redline | 08d215fd35494280e6397e8bc527bd6de64eb78a73acd3bd07a01da376ed4cb7

Resubmissions

07-02-2022 00:34

220207-aw81qsdce2 10

Analysis

max time kernel
16s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
07-02-2022 00:34

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General

Target

001.exe
Size

1.4MB
MD5

1cab063cc0c194cc5c81e71aad8a94e0
SHA1

bb4d5267f05e3e4f42ad7576f8a8e57a47da5653
SHA256

4ccc480c0ae855a876e266122a05dea65506fadedee20f1857525a41ef3932f8
SHA512

93fe579300d1db29f1b3ed75db9529d5bef48af1db8d947a9883e06e9c3a75ecf82f563dd163a333ad81562e95fd6c2d6d6f3f9f5fa05e0344ee85cd251365f3

Score

10^/10

redline 001 infostealer

Malware Config

Extracted

Family

redline

Botnet

001

45.67.231.52:81

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/4752-137-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	001.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs

pid	Process
4688	001.exe
4688	001.exe
4688	001.exe
4688	001.exe
4688	001.exe
4688	001.exe
4688	001.exe
4688	001.exe
4688	001.exe
4688	001.exe
4688	001.exe
4688	001.exe
4688	001.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4688 set thread context of 4752	4688	001.exe	86

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4856	timeout.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4688	001.exe
4688	001.exe
4688	001.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4688	001.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 388	4688	001.exe	82
PID 4688 wrote to memory of 388	4688	001.exe	82
PID 4688 wrote to memory of 388	4688	001.exe	82
PID 388 wrote to memory of 4856	388	cmd.exe	85
PID 388 wrote to memory of 4856	388	cmd.exe	85
PID 388 wrote to memory of 4856	388	cmd.exe	85
PID 4688 wrote to memory of 4752	4688	001.exe	86
PID 4688 wrote to memory of 4752	4688	001.exe	86
PID 4688 wrote to memory of 4752	4688	001.exe	86
PID 4688 wrote to memory of 4752	4688	001.exe	86
PID 4688 wrote to memory of 4752	4688	001.exe	86
PID 4688 wrote to memory of 4752	4688	001.exe	86
PID 4688 wrote to memory of 4752	4688	001.exe	86
PID 4688 wrote to memory of 4752	4688	001.exe	86

C:\Users\Admin\AppData\Local\Temp\001.exe
"C:\Users\Admin\AppData\Local\Temp\001.exe"
1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:388
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - Delays execution with timeout.exe
    PID:4856
- C:\Users\Admin\AppData\Local\Temp\001.exe
  "C:\Users\Admin\AppData\Local\Temp\001.exe"
  2⤵
  PID:4752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4688 -ip 4688
1⤵
PID:2892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4688-133-0x0000000000140000-0x00000000002AC000-memory.dmp

Filesize
1.4MB

Download
memory/4688-134-0x0000000004C20000-0x0000000004CBC000-memory.dmp

Filesize
624KB

Download
memory/4688-135-0x0000000004DC0000-0x0000000005DC0000-memory.dmp

Filesize
16.0MB

Download
memory/4688-136-0x0000000005EF0000-0x0000000006494000-memory.dmp

Filesize
5.6MB

Download
memory/4752-137-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4752-138-0x0000000004DA0000-0x0000000004E16000-memory.dmp

Filesize
472KB

Download