redline | f89908f8594a0dccfb5e52b295075ff63be86c0f5584f990d39dfe2b2c2f9c08

Analysis

max time kernel
124s
max time network
120s
platform
windows10_x64
resource
win10-en-20211014
submitted
09/11/2021, 14:19

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General

Target
FOXHACK.exe
Size 340KB
Sample211109-rmtywscdhk
SHA256 f89908f8594a0dccfb5e52b295075ff63be86c0f5584f990d39dfe2b2c2f9c08
MD5 2cf73866e155ae916b8c5e23f509b357
SHA1 794f4671809e0821dd1785fc6d63ab2f8405b788
SHA512 2e676b0c2da6075e524ccf513cfecf817dc72b39602e4a38542672ac959f7c2e4408db58ee69881fd11f27bfad1f52ac4a104f356ac8aa00fdb9ba7ef3f818ad
MD5 SHA1 SHA512

Score

10^/10

redline xmrig discovery infostealer miner spyware stealer

Malware Config

Extracted

Family

redline

94.26.230.203:48759

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
behavioral2/memory/924-123-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral2/memory/924-124-0x000000000041B30E-mapping.dmp	family_redline

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig
Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
504	fl.exe
2096	makdts.exe
3068	sihost32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\makdts.exe	conhost.exe
File created	C:\Windows\system32\Microsoft\Telemetry\sihost32.exe	conhost.exe
File created	C:\Windows\system32\makdts.exe	conhost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3380 set thread context of 924	3380	FOXHACK.exe	69

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 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	FOXHACK.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	FOXHACK.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
2120	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
924	FOXHACK.exe
924	FOXHACK.exe
924	FOXHACK.exe
1276	conhost.exe
3040	conhost.exe
3040	conhost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	924	FOXHACK.exe
Token: SeDebugPrivilege	1276	conhost.exe
Token: SeDebugPrivilege	3040	conhost.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 924	3380	FOXHACK.exe	69
PID 3380 wrote to memory of 924	3380	FOXHACK.exe	69
PID 3380 wrote to memory of 924	3380	FOXHACK.exe	69
PID 3380 wrote to memory of 924	3380	FOXHACK.exe	69
PID 3380 wrote to memory of 924	3380	FOXHACK.exe	69
PID 3380 wrote to memory of 924	3380	FOXHACK.exe	69
PID 3380 wrote to memory of 924	3380	FOXHACK.exe	69
PID 3380 wrote to memory of 924	3380	FOXHACK.exe	69
PID 924 wrote to memory of 504	924	FOXHACK.exe	71
PID 924 wrote to memory of 504	924	FOXHACK.exe	71
PID 504 wrote to memory of 1276	504	fl.exe	72
PID 504 wrote to memory of 1276	504	fl.exe	72
PID 504 wrote to memory of 1276	504	fl.exe	72
PID 1276 wrote to memory of 2972	1276	conhost.exe	73
PID 1276 wrote to memory of 2972	1276	conhost.exe	73
PID 2972 wrote to memory of 2120	2972	cmd.exe	75
PID 2972 wrote to memory of 2120	2972	cmd.exe	75
PID 1276 wrote to memory of 1704	1276	conhost.exe	76
PID 1276 wrote to memory of 1704	1276	conhost.exe	76
PID 1704 wrote to memory of 2096	1704	cmd.exe	78
PID 1704 wrote to memory of 2096	1704	cmd.exe	78
PID 2096 wrote to memory of 3040	2096	makdts.exe	81
PID 2096 wrote to memory of 3040	2096	makdts.exe	81
PID 2096 wrote to memory of 3040	2096	makdts.exe	81
PID 3040 wrote to memory of 3068	3040	conhost.exe	82
PID 3040 wrote to memory of 3068	3040	conhost.exe	82
PID 3068 wrote to memory of 2080	3068	sihost32.exe	83
PID 3068 wrote to memory of 2080	3068	sihost32.exe	83
PID 3068 wrote to memory of 2080	3068	sihost32.exe	83

C:\Users\Admin\AppData\Local\Temp\FOXHACK.exe
"C:\Users\Admin\AppData\Local\Temp\FOXHACK.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Users\Admin\AppData\Local\Temp\FOXHACK.exe
  "C:\Users\Admin\AppData\Local\Temp\FOXHACK.exe"
  2⤵
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:924
- - C:\Users\Admin\AppData\Local\Temp\fl.exe
    "C:\Users\Admin\AppData\Local\Temp\fl.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:504
  - - C:\Windows\System32\conhost.exe
      "C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Local\Temp\fl.exe"
      4⤵
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1276
    - - C:\Windows\System32\cmd.exe
        
        "cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "makdts" /tr "C:\Windows\system32\makdts.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2972
      - C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc onlogon /rl highest /tn "makdts" /tr "C:\Windows\system32\makdts.exe"
        6⤵
        Creates scheduled task(s)
        
        PID:2120
    - - C:\Windows\System32\cmd.exe
        
        "cmd" cmd /c "C:\Windows\system32\makdts.exe"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1704
      - C:\Windows\system32\makdts.exe
        
        C:\Windows\system32\makdts.exe
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2096
        
        C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "C:\Windows\system32\makdts.exe"
        7⤵
        Drops file in System32 directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:3040
        
        C:\Windows\system32\Microsoft\Telemetry\sihost32.exe
        
        "C:\Windows\system32\Microsoft\Telemetry\sihost32.exe"
        8⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:3068
        
        C:\Windows\System32\conhost.exe
        
        "C:\Windows\System32\conhost.exe" "/sihost32"
        9⤵
        
        PID:2080

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/924-139-0x0000000007E20000-0x0000000007E21000-memory.dmp

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memory/924-128-0x00000000057C0000-0x00000000057C1000-memory.dmp

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memory/924-129-0x00000000069E0000-0x00000000069E1000-memory.dmp

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memory/924-130-0x0000000005F10000-0x0000000005F11000-memory.dmp

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memory/924-131-0x00000000065E0000-0x00000000065E1000-memory.dmp

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memory/924-132-0x0000000005A50000-0x0000000005A51000-memory.dmp

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memory/924-133-0x0000000006520000-0x0000000006521000-memory.dmp

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memory/924-134-0x0000000006560000-0x0000000006561000-memory.dmp

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memory/924-123-0x0000000000400000-0x0000000000420000-memory.dmp

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memory/924-140-0x0000000009A70000-0x0000000009A71000-memory.dmp

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memory/924-141-0x0000000003070000-0x0000000003071000-memory.dmp

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memory/1276-161-0x0000023463D00000-0x0000023463D02000-memory.dmp

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memory/1276-157-0x0000023463D00000-0x0000023463D02000-memory.dmp

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memory/1276-146-0x0000023463D00000-0x0000023463D02000-memory.dmp

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memory/1276-145-0x0000023463D00000-0x0000023463D02000-memory.dmp

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memory/1276-147-0x0000023463D00000-0x0000023463D02000-memory.dmp

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memory/1276-148-0x0000023463D00000-0x0000023463D02000-memory.dmp

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memory/1276-149-0x000002347E400000-0x000002347E5ED000-memory.dmp

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memory/1276-151-0x0000023463D00000-0x0000023463D02000-memory.dmp

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memory/1276-152-0x0000023463E70000-0x0000023463E71000-memory.dmp

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memory/1276-154-0x0000023463D20000-0x0000023463D22000-memory.dmp

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memory/1276-153-0x00000234639A0000-0x0000023463B91000-memory.dmp

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memory/1276-156-0x0000023463D26000-0x0000023463D27000-memory.dmp

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memory/1276-155-0x0000023463D23000-0x0000023463D25000-memory.dmp

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memory/2080-195-0x00000268FEEB0000-0x00000268FEEB2000-memory.dmp

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memory/2080-190-0x00000268FE500000-0x00000268FE503000-memory.dmp

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memory/2080-197-0x00000268FEEB6000-0x00000268FEEB7000-memory.dmp

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memory/2080-196-0x00000268FEEB3000-0x00000268FEEB5000-memory.dmp

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memory/2080-186-0x00000268FE4D0000-0x00000268FE4D2000-memory.dmp

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memory/2080-194-0x00000268FCA90000-0x00000268FCA96000-memory.dmp

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memory/2080-193-0x00000268FE4D0000-0x00000268FE4D2000-memory.dmp

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memory/2080-188-0x00000268FE4D0000-0x00000268FE4D2000-memory.dmp

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memory/2080-189-0x00000268FE4D0000-0x00000268FE4D2000-memory.dmp

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memory/2080-192-0x00000268FE4D0000-0x00000268FE4D2000-memory.dmp

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memory/2080-187-0x00000268FE4D0000-0x00000268FE4D2000-memory.dmp

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memory/3040-167-0x0000027077770000-0x0000027077772000-memory.dmp

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memory/3040-174-0x0000027077770000-0x0000027077772000-memory.dmp

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memory/3040-166-0x0000027077770000-0x0000027077772000-memory.dmp

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memory/3040-168-0x0000027077770000-0x0000027077772000-memory.dmp

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memory/3040-182-0x0000027077770000-0x0000027077772000-memory.dmp

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memory/3040-184-0x0000027079313000-0x0000027079315000-memory.dmp

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memory/3040-183-0x0000027079310000-0x0000027079312000-memory.dmp

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memory/3040-185-0x0000027079316000-0x0000027079317000-memory.dmp

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memory/3040-175-0x0000027077770000-0x0000027077772000-memory.dmp

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memory/3040-169-0x0000027077770000-0x0000027077772000-memory.dmp

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memory/3040-172-0x0000027077770000-0x0000027077772000-memory.dmp

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memory/3380-117-0x0000000005810000-0x0000000005811000-memory.dmp

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memory/3380-118-0x00000000053B0000-0x00000000053B1000-memory.dmp

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memory/3380-119-0x0000000005350000-0x0000000005351000-memory.dmp

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memory/3380-120-0x0000000005310000-0x000000000580E000-memory.dmp

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memory/3380-121-0x0000000005720000-0x0000000005721000-memory.dmp

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memory/3380-115-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

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memory/3380-122-0x0000000005670000-0x0000000005671000-memory.dmp

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