redline | 70b6b48bf784ae6b415d3dbac1729bf59254caf128f69925063d6ea591cf9040

General

Target

70b6b48bf784ae6b415d3dbac1729bf59254caf128f69925063d6ea591cf9040.exe
Size

387KB
MD5

cee839d483ec9c78e683386fb104096a
SHA1

f488dfafead30a7418691835f7e06cce1c1ea474
SHA256

70b6b48bf784ae6b415d3dbac1729bf59254caf128f69925063d6ea591cf9040
SHA512

19e50c0c7672b191a63c7a64f14366e851633d586fc5b96fddae648895241b900aa195ef6cf91eee10f39aff8e472817ee2ee2198a9eb5b777e8cc41918c2acf
SSDEEP

6144:K4y+bnr+Jp0yN90QEBcWGxBLXJGHA3BrudQUGTnIEZRC8blbWF40B3dIDT:0Mrpy90oWGncA3BGvoICRCYlM4W3dI/

Score

10^/10

redline evasion infostealer persistence stealer trojan

Malware Config

Signatures

Detects Redline Stealer samples 1 IoCs

This rule detects the presence of Redline Stealer samples based on their unique strings.

stealer

resource	yara_rule
behavioral2/memory/5112-153-0x0000000007A60000-0x0000000008078000-memory.dmp	redline_stealer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	o8628717.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	o8628717.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	o8628717.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	o8628717.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	o8628717.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	o8628717.exe

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

Executes dropped EXE 3 IoCs

pid	Process
732	z7783855.exe
4800	o8628717.exe
5112	r3297552.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	o8628717.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	70b6b48bf784ae6b415d3dbac1729bf59254caf128f69925063d6ea591cf9040.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	z7783855.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	z7783855.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	70b6b48bf784ae6b415d3dbac1729bf59254caf128f69925063d6ea591cf9040.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4800	o8628717.exe
4800	o8628717.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4800	o8628717.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 732	3888	70b6b48bf784ae6b415d3dbac1729bf59254caf128f69925063d6ea591cf9040.exe	84
PID 3888 wrote to memory of 732	3888	70b6b48bf784ae6b415d3dbac1729bf59254caf128f69925063d6ea591cf9040.exe	84
PID 3888 wrote to memory of 732	3888	70b6b48bf784ae6b415d3dbac1729bf59254caf128f69925063d6ea591cf9040.exe	84
PID 732 wrote to memory of 4800	732	z7783855.exe	85
PID 732 wrote to memory of 4800	732	z7783855.exe	85
PID 732 wrote to memory of 5112	732	z7783855.exe	86
PID 732 wrote to memory of 5112	732	z7783855.exe	86
PID 732 wrote to memory of 5112	732	z7783855.exe	86

C:\Users\Admin\AppData\Local\Temp\70b6b48bf784ae6b415d3dbac1729bf59254caf128f69925063d6ea591cf9040.exe
"C:\Users\Admin\AppData\Local\Temp\70b6b48bf784ae6b415d3dbac1729bf59254caf128f69925063d6ea591cf9040.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7783855.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7783855.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:732
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\o8628717.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\o8628717.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4800
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r3297552.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r3297552.exe
    3⤵
    - Executes dropped EXE
    PID:5112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7783855.exe

Filesize
204KB

MD5
303bfb6e8fb8e82d22fb7f58a34c7e9c

SHA1
f7c6d5cfc7ccaf55233ecbc965f2666cc1bea708

SHA256
49ecc6dd1b1a2c6108a835b901d0deed7827f2b2b17f7f8141009e9ea62996b3

SHA512
a939cadf85c9a6f3ef425cddaee017145603d820934ab1edfef1f1e9679b85d86575dbd05e08076cc52dc8d82ac9e1290056dcdbddc26c402eeaf88394e6c72a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7783855.exe

Filesize
204KB

MD5
303bfb6e8fb8e82d22fb7f58a34c7e9c

SHA1
f7c6d5cfc7ccaf55233ecbc965f2666cc1bea708

SHA256
49ecc6dd1b1a2c6108a835b901d0deed7827f2b2b17f7f8141009e9ea62996b3

SHA512
a939cadf85c9a6f3ef425cddaee017145603d820934ab1edfef1f1e9679b85d86575dbd05e08076cc52dc8d82ac9e1290056dcdbddc26c402eeaf88394e6c72a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\o8628717.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\o8628717.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r3297552.exe

Filesize
136KB

MD5
c773f7c32442de812c502c64a65d5ee9

SHA1
7a17d38ad084ba2a3162f61751cb6c8a3712d993

SHA256
cf029b5dc2294a3aa6235b8b6c01e4262f305a393e8ddf8e478878694520e5da

SHA512
e70528b6742165e273e05ce97be7e13faba690ccac76740fa5f9989334d9ddad711ef2a661aa1339004fcddaa0cfcb0195fe93e88b50ec49a16a08e4bafc035e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r3297552.exe

Filesize
136KB

MD5
c773f7c32442de812c502c64a65d5ee9

SHA1
7a17d38ad084ba2a3162f61751cb6c8a3712d993

SHA256
cf029b5dc2294a3aa6235b8b6c01e4262f305a393e8ddf8e478878694520e5da

SHA512
e70528b6742165e273e05ce97be7e13faba690ccac76740fa5f9989334d9ddad711ef2a661aa1339004fcddaa0cfcb0195fe93e88b50ec49a16a08e4bafc035e

Download Submit
memory/4800-147-0x0000000000EA0000-0x0000000000EAA000-memory.dmp

Filesize
40KB

Download
memory/5112-152-0x00000000007D0000-0x00000000007F8000-memory.dmp

Filesize
160KB

Download
memory/5112-153-0x0000000007A60000-0x0000000008078000-memory.dmp

Filesize
6.1MB

Download
memory/5112-154-0x0000000007500000-0x0000000007512000-memory.dmp

Filesize
72KB

Download
memory/5112-155-0x0000000007630000-0x000000000773A000-memory.dmp

Filesize
1.0MB

Download
memory/5112-156-0x00000000075D0000-0x00000000075E0000-memory.dmp

Filesize
64KB

Download
memory/5112-157-0x0000000007560000-0x000000000759C000-memory.dmp

Filesize
240KB

Download
memory/5112-158-0x00000000075D0000-0x00000000075E0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads