redline | 5031f42bb5fc965f36d16c261032db382e9746ecbd58cda03fa40ef286738a74

General

Target

installer.exe
Size

1.3MB
MD5

4ca8d5fd296026e9594929feea52990e
SHA1

3d70526e7f8bbd05e64b6e195ad9cd6644fc65c3
SHA256

fc09addb668c15983de03593dd8f182261f3957c3dc02fbf2653820858810fa9
SHA512

15180308f09e989efb174cc022ad54078f6e66872c96e1027f8f36fcd37cb5b596a566b66e1935d853fc54fade05ba4179e81218c3b7952953677a7378a82712
SSDEEP

24576:odGlKVNT2CqjiK7VhmD2beSmNPiQ4SEqxgHY:o8lCkFz/O27mNKToxN

Score

10^/10

redline 0116 discovery infostealer

Malware Config

Extracted

Family

redline

Botnet

0116

C2

81.161.229.143:26910

Attributes

auth_value
35f84f965c2ecd5ec79c6b3e71986b0d

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
Redline 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	installer.exe

Executes dropped EXE 1 IoCs

pid	Process
1368	build.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3784 set thread context of 3140	3784	installer.exe	89

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4928	1368	WerFault.exe	87

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	installer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	build.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3784	installer.exe
3784	installer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3784	installer.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 1368	3784	installer.exe	87
PID 3784 wrote to memory of 1368	3784	installer.exe	87
PID 3784 wrote to memory of 1368	3784	installer.exe	87
PID 3784 wrote to memory of 3140	3784	installer.exe	89
PID 3784 wrote to memory of 3140	3784	installer.exe	89
PID 3784 wrote to memory of 3140	3784	installer.exe	89
PID 3784 wrote to memory of 3140	3784	installer.exe	89
PID 3784 wrote to memory of 3140	3784	installer.exe	89
PID 3784 wrote to memory of 3140	3784	installer.exe	89
PID 3784 wrote to memory of 3140	3784	installer.exe	89
PID 3784 wrote to memory of 3140	3784	installer.exe	89

C:\Users\Admin\AppData\Local\Temp\installer.exe
"C:\Users\Admin\AppData\Local\Temp\installer.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:3784
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\build.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\build.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 1736
    3⤵
    - Program crash
    PID:4928
- 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:3140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1368 -ip 1368
1⤵
PID:4060

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\Microsoft\Windows\Start Menu\Programs\build.exe

Filesize
296KB

MD5
8bb02e13b56d25d583ee44b74f745d2e

SHA1
23f6745eeb754ca53d760ab8e3a012ed791e3698

SHA256
f08949113be913898d130cf40334a88b245ebfa63a0011fa57bd32dccaf6bff8

SHA512
366028ac0b1c288055b3c685389083ef0a61fe57d86e8b45c4fca5ca9aea738c626dff197f1ea0d8157324228e125bf302c8d5ccd10bca10701a9f9465ea7675

Download Submit
memory/3140-41-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/3140-52-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3140-51-0x00000000052C0000-0x000000000530C000-memory.dmp

Filesize
304KB

Download
memory/3140-50-0x0000000005140000-0x000000000517C000-memory.dmp

Filesize
240KB

Download
memory/3140-49-0x00000000050E0000-0x00000000050F2000-memory.dmp

Filesize
72KB

Download
memory/3140-48-0x00000000051B0000-0x00000000052BA000-memory.dmp

Filesize
1.0MB

Download
memory/3140-47-0x0000000005670000-0x0000000005C88000-memory.dmp

Filesize
6.1MB

Download
memory/3140-46-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3140-45-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/3140-44-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3784-19-0x0000000010F30000-0x0000000010F36000-memory.dmp

Filesize
24KB

Download
memory/3784-43-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3784-20-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/3784-24-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3784-40-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3784-18-0x000000000D9D0000-0x000000000D9EA000-memory.dmp

Filesize
104KB

Download
memory/3784-17-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3784-0-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/3784-8-0x000000000BE70000-0x000000000BE7A000-memory.dmp

Filesize
40KB

Download
memory/3784-7-0x0000000005990000-0x00000000059A8000-memory.dmp

Filesize
96KB

Download
memory/3784-6-0x0000000006620000-0x0000000006654000-memory.dmp

Filesize
208KB

Download
memory/3784-5-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/3784-4-0x0000000005400000-0x000000000549C000-memory.dmp

Filesize
624KB

Download
memory/3784-3-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/3784-2-0x00000000059B0000-0x0000000005F54000-memory.dmp

Filesize
5.6MB

Download
memory/3784-1-0x0000000000660000-0x000000000079C000-memory.dmp

Filesize
1.2MB

Download

Analysis

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