redline | b85e65232426a7f4dd4cd2d574286ef9c7850ab2b40c34aae15a05505c31d753

General

Target

b85e65232426a7f4dd4cd2d574286ef9c7850ab2b40c34aae15a05505c31d753.exe
Size

643KB
MD5

a22476df0ddd29d2a6c7218a3777d0d5
SHA1

88a801cc3eea71927fda4738febe0bcc22b8e340
SHA256

b85e65232426a7f4dd4cd2d574286ef9c7850ab2b40c34aae15a05505c31d753
SHA512

e2c3b19cf0220397d57aac88e216c1f274c60ee9b514ab62cae609234806ced06eb39a097df5901dbd3394276d79cc5d4729f47ecd8f7d3397b7a7b0a1334da4
SSDEEP

12288:yMrFy90FdUnfDthmTHYgoUJwCbjvR8nBUzfa/T+dsXTDgzFg4fdrlX:/yLKYrOwCvZ8dLlvgxg41rV

Score

10^/10

redline darm discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

darm

C2

217.196.96.56:4138

Attributes

auth_value
d88ac8ccc04ab9979b04b46313db1648

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023cb0-12.dat	family_redline
behavioral1/memory/2556-15-0x0000000000170000-0x00000000001A0000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4316	x2695560.exe
2556	g9850387.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	b85e65232426a7f4dd4cd2d574286ef9c7850ab2b40c34aae15a05505c31d753.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	x2695560.exe

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	b85e65232426a7f4dd4cd2d574286ef9c7850ab2b40c34aae15a05505c31d753.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x2695560.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g9850387.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 4316	2928	b85e65232426a7f4dd4cd2d574286ef9c7850ab2b40c34aae15a05505c31d753.exe	85
PID 2928 wrote to memory of 4316	2928	b85e65232426a7f4dd4cd2d574286ef9c7850ab2b40c34aae15a05505c31d753.exe	85
PID 2928 wrote to memory of 4316	2928	b85e65232426a7f4dd4cd2d574286ef9c7850ab2b40c34aae15a05505c31d753.exe	85
PID 4316 wrote to memory of 2556	4316	x2695560.exe	87
PID 4316 wrote to memory of 2556	4316	x2695560.exe	87
PID 4316 wrote to memory of 2556	4316	x2695560.exe	87

C:\Users\Admin\AppData\Local\Temp\b85e65232426a7f4dd4cd2d574286ef9c7850ab2b40c34aae15a05505c31d753.exe
"C:\Users\Admin\AppData\Local\Temp\b85e65232426a7f4dd4cd2d574286ef9c7850ab2b40c34aae15a05505c31d753.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2695560.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2695560.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4316
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g9850387.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g9850387.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2695560.exe

Filesize
383KB

MD5
dc7a6e9ab28dcdbf662cde782142ae40

SHA1
8370856c0a14d26d1b230e37c5e737442802d4b8

SHA256
0b2d095334fdbb8532fed988d8d15c3cf7d0ebdb34a975df2d3ae77ec8f9dce6

SHA512
da4e9f66f1df759e9f32564bef5e6291c071c663c45beef30ed26da912b370cc59f96a1feb583751cf0d942c7f69cb7df7949b929dd54106cb23bda4e0a8789a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\g9850387.exe

Filesize
168KB

MD5
a729362e72a1538e1e37b037aba330ae

SHA1
745bcf1eff43e4f1db37451117aed32fe10f8486

SHA256
0781a2aa16a03de75d75482c8e6ec54b47fe902fd3435447d0dbbe8e6b6e3875

SHA512
870aa6db32c18100c8bfbd6d3dbefe61561b2263ba462cd0b89bcb9fb7c53d933a8291ea5c56507c3310080c61d6d84b4ac38feba51968c72315f3eee254e26f

Download Submit
memory/2556-14-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/2556-15-0x0000000000170000-0x00000000001A0000-memory.dmp

Filesize
192KB

Download
memory/2556-16-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/2556-17-0x00000000051D0000-0x00000000057E8000-memory.dmp

Filesize
6.1MB

Download
memory/2556-18-0x0000000004CC0000-0x0000000004DCA000-memory.dmp

Filesize
1.0MB

Download
memory/2556-19-0x00000000049E0000-0x00000000049F2000-memory.dmp

Filesize
72KB

Download
memory/2556-20-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/2556-21-0x0000000004A40000-0x0000000004A7C000-memory.dmp

Filesize
240KB

Download
memory/2556-22-0x0000000004BB0000-0x0000000004BFC000-memory.dmp

Filesize
304KB

Download
memory/2556-23-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/2556-24-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads