redline | 604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2

General

Target

604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe
Size

565KB
MD5

9bd3fecfb842b3d4d7f02500e78211b2
SHA1

9687e3b7ca67baf2a82f76919d2b254dedc1e762
SHA256

604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2
SHA512

a4e522a8c057ad4443afededb93c66a5a8a085d6c5c677b917c626b3c20f3f40672501faa37149feb193228cea0901f77b7ff3d90044d7781ae510a498b9cc2f
SSDEEP

12288:sLd8DrZlpM93KiItqAsoVbxJjkosKrvgyzgZ15zKWtbeSufdzKQZn2pPm2hAC41s:swv9qISu

Score

10^/10

redline discovery infostealer

Malware Config

Extracted

Family

redline

C2

185.196.9.26:6302

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
behavioral1/memory/1940-8-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline

Redline family
redline

Loads dropped DLL 1 IoCs

pid	Process
3928	604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3928 set thread context of 1940	3928	604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe	79

System Location Discovery: System Language Discovery 1 TTPs 2 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	604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-556537508-2730415644-482548075-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1604	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3928 wrote to memory of 1940	3928	604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe	79
PID 3928 wrote to memory of 1940	3928	604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe	79
PID 3928 wrote to memory of 1940	3928	604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe	79
PID 3928 wrote to memory of 1940	3928	604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe	79
PID 3928 wrote to memory of 1940	3928	604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe	79
PID 3928 wrote to memory of 1940	3928	604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe	79
PID 3928 wrote to memory of 1940	3928	604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe	79
PID 3928 wrote to memory of 1940	3928	604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe	79

C:\Users\Admin\AppData\Local\Temp\604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe
"C:\Users\Admin\AppData\Local\Temp\604fa32b76dbe266da3979b7a49e3100301da56f0b58c13041ab5febe55354d2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3928
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1940

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
ad7a569bafd3a938fe348f531b8ef332

SHA1
7fdd2f52d07640047bb62e0f3d3c946ddd85c227

SHA256
f0e06109256d5577e9f62db2c398974c5002bd6d08892f20517760601b705309

SHA512
b762bae338690082d817b3008144926498a1bd2d6d99be33e513c43515808f9a3184bd10254e5c6a1ff90a9211653f066050249030ad9fe0460ec88335b3d423

Download Submit
C:\Users\Admin\AppData\Roaming\d3d9x.dll

Filesize
507KB

MD5
5292b9265f32e744fceeac9d2ecbdfb7

SHA1
a8aa69d691f3f7423fd1bec870233f577fe9510b

SHA256
35096a698e01c0ef0d14cfd2f0a536936f065eb4994387094f05e83e17a2a457

SHA512
7b7f42bcf8b2006b1186888856e76e9b9a4c013483d81afb4e63caffcac2a85e238595edca28145429486f7e907e700f2bd7a7875480e384609fe73c9604fc57

Download Submit
memory/1940-18-0x0000000005980000-0x0000000005A8A000-memory.dmp

Filesize
1.0MB

Download
memory/1940-17-0x0000000006780000-0x0000000006D98000-memory.dmp

Filesize
6.1MB

Download
memory/1940-23-0x0000000074D80000-0x0000000075531000-memory.dmp

Filesize
7.7MB

Download
memory/1940-12-0x0000000005BB0000-0x0000000006156000-memory.dmp

Filesize
5.6MB

Download
memory/1940-21-0x00000000058C0000-0x000000000590C000-memory.dmp

Filesize
304KB

Download
memory/1940-13-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/1940-14-0x0000000074D80000-0x0000000075531000-memory.dmp

Filesize
7.7MB

Download
memory/1940-15-0x0000000005590000-0x000000000559A000-memory.dmp

Filesize
40KB

Download
memory/1940-16-0x0000000074D80000-0x0000000075531000-memory.dmp

Filesize
7.7MB

Download
memory/1940-8-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1940-20-0x0000000005870000-0x00000000058AC000-memory.dmp

Filesize
240KB

Download
memory/1940-19-0x0000000005800000-0x0000000005812000-memory.dmp

Filesize
72KB

Download
memory/3928-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/3928-11-0x0000000074D80000-0x0000000075531000-memory.dmp

Filesize
7.7MB

Download
memory/3928-22-0x0000000074D80000-0x0000000075531000-memory.dmp

Filesize
7.7MB

Download
memory/3928-10-0x0000000077971000-0x0000000077A93000-memory.dmp

Filesize
1.1MB

Download
memory/3928-1-0x0000000000B90000-0x0000000000C24000-memory.dmp

Filesize
592KB

Download

Analysis

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