redline | 3808406b1791c3ded2f4c0d969e4141d613fc5695d72afe9bc299488d115a048

Analysis

max time kernel
69s
max time network
113s
platform
windows10_x64
resource
win10v200722
submitted
12/10/2020, 09:54

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General

Target
PGMBQUOTE55621888PDF.exe
Size 757KB
Sample201012-pjmmalfmys
SHA256 3808406b1791c3ded2f4c0d969e4141d613fc5695d72afe9bc299488d115a048
MD5 f00ebe7f265532592d857638a47d5008
SHA1 4fcd0f888ba70154a6f3d128230265476b5b43b5
SHA512 1a8dc65b26b23f2f46718f73cb5ebf093d552214c60368a201e91ca9773600e4a7fcded3a04ef43d688d53fbb104cd3de921e1d6cc38257c7b6e52da2474e9c0
MD5 SHA1 SHA512

Score

10^/10

redline discovery infostealer spyware

Malware Config

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/1552-12-0x00000000004235AE-mapping.dmp	family_redline
behavioral2/memory/1552-11-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
16	checkip.amazonaws.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2608 set thread context of 1552	2608	PGMBQUOTE55621888PDF.exe	76

Kills process with taskkill 1 IoCs

evasion

pid	Process
2592	taskkill.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2608	PGMBQUOTE55621888PDF.exe
2608	PGMBQUOTE55621888PDF.exe
1552	PGMBQUOTE55621888PDF.exe
1552	PGMBQUOTE55621888PDF.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2608	PGMBQUOTE55621888PDF.exe
Token: SeDebugPrivilege	1552	PGMBQUOTE55621888PDF.exe
Token: SeDebugPrivilege	2592	taskkill.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 4020	2608	PGMBQUOTE55621888PDF.exe	75
PID 2608 wrote to memory of 4020	2608	PGMBQUOTE55621888PDF.exe	75
PID 2608 wrote to memory of 4020	2608	PGMBQUOTE55621888PDF.exe	75
PID 2608 wrote to memory of 1552	2608	PGMBQUOTE55621888PDF.exe	76
PID 2608 wrote to memory of 1552	2608	PGMBQUOTE55621888PDF.exe	76
PID 2608 wrote to memory of 1552	2608	PGMBQUOTE55621888PDF.exe	76
PID 2608 wrote to memory of 1552	2608	PGMBQUOTE55621888PDF.exe	76
PID 2608 wrote to memory of 1552	2608	PGMBQUOTE55621888PDF.exe	76
PID 2608 wrote to memory of 1552	2608	PGMBQUOTE55621888PDF.exe	76
PID 2608 wrote to memory of 1552	2608	PGMBQUOTE55621888PDF.exe	76
PID 2608 wrote to memory of 1552	2608	PGMBQUOTE55621888PDF.exe	76
PID 1552 wrote to memory of 420	1552	PGMBQUOTE55621888PDF.exe	78
PID 1552 wrote to memory of 420	1552	PGMBQUOTE55621888PDF.exe	78
PID 1552 wrote to memory of 420	1552	PGMBQUOTE55621888PDF.exe	78
PID 420 wrote to memory of 2592	420	cmd.exe	80
PID 420 wrote to memory of 2592	420	cmd.exe	80
PID 420 wrote to memory of 2592	420	cmd.exe	80
PID 420 wrote to memory of 3084	420	cmd.exe	81
PID 420 wrote to memory of 3084	420	cmd.exe	81
PID 420 wrote to memory of 3084	420	cmd.exe	81

C:\Users\Admin\AppData\Local\Temp\PGMBQUOTE55621888PDF.exe
"C:\Users\Admin\AppData\Local\Temp\PGMBQUOTE55621888PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Users\Admin\AppData\Local\Temp\PGMBQUOTE55621888PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\PGMBQUOTE55621888PDF.exe"
  2⤵
  PID:4020
- C:\Users\Admin\AppData\Local\Temp\PGMBQUOTE55621888PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\PGMBQUOTE55621888PDF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1552
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C taskkill /F /PID 1552 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\PGMBQUOTE55621888PDF.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:420
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /PID 1552
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2592
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      PID:3084

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1552-21-0x0000000005500000-0x0000000005501000-memory.dmp

Download

memory/1552-17-0x00000000058E0000-0x00000000058E1000-memory.dmp

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memory/1552-35-0x0000000007DE0000-0x0000000007DE1000-memory.dmp

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memory/1552-33-0x0000000007CE0000-0x0000000007D79000-memory.dmp

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memory/1552-25-0x0000000007CE0000-0x0000000007D79000-memory.dmp

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memory/1552-24-0x0000000006420000-0x0000000006421000-memory.dmp

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memory/1552-14-0x0000000073F90000-0x000000007467E000-memory.dmp

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memory/1552-20-0x00000000052D0000-0x00000000052D1000-memory.dmp

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memory/1552-11-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/1552-19-0x0000000005260000-0x0000000005261000-memory.dmp

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memory/1552-18-0x0000000005200000-0x0000000005201000-memory.dmp

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memory/2608-0-0x0000000073F90000-0x000000007467E000-memory.dmp

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memory/2608-9-0x000000000A800000-0x000000000A869000-memory.dmp

Download

memory/2608-4-0x0000000005DB0000-0x0000000005DB1000-memory.dmp

Download

memory/2608-10-0x000000000A870000-0x000000000A8BF000-memory.dmp

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memory/2608-3-0x0000000005810000-0x0000000005811000-memory.dmp

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memory/2608-8-0x00000000082B0000-0x000000000A2AF000-memory.dmp

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memory/2608-7-0x00000000059E0000-0x00000000059E1000-memory.dmp

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memory/2608-6-0x00000000033B0000-0x00000000033B1000-memory.dmp

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memory/2608-5-0x00000000058B0000-0x00000000058B1000-memory.dmp

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memory/2608-1-0x0000000000E70000-0x0000000000E71000-memory.dmp

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