redline | e9886d323842ce9b10d8bcf64862b3c1149dd07d5cab6ce247ada61aa659f134

Analysis

max time kernel
148s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
13-10-2024 22:55

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General

Target

log sender/logs bot.exe
Size

894KB
MD5

ac2c05fb13ae53e3d6d38ef3a8815b0d
SHA1

baaf57949abcad93a9247a55746fa517e495f048
SHA256

efed9ff5c81d6d2a63f057e9fc5ee2d15b85a2c51df4a92c17d87cc8b529a2c3
SHA512

5d55fb685ce2bf5d3769a8c8cf48efdd961a4c8609cdeadea1a3062bb5dfddd0e97da414290daea2798733b8815dcd33786a27c300cc7aa578c6ba3b746b05ed
SSDEEP

12288:sMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9Q2BVko8kufuAj:snsJ39LyjbJkQFMhmC+6GD9TBVkNt

Score

10^/10

redline discovery infostealer persistence

Malware Config

Signatures

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

RedLine payload 6 IoCs

resource	yara_rule
behavioral26/files/0x001c00000002ab18-5.dat	family_redline
behavioral26/files/0x001c00000002ac00-66.dat	family_redline
behavioral26/memory/3200-129-0x0000000000400000-0x00000000004E6000-memory.dmp	family_redline
behavioral26/memory/4452-130-0x0000000000CF0000-0x0000000000D1A000-memory.dmp	family_redline
behavioral26/memory/4592-245-0x0000000000400000-0x00000000004E6000-memory.dmp	family_redline
behavioral26/memory/4592-277-0x0000000000400000-0x00000000004E6000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
4452	._cache_logs bot.exe
4592	Synaptics.exe
3556	._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 1 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\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	logs bot.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 10 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	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	logs bot.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_logs bot.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Kills process with taskkill 2 IoCs

evasion

pid	Process
4560	taskkill.exe
2352	taskkill.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	logs bot.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
788	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4452	._cache_logs bot.exe
Token: SeDebugPrivilege	3556	._cache_Synaptics.exe
Token: SeDebugPrivilege	2352	taskkill.exe
Token: SeDebugPrivilege	4560	taskkill.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 4452	3200	logs bot.exe	77
PID 3200 wrote to memory of 4452	3200	logs bot.exe	77
PID 3200 wrote to memory of 4452	3200	logs bot.exe	77
PID 3200 wrote to memory of 4592	3200	logs bot.exe	78
PID 3200 wrote to memory of 4592	3200	logs bot.exe	78
PID 3200 wrote to memory of 4592	3200	logs bot.exe	78
PID 4592 wrote to memory of 3556	4592	Synaptics.exe	79
PID 4592 wrote to memory of 3556	4592	Synaptics.exe	79
PID 4592 wrote to memory of 3556	4592	Synaptics.exe	79
PID 3556 wrote to memory of 4572	3556	._cache_Synaptics.exe	82
PID 3556 wrote to memory of 4572	3556	._cache_Synaptics.exe	82
PID 3556 wrote to memory of 4572	3556	._cache_Synaptics.exe	82
PID 4452 wrote to memory of 2288	4452	._cache_logs bot.exe	83
PID 4452 wrote to memory of 2288	4452	._cache_logs bot.exe	83
PID 4452 wrote to memory of 2288	4452	._cache_logs bot.exe	83
PID 4572 wrote to memory of 4560	4572	cmd.exe	86
PID 4572 wrote to memory of 4560	4572	cmd.exe	86
PID 4572 wrote to memory of 4560	4572	cmd.exe	86
PID 2288 wrote to memory of 2352	2288	cmd.exe	87
PID 2288 wrote to memory of 2352	2288	cmd.exe	87
PID 2288 wrote to memory of 2352	2288	cmd.exe	87
PID 4572 wrote to memory of 1144	4572	cmd.exe	88
PID 4572 wrote to memory of 1144	4572	cmd.exe	88
PID 4572 wrote to memory of 1144	4572	cmd.exe	88
PID 2288 wrote to memory of 928	2288	cmd.exe	89
PID 2288 wrote to memory of 928	2288	cmd.exe	89
PID 2288 wrote to memory of 928	2288	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\log sender\logs bot.exe
"C:\Users\Admin\AppData\Local\Temp\log sender\logs bot.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Users\Admin\AppData\Local\Temp\log sender\._cache_logs bot.exe
  "C:\Users\Admin\AppData\Local\Temp\log sender\._cache_logs bot.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4452
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C taskkill /F /PID 4452 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\log sender\._cache_logs bot.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2288
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /PID 4452
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2352
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:928
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4592
- - C:\Users\Admin\AppData\Local\Temp\log sender\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\log sender\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3556
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C taskkill /F /PID 3556 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\log sender\._cache_Synaptics.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4572
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /F /PID 3556
        5⤵
        System Location Discovery: System Language Discovery
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:4560
    - - C:\Windows\SysWOW64\choice.exe
        
        choice /C Y /N /D Y /T 3
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1144

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
894KB

MD5
ac2c05fb13ae53e3d6d38ef3a8815b0d

SHA1
baaf57949abcad93a9247a55746fa517e495f048

SHA256
efed9ff5c81d6d2a63f057e9fc5ee2d15b85a2c51df4a92c17d87cc8b529a2c3

SHA512
5d55fb685ce2bf5d3769a8c8cf48efdd961a4c8609cdeadea1a3062bb5dfddd0e97da414290daea2798733b8815dcd33786a27c300cc7aa578c6ba3b746b05ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\1AA75E00

Filesize
23KB

MD5
bc229651fdf9fca87e95033f0a394ae4

SHA1
47db3ed13516f30aa4adc24d22b86a96d5608e72

SHA256
cbcc1eb8b5d42c55f819df407b1b6d5ac586892edffcbb839cdd00223acb600f

SHA512
61cd506da288546758dc49199c3d555d97d26d1824f7b20a222de36c9a0c14661c9ed6e4911439c59cca2182c2910d255809a159ac534dd8e8fd4dcc4fc1ec2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\log sender\._cache_logs bot.exe

Filesize
141KB

MD5
f008bbd1ebe31a75bcfdd521f231c5ad

SHA1
c70b5fd20d0ee74ba1a0963da1d751cd36669572

SHA256
b313386e5d12e8a34f346f2ced1e94912351533282d337a95812131959c72c83

SHA512
da9168b7492cd2d5fcd91fe99525f06ba1d1ae4cfde2a40d837290aee591a974ffa86c9977c07e42b31472b696b37017c7bad98de3138bd3afee7c7cb1648e56

Download Submit
C:\Users\Admin\AppData\Local\Temp\ylkqOsv1.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/788-203-0x00007FFA971D0000-0x00007FFA971E0000-memory.dmp

Filesize
64KB

Download
memory/788-202-0x00007FFA971D0000-0x00007FFA971E0000-memory.dmp

Filesize
64KB

Download
memory/788-200-0x00007FFA996D0000-0x00007FFA996E0000-memory.dmp

Filesize
64KB

Download
memory/788-199-0x00007FFA996D0000-0x00007FFA996E0000-memory.dmp

Filesize
64KB

Download
memory/788-196-0x00007FFA996D0000-0x00007FFA996E0000-memory.dmp

Filesize
64KB

Download
memory/788-197-0x00007FFA996D0000-0x00007FFA996E0000-memory.dmp

Filesize
64KB

Download
memory/788-198-0x00007FFA996D0000-0x00007FFA996E0000-memory.dmp

Filesize
64KB

Download
memory/3200-0-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/3200-129-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4452-130-0x0000000000CF0000-0x0000000000D1A000-memory.dmp

Filesize
168KB

Download
memory/4452-134-0x0000000005F20000-0x0000000006538000-memory.dmp

Filesize
6.1MB

Download
memory/4452-201-0x0000000005AB0000-0x0000000005BBA000-memory.dmp

Filesize
1.0MB

Download
memory/4452-185-0x0000000005830000-0x000000000587C000-memory.dmp

Filesize
304KB

Download
memory/4452-136-0x0000000005790000-0x00000000057A2000-memory.dmp

Filesize
72KB

Download
memory/4452-178-0x00000000057F0000-0x000000000582C000-memory.dmp

Filesize
240KB

Download
memory/4452-118-0x0000000072DCE000-0x0000000072DCF000-memory.dmp

Filesize
4KB

Download
memory/4592-131-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4592-245-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4592-246-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4592-277-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads