KB

MD5
4cf83bb0950ea8f23e9f64ec606dd30e

SHA1
0da75437799fc00859460985551c814707dcadf9

SHA256
962f79e95d01a06ea9c646c4f935956251e58e7887caf284d06233d2a50c5b09

SHA512
28cc2a71b633d20b61f93cde9896b8db68f5f2e2e8a5d180299b3a0558b37bf2807c477fafbcceb8308b463237fbf58ffa8704ab3f2c91cb3f61961647af3766

Download Submit
memory/2032-0-0x0000000074DE2000-0x0000000074DE3000-memory.dmp

Filesize
4KB

Download
memory/2032-1-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/2032-2-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/2032-19-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/2304-31-0x00007FFD9EAD3000-0x00007FFD9EAD5000-memory.dmp

Filesize
8KB

Download
memory/2304-24-0x00007FFDBCE50000-0x00007FFDBD045000-memory.dmp

Filesize
2.0MB

Download
memory/2304-21-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/2304-30-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/2304-29-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2304-32-0x00000000025F0000-0x000000000260E000-memory.dmp

Filesize
120KB

Download
memory/2304-33-0x0000000002620000-0x0000000002632000-memory.dmp

Filesize
72KB

Download
memory/2304-35-0x00007FFD9EAD0000-0x00007FFD9F591000-memory.dmp

Filesize
10.8MB

Download
memory/2304-36-0x00007FFD9EAD0000-0x00007FFD9F591000-memory.dmp

Filesize
10.8MB

Download
memory/2304-34-0x0000000003A90000-0x0000000003ACC000-memory.dmp

Filesize
240KB

Download
memory/2304-37-0x00007FFD9EAD0000-0x00007FFD9F591000-memory.dmp

Filesize
10.8MB

Download
memory/2304-38-0x00007FFD9EAD0000-0x00007FFD9F591000-memory.dmp

Filesize
10.8MB

Download
memory/2304-39-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download

Analysis

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