redline | c787a0aa20d047aec48e31f551fe6511c893f93abd0210a5cfbd95b3b9cc5750

Analysis

max time kernel
75s
max time network
137s
platform
windows10_x64
resource
win10-en
submitted
14/09/2021, 18:06

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General

Target
5cec81dfa342b94ded247e2f1a46b936.exe
Size 434KB
Sample210914-wpqrgagbb7
SHA256 c787a0aa20d047aec48e31f551fe6511c893f93abd0210a5cfbd95b3b9cc5750
MD5 5cec81dfa342b94ded247e2f1a46b936
SHA1 7e666b02d2f2fa2e9a07181c85fbaa717c09bc75
SHA512 9df4f67b1937d0e6d05199f028a0ca6f0afeb1f1c5597e967441e3a113b008d3ffbba7408cbaaa813e2aec05a4560ac505aedadec81a44c9114d48232e2379ff
MD5 SHA1 SHA512

Score

10^/10

redline bitcoin_tool discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

Bitcoin_tool

144.76.112.41:26462

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/4088-121-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral2/memory/4088-122-0x000000000041933E-mapping.dmp	family_redline

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
1076	123.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4020 set thread context of 4088	4020	5cec81dfa342b94ded247e2f1a46b936.exe	71

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4088	5cec81dfa342b94ded247e2f1a46b936.exe
4088	5cec81dfa342b94ded247e2f1a46b936.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4088	5cec81dfa342b94ded247e2f1a46b936.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 2856	4020	5cec81dfa342b94ded247e2f1a46b936.exe	70
PID 4020 wrote to memory of 2856	4020	5cec81dfa342b94ded247e2f1a46b936.exe	70
PID 4020 wrote to memory of 2856	4020	5cec81dfa342b94ded247e2f1a46b936.exe	70
PID 4020 wrote to memory of 4088	4020	5cec81dfa342b94ded247e2f1a46b936.exe	71
PID 4020 wrote to memory of 4088	4020	5cec81dfa342b94ded247e2f1a46b936.exe	71
PID 4020 wrote to memory of 4088	4020	5cec81dfa342b94ded247e2f1a46b936.exe	71
PID 4020 wrote to memory of 4088	4020	5cec81dfa342b94ded247e2f1a46b936.exe	71
PID 4020 wrote to memory of 4088	4020	5cec81dfa342b94ded247e2f1a46b936.exe	71
PID 4020 wrote to memory of 4088	4020	5cec81dfa342b94ded247e2f1a46b936.exe	71
PID 4020 wrote to memory of 4088	4020	5cec81dfa342b94ded247e2f1a46b936.exe	71
PID 4020 wrote to memory of 4088	4020	5cec81dfa342b94ded247e2f1a46b936.exe	71
PID 4088 wrote to memory of 1076	4088	5cec81dfa342b94ded247e2f1a46b936.exe	72
PID 4088 wrote to memory of 1076	4088	5cec81dfa342b94ded247e2f1a46b936.exe	72
PID 4088 wrote to memory of 1076	4088	5cec81dfa342b94ded247e2f1a46b936.exe	72
PID 1076 wrote to memory of 1556	1076	123.exe	73
PID 1076 wrote to memory of 1556	1076	123.exe	73
PID 1076 wrote to memory of 1556	1076	123.exe	73

C:\Users\Admin\AppData\Local\Temp\5cec81dfa342b94ded247e2f1a46b936.exe
"C:\Users\Admin\AppData\Local\Temp\5cec81dfa342b94ded247e2f1a46b936.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Users\Admin\AppData\Local\Temp\5cec81dfa342b94ded247e2f1a46b936.exe
  C:\Users\Admin\AppData\Local\Temp\5cec81dfa342b94ded247e2f1a46b936.exe
  2⤵
  PID:2856
- C:\Users\Admin\AppData\Local\Temp\5cec81dfa342b94ded247e2f1a46b936.exe
  C:\Users\Admin\AppData\Local\Temp\5cec81dfa342b94ded247e2f1a46b936.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4088
- - C:\Users\Admin\AppData\Local\Temp\123.exe
    "C:\Users\Admin\AppData\Local\Temp\123.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1076
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /run /tn \Microsoft\Windows\DiskCleanup\SilentCleanup /I
      4⤵
      PID:1556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

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/1076-145-0x0000000004F80000-0x0000000004F81000-memory.dmp

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memory/1076-142-0x0000000000120000-0x0000000000121000-memory.dmp

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memory/1076-144-0x0000000008430000-0x0000000008A8C000-memory.dmp

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memory/4020-119-0x0000000005240000-0x0000000005241000-memory.dmp

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memory/4020-115-0x00000000008C0000-0x00000000008C1000-memory.dmp

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memory/4020-120-0x0000000005750000-0x0000000005751000-memory.dmp

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memory/4020-118-0x0000000005100000-0x0000000005101000-memory.dmp

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memory/4020-117-0x0000000005140000-0x0000000005141000-memory.dmp

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memory/4088-132-0x0000000006620000-0x0000000006621000-memory.dmp

Download

memory/4088-133-0x0000000006D20000-0x0000000006D21000-memory.dmp

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memory/4088-136-0x0000000006990000-0x0000000006991000-memory.dmp

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memory/4088-138-0x0000000008300000-0x0000000008301000-memory.dmp

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memory/4088-131-0x00000000050E0000-0x00000000050E1000-memory.dmp

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memory/4088-130-0x00000000053B0000-0x00000000053B1000-memory.dmp

Download

memory/4088-129-0x0000000005170000-0x0000000005171000-memory.dmp

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memory/4088-128-0x0000000005130000-0x0000000005131000-memory.dmp

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memory/4088-127-0x00000000050A0000-0x00000000050A1000-memory.dmp

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memory/4088-126-0x0000000005700000-0x0000000005701000-memory.dmp

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memory/4088-121-0x0000000000400000-0x000000000041E000-memory.dmp

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