redline | fc0a70936e6485ae0ce312ce6ff394d0d21759de4bc9ea9b5e01544d951535c2

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13-05-2024 10:00

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General

Target

c37c4fe673daf8c4e8e21c607e393cc10eaf650294d08cb4f702da5fa23f0eeb.exe
Size

488KB
MD5

e2f1945db2d8b09ce0863f06b10793fb
SHA1

d4097df537b990222d4b7b01661ea99167026b7d
SHA256

c37c4fe673daf8c4e8e21c607e393cc10eaf650294d08cb4f702da5fa23f0eeb
SHA512

f4d9ef38bfc3688b57042c3a186c34e142f8ca475669f6ec9a1d817c957f7809de26514fd40e27236080e8faf4569b64950e823f401175064161f13fa377123b
SSDEEP

6144:Kiy+bnr+5p0yN90QEkK5LnkW4nZNMlb235upK9zNDUWLIoma0AqSzF1LiCHpjZ70:WMrty90p5Ltw5upKz9G4fz5pXmLmVU

Score

10^/10

redline mixa evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mixa

185.161.248.75:4132

Attributes

auth_value
9d14534b25ac495ab25b59800acf3bb2

Signatures

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

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a0012094.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a0012094.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a0012094.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a0012094.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a0012094.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a0012094.exe

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral16/files/0x000700000002342d-52.dat	family_redline
behavioral16/memory/2396-54-0x00000000003E0000-0x000000000040E000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
8	v4735856.exe
4984	a0012094.exe
2396	b2322361.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a0012094.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a0012094.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

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\\\""	c37c4fe673daf8c4e8e21c607e393cc10eaf650294d08cb4f702da5fa23f0eeb.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\\\""	v4735856.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4984	a0012094.exe
4984	a0012094.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4984	a0012094.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 8	732	c37c4fe673daf8c4e8e21c607e393cc10eaf650294d08cb4f702da5fa23f0eeb.exe	81
PID 732 wrote to memory of 8	732	c37c4fe673daf8c4e8e21c607e393cc10eaf650294d08cb4f702da5fa23f0eeb.exe	81
PID 732 wrote to memory of 8	732	c37c4fe673daf8c4e8e21c607e393cc10eaf650294d08cb4f702da5fa23f0eeb.exe	81
PID 8 wrote to memory of 4984	8	v4735856.exe	82
PID 8 wrote to memory of 4984	8	v4735856.exe	82
PID 8 wrote to memory of 4984	8	v4735856.exe	82
PID 8 wrote to memory of 2396	8	v4735856.exe	89
PID 8 wrote to memory of 2396	8	v4735856.exe	89
PID 8 wrote to memory of 2396	8	v4735856.exe	89

C:\Users\Admin\AppData\Local\Temp\c37c4fe673daf8c4e8e21c607e393cc10eaf650294d08cb4f702da5fa23f0eeb.exe
"C:\Users\Admin\AppData\Local\Temp\c37c4fe673daf8c4e8e21c607e393cc10eaf650294d08cb4f702da5fa23f0eeb.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:732
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4735856.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4735856.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:8
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a0012094.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a0012094.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4984
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2322361.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2322361.exe
    3⤵
    - Executes dropped EXE
    PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4735856.exe

Filesize
316KB

MD5
fe1bb28d0349dfee295ebf04f2386e84

SHA1
72832da74faad4fa5f18e50686b6dcf8f9d0ee40

SHA256
8c353f0df6bfb644231a74ec868171b73832da284cdb33323f0dec9ee49bf816

SHA512
08276e96aa5e2040828a55ed56c421182013abfe2fdf2e2b207358c6b014e67ad14c685e8282e2966449d6d6b434597f42206a7ae5c8364a3c7c1e585aa319fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a0012094.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b2322361.exe

Filesize
168KB

MD5
31aa20c73402e6820297f614b431c1da

SHA1
29d48562e14e5091f65ffcfac64ce179734fb57f

SHA256
82878507c19a7a5f086ccf3a02e25978d2320814b08545eccb8e77428b34f7d7

SHA512
3ddd6cf348c8a581f0fdb2808de1cfd0e405bef8d1352ef0006ccfd3c0f6b00ae02e76bc92c96a73702a5bdd7177d30231666ed34de13b7531d09c5e388e5408

Download Submit
memory/2396-60-0x0000000004710000-0x000000000475C000-memory.dmp

Filesize
304KB

Download
memory/2396-59-0x000000000A320000-0x000000000A35C000-memory.dmp

Filesize
240KB

Download
memory/2396-58-0x000000000A2C0000-0x000000000A2D2000-memory.dmp

Filesize
72KB

Download
memory/2396-57-0x000000000A390000-0x000000000A49A000-memory.dmp

Filesize
1.0MB

Download
memory/2396-56-0x000000000A830000-0x000000000AE48000-memory.dmp

Filesize
6.1MB

Download
memory/2396-55-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/2396-54-0x00000000003E0000-0x000000000040E000-memory.dmp

Filesize
184KB

Download
memory/4984-30-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-22-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-40-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-36-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-34-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-32-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-44-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-28-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-26-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-48-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4984-24-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-42-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-20-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-19-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-50-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4984-47-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4984-46-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-39-0x00000000049A0000-0x00000000049B6000-memory.dmp

Filesize
88KB

Download
memory/4984-18-0x00000000049A0000-0x00000000049BC000-memory.dmp

Filesize
112KB

Download
memory/4984-17-0x0000000004AD0000-0x0000000005074000-memory.dmp

Filesize
5.6MB

Download
memory/4984-16-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4984-15-0x0000000002060000-0x000000000207E000-memory.dmp

Filesize
120KB

Download
memory/4984-14-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download