redline | f261bc8bcc49c8f8271e470cec54f67ce5d2151035834bc42890b38387d42a49

Analysis

max time kernel
184s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05/05/2023, 20:28

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General

Target

f261bc8bcc49c8f8271e470cec54f67ce5d2151035834bc42890b38387d42a49.exe
Size

562KB
MD5

8bae4f05a63ccca91807d7e12eb48a31
SHA1

3b49957df7468492153073e2b9254fff39b7190e
SHA256

f261bc8bcc49c8f8271e470cec54f67ce5d2151035834bc42890b38387d42a49
SHA512

fa0db01270dfe278ee607c22f5cd93e7ed867e434b7a0dd9278742e9491fcd6b6a24138a8a5071ffcfd748896a97fa99226a8dd7a1652e57e44e0fc752b740c3
SSDEEP

12288:py9025yhrNmB8ODyDYD8egdjRIo7cpas01G:pyJNRSYD8e+jWj8s0g

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/2440-951-0x0000000009F10000-0x000000000A528000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	96958613.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	96958613.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	96958613.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	96958613.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	96958613.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	96958613.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
4044	st791425.exe
3200	96958613.exe
2440	kp435447.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"	96958613.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	f261bc8bcc49c8f8271e470cec54f67ce5d2151035834bc42890b38387d42a49.exe
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\\\""	f261bc8bcc49c8f8271e470cec54f67ce5d2151035834bc42890b38387d42a49.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	st791425.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\\\""	st791425.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3200	96958613.exe
3200	96958613.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3200	96958613.exe
Token: SeDebugPrivilege	2440	kp435447.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 4044	2128	f261bc8bcc49c8f8271e470cec54f67ce5d2151035834bc42890b38387d42a49.exe	84
PID 2128 wrote to memory of 4044	2128	f261bc8bcc49c8f8271e470cec54f67ce5d2151035834bc42890b38387d42a49.exe	84
PID 2128 wrote to memory of 4044	2128	f261bc8bcc49c8f8271e470cec54f67ce5d2151035834bc42890b38387d42a49.exe	84
PID 4044 wrote to memory of 3200	4044	st791425.exe	85
PID 4044 wrote to memory of 3200	4044	st791425.exe	85
PID 4044 wrote to memory of 2440	4044	st791425.exe	87
PID 4044 wrote to memory of 2440	4044	st791425.exe	87
PID 4044 wrote to memory of 2440	4044	st791425.exe	87

C:\Users\Admin\AppData\Local\Temp\f261bc8bcc49c8f8271e470cec54f67ce5d2151035834bc42890b38387d42a49.exe
"C:\Users\Admin\AppData\Local\Temp\f261bc8bcc49c8f8271e470cec54f67ce5d2151035834bc42890b38387d42a49.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st791425.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st791425.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4044
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\96958613.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\96958613.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3200
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp435447.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp435447.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2440

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st791425.exe

Filesize
408KB

MD5
65b66aac5d5f153e974b09df6f74be61

SHA1
65fb6a474bd51bba7df36a9108e3460ae09ddb49

SHA256
14ddac6f61ccd3090ed445422e1e0d9f98255ca925a5b8ad44f776f3eee02385

SHA512
2cd9514169485576ff500c93a2b5cefe737fc4a7a6d75ef4cbe3cbce2709c82ecb53da4444af4de7ff41d6a6f55917c51a0092cd2b31dc57c29933981c429a8a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st791425.exe

Filesize
408KB

MD5
65b66aac5d5f153e974b09df6f74be61

SHA1
65fb6a474bd51bba7df36a9108e3460ae09ddb49

SHA256
14ddac6f61ccd3090ed445422e1e0d9f98255ca925a5b8ad44f776f3eee02385

SHA512
2cd9514169485576ff500c93a2b5cefe737fc4a7a6d75ef4cbe3cbce2709c82ecb53da4444af4de7ff41d6a6f55917c51a0092cd2b31dc57c29933981c429a8a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\96958613.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\96958613.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp435447.exe

Filesize
360KB

MD5
9ca3806b4fe3a60c908c509878f2431e

SHA1
3f9eded7326f64d42b7b8f7719dade5eac0207b3

SHA256
0f452269eeea6a8d8269b305dd3472a74c4f0693a30ca061f84860b80dbf561c

SHA512
333079379dd6472d202579cdfac78b74046ea77809744f931466f31dda5c22b5a22ee890ca04fd5543085cb3c7a08226392ce60bb5e89863d02f4bc0a5b61797

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp435447.exe

Filesize
360KB

MD5
9ca3806b4fe3a60c908c509878f2431e

SHA1
3f9eded7326f64d42b7b8f7719dade5eac0207b3

SHA256
0f452269eeea6a8d8269b305dd3472a74c4f0693a30ca061f84860b80dbf561c

SHA512
333079379dd6472d202579cdfac78b74046ea77809744f931466f31dda5c22b5a22ee890ca04fd5543085cb3c7a08226392ce60bb5e89863d02f4bc0a5b61797

Download Submit
memory/2440-184-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-190-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-154-0x0000000002BD0000-0x0000000002C16000-memory.dmp

Filesize
280KB

Download
memory/2440-155-0x0000000007250000-0x0000000007260000-memory.dmp

Filesize
64KB

Download
memory/2440-157-0x0000000007260000-0x0000000007804000-memory.dmp

Filesize
5.6MB

Download
memory/2440-159-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-162-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-164-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-160-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-166-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-168-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-172-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-170-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-174-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-176-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-178-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-180-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-182-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-958-0x0000000007250000-0x0000000007260000-memory.dmp

Filesize
64KB

Download
memory/2440-186-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-188-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-153-0x0000000000400000-0x0000000002BC3000-memory.dmp

Filesize
39.8MB

Download
memory/2440-192-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-194-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-196-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-198-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-200-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-202-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-204-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-206-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-208-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-210-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-212-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-214-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-216-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-218-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/2440-951-0x0000000009F10000-0x000000000A528000-memory.dmp

Filesize
6.1MB

Download
memory/2440-952-0x000000000A5A0000-0x000000000A5B2000-memory.dmp

Filesize
72KB

Download
memory/2440-954-0x000000000A5C0000-0x000000000A6CA000-memory.dmp

Filesize
1.0MB

Download
memory/2440-955-0x000000000A6E0000-0x000000000A71C000-memory.dmp

Filesize
240KB

Download
memory/2440-956-0x0000000007250000-0x0000000007260000-memory.dmp

Filesize
64KB

Download
memory/3200-147-0x0000000000CA0000-0x0000000000CAA000-memory.dmp

Filesize
40KB

Download