redline | 1ad905b0d07aaecf0913ce32e758b9e1af9ef550fbbfa52b32400aa25e5507cc

Analysis

max time kernel
126s
max time network
114s
platform
windows10_x64
resource
win10v20201028
submitted
01-11-2020 07:22

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General

Target

b7b5ffa4da24a1e2d00186fad284bc9e.exe
Size

789KB
MD5

b7b5ffa4da24a1e2d00186fad284bc9e
SHA1

e462520c771c03e135a8399671849edad7ec6422
SHA256

1ad905b0d07aaecf0913ce32e758b9e1af9ef550fbbfa52b32400aa25e5507cc
SHA512

38c143d4707776ee61f3f912686ec4a424499f5f5274c10f6bcf8cbbb10e700089cfca1d16e02f7b52b7c7446fef80d8c2e467dcd90ddff58c0014da9450063f

Score

10^/10

redline infostealer

Malware Config

Signatures

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

RedLine Payload 35 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3268-53-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-54-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-55-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-56-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-57-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-59-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-60-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-61-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-62-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-70-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-72-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-71-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-74-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-73-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-76-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-77-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-78-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-79-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-80-0x0000000004080000-0x00000000040A4000-memory.dmp	family_redline
behavioral2/memory/3268-85-0x0000000004310000-0x0000000004332000-memory.dmp	family_redline
behavioral2/memory/3268-99-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-98-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-101-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-100-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-103-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-104-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-105-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-111-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-110-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-114-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-113-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-112-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-117-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-119-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/3268-116-0x0000000000000000-mapping.dmp	family_redline

Executes dropped EXE 1 IoCs

Processes:

bestof.exe

pid process

3268 bestof.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

System Information Discovery
T1082

pid	process
3268	bestof.exe

flow	ioc
14	ip-api.com

Program crash 12 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
3880	3372	WerFault.exe	b7b5ffa4da24a1e2d00186fad284bc9e.exe
3452	3372	WerFault.exe	b7b5ffa4da24a1e2d00186fad284bc9e.exe
2940	3372	WerFault.exe	b7b5ffa4da24a1e2d00186fad284bc9e.exe
4080	3372	WerFault.exe	b7b5ffa4da24a1e2d00186fad284bc9e.exe
1128	3372	WerFault.exe	b7b5ffa4da24a1e2d00186fad284bc9e.exe
4052	3268	WerFault.exe	bestof.exe
1448	3372	WerFault.exe	b7b5ffa4da24a1e2d00186fad284bc9e.exe
2688	3268	WerFault.exe	bestof.exe
4076	3372	WerFault.exe	b7b5ffa4da24a1e2d00186fad284bc9e.exe
2204	3372	WerFault.exe	b7b5ffa4da24a1e2d00186fad284bc9e.exe
1140	3268	WerFault.exe	bestof.exe
2916	3268	WerFault.exe	bestof.exe

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

Processes:

b7b5ffa4da24a1e2d00186fad284bc9e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b7b5ffa4da24a1e2d00186fad284bc9e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b7b5ffa4da24a1e2d00186fad284bc9e.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	process
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3880	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
3452	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
4080	WerFault.exe
1128	WerFault.exe
1128	WerFault.exe
1128	WerFault.exe
1128	WerFault.exe
1128	WerFault.exe
1128	WerFault.exe
1128	WerFault.exe
1128	WerFault.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

description	pid	process
Token: SeRestorePrivilege	3880	WerFault.exe
Token: SeBackupPrivilege	3880	WerFault.exe
Token: SeDebugPrivilege	3880	WerFault.exe
Token: SeDebugPrivilege	3452	WerFault.exe
Token: SeDebugPrivilege	2940	WerFault.exe
Token: SeDebugPrivilege	4080	WerFault.exe
Token: SeDebugPrivilege	1128	WerFault.exe
Token: SeDebugPrivilege	4052	WerFault.exe
Token: SeDebugPrivilege	1448	WerFault.exe
Token: SeDebugPrivilege	2688	WerFault.exe
Token: SeDebugPrivilege	4076	WerFault.exe
Token: SeDebugPrivilege	2204	WerFault.exe
Token: SeDebugPrivilege	1140	WerFault.exe
Token: SeDebugPrivilege	2916	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b7b5ffa4da24a1e2d00186fad284bc9e.exe

description	pid	process	target process
PID 3372 wrote to memory of 3268	3372	b7b5ffa4da24a1e2d00186fad284bc9e.exe	bestof.exe
PID 3372 wrote to memory of 3268	3372	b7b5ffa4da24a1e2d00186fad284bc9e.exe	bestof.exe
PID 3372 wrote to memory of 3268	3372	b7b5ffa4da24a1e2d00186fad284bc9e.exe	bestof.exe

C:\Users\Admin\AppData\Local\Temp\b7b5ffa4da24a1e2d00186fad284bc9e.exe
"C:\Users\Admin\AppData\Local\Temp\b7b5ffa4da24a1e2d00186fad284bc9e.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 752
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 860
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1204
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1564
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1604
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1128

C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
bestof.exe
2⤵
- Executes dropped EXE
PID:3268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 536
3⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:4052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 512
3⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:2688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 1012
3⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 1032
3⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:2916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1524
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1896
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:4076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 1556
2⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:2204

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
MD5
6943b3380427465a7998ddf3a96945a0

SHA1
abb680ef5e005da1610828d518c15a250b001fd9

SHA256
94e489927f1f04b50d80382b4ebbb245d8b0cd55f36dac8d7de3c543cbf361fb

SHA512
5c8fb35986df56b3f6f7b850a98455ab3d767372b57838d54c9faf280826975a0f2a0828fa977469a3d5e02ce9f7bea23e8b574cf793f4264f385e871de8277d

Download Submit
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
MD5
6943b3380427465a7998ddf3a96945a0

SHA1
abb680ef5e005da1610828d518c15a250b001fd9

SHA256
94e489927f1f04b50d80382b4ebbb245d8b0cd55f36dac8d7de3c543cbf361fb

SHA512
5c8fb35986df56b3f6f7b850a98455ab3d767372b57838d54c9faf280826975a0f2a0828fa977469a3d5e02ce9f7bea23e8b574cf793f4264f385e871de8277d

Download Submit
memory/1128-38-0x0000000004F50000-0x0000000004F51000-memory.dmp

Filesize
4KB

Download
memory/1128-41-0x0000000005880000-0x0000000005881000-memory.dmp

Filesize
4KB

Download
memory/1140-95-0x0000000004E30000-0x0000000004E31000-memory.dmp

Filesize
4KB

Download
memory/1140-102-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/1448-66-0x0000000005830000-0x0000000005831000-memory.dmp

Filesize
4KB

Download
memory/1448-63-0x0000000004F00000-0x0000000004F01000-memory.dmp

Filesize
4KB

Download
memory/2204-94-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Filesize
4KB

Download
memory/2204-90-0x0000000004780000-0x0000000004781000-memory.dmp

Filesize
4KB

Download
memory/2688-75-0x0000000004F10000-0x0000000004F11000-memory.dmp

Filesize
4KB

Download
memory/2688-67-0x00000000049E0000-0x00000000049E1000-memory.dmp

Filesize
4KB

Download
memory/2916-107-0x0000000004780000-0x0000000004781000-memory.dmp

Filesize
4KB

Download
memory/2916-115-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

Filesize
4KB

Download
memory/2940-30-0x00000000045F0000-0x00000000045F1000-memory.dmp

Filesize
4KB

Download
memory/2940-33-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

Filesize
4KB

Download
memory/3268-88-0x0000000006970000-0x0000000006971000-memory.dmp

Filesize
4KB

Download
memory/3268-72-0x0000000000000000-mapping.dmp

Download
memory/3268-116-0x0000000000000000-mapping.dmp

Download
memory/3268-119-0x0000000000000000-mapping.dmp

Download
memory/3268-118-0x0000000000000000-mapping.dmp

Download
memory/3268-117-0x0000000000000000-mapping.dmp

Download
memory/3268-112-0x0000000000000000-mapping.dmp

Download
memory/3268-113-0x0000000000000000-mapping.dmp

Download
memory/3268-114-0x0000000000000000-mapping.dmp

Download
memory/3268-110-0x0000000000000000-mapping.dmp

Download
memory/3268-111-0x0000000000000000-mapping.dmp

Download
memory/3268-106-0x0000000007860000-0x0000000007861000-memory.dmp

Filesize
4KB

Download
memory/3268-105-0x0000000000000000-mapping.dmp

Download
memory/3268-104-0x0000000000000000-mapping.dmp

Download
memory/3268-103-0x0000000000000000-mapping.dmp

Download
memory/3268-42-0x0000000000000000-mapping.dmp

Download
memory/3268-100-0x0000000000000000-mapping.dmp

Download
memory/3268-101-0x0000000000000000-mapping.dmp

Download
memory/3268-45-0x00000000025E4000-0x00000000025E5000-memory.dmp

Filesize
4KB

Download
memory/3268-46-0x0000000004040000-0x0000000004041000-memory.dmp

Filesize
4KB

Download
memory/3268-47-0x0000000004040000-0x0000000004041000-memory.dmp

Filesize
4KB

Download
memory/3268-48-0x0000000004160000-0x0000000004161000-memory.dmp

Filesize
4KB

Download
memory/3268-49-0x0000000072A60000-0x000000007314E000-memory.dmp

Filesize
6.9MB

Download
memory/3268-98-0x0000000000000000-mapping.dmp

Download
memory/3268-99-0x0000000000000000-mapping.dmp

Download
memory/3268-53-0x0000000000000000-mapping.dmp

Download
memory/3268-54-0x0000000000000000-mapping.dmp

Download
memory/3268-55-0x0000000000000000-mapping.dmp

Download
memory/3268-56-0x0000000000000000-mapping.dmp

Download
memory/3268-57-0x0000000000000000-mapping.dmp

Download
memory/3268-93-0x00000000069D0000-0x00000000069D1000-memory.dmp

Filesize
4KB

Download
memory/3268-59-0x0000000000000000-mapping.dmp

Download
memory/3268-60-0x0000000000000000-mapping.dmp

Download
memory/3268-61-0x0000000000000000-mapping.dmp

Download
memory/3268-62-0x0000000000000000-mapping.dmp

Download
memory/3268-89-0x00000000043F0000-0x00000000043F1000-memory.dmp

Filesize
4KB

Download
memory/3268-87-0x0000000006FF0000-0x0000000006FF1000-memory.dmp

Filesize
4KB

Download
memory/3268-85-0x0000000004310000-0x0000000004332000-memory.dmp

Filesize
136KB

Download
memory/3268-70-0x0000000000000000-mapping.dmp

Download
memory/3268-84-0x0000000006AF0000-0x0000000006AF1000-memory.dmp

Filesize
4KB

Download
memory/3268-71-0x0000000000000000-mapping.dmp

Download
memory/3268-74-0x0000000000000000-mapping.dmp

Download
memory/3268-73-0x0000000000000000-mapping.dmp

Download
memory/3268-80-0x0000000004080000-0x00000000040A4000-memory.dmp

Filesize
144KB

Download
memory/3268-76-0x0000000000000000-mapping.dmp

Download
memory/3268-77-0x0000000000000000-mapping.dmp

Download
memory/3268-78-0x0000000000000000-mapping.dmp

Download
memory/3268-79-0x0000000000000000-mapping.dmp

Download
memory/3372-0-0x000000000263B000-0x000000000263D000-memory.dmp

Filesize
8KB

Download
memory/3372-1-0x00000000040C0000-0x00000000040C1000-memory.dmp

Filesize
4KB

Download
memory/3452-17-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-28-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-18-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-22-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-19-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-11-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-23-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-6-0x00000000045F0000-0x00000000045F1000-memory.dmp

Filesize
4KB

Download
memory/3452-24-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-25-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-26-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-27-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-12-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-13-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-14-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-15-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-16-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-29-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-21-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3452-20-0x00000000046F0000-0x00000000046F1000-memory.dmp

Filesize
4KB

Download
memory/3880-2-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/3880-3-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/3880-5-0x00000000050A0000-0x00000000050A1000-memory.dmp

Filesize
4KB

Download
memory/4052-50-0x0000000004D60000-0x0000000004D61000-memory.dmp

Filesize
4KB

Download
memory/4052-51-0x0000000004D60000-0x0000000004D61000-memory.dmp

Filesize
4KB

Download
memory/4052-58-0x0000000005290000-0x0000000005291000-memory.dmp

Filesize
4KB

Download
memory/4076-81-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

Filesize
4KB

Download
memory/4080-34-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Filesize
4KB

Download
memory/4080-37-0x00000000053F0000-0x00000000053F1000-memory.dmp

Filesize
4KB

Download