healer | 26e1b5dc0c6ccfb77c538bd2da023c7f1aa0a0b4b6d837c9da20195b7d3c358c

General

Target

y3733283.exe
Size

261KB
MD5

cb0c35004c805640a337da72ebe2030a
SHA1

cc1ed6e754bb890b3ce7c8407608fb8b8293e743
SHA256

26e1b5dc0c6ccfb77c538bd2da023c7f1aa0a0b4b6d837c9da20195b7d3c358c
SHA512

74dc68a176542e11f4bc3845c98f4b62992c2c61453e0e8983ec0374cd225f9c05c1e61b150f867deb52561fbb9de439b264f95a1fe9b85d30979d004ee0938d
SSDEEP

6144:Kvy+bnr+yp0yN90QEXuZuWpGi68u+mYXi0ybf:RMrmy90poOF+mWiJbf

Score

10^/10

healer redline furod dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

furod

C2

77.91.68.70:19073

Attributes

auth_value
d2386245fe11799b28b4521492a5879d

Signatures

Detects Healer an antivirus disabler dropper 1 IoCs

resource	yara_rule
behavioral2/memory/4440-129-0x00000000001D0000-0x00000000001DA000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 5 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\DisableRealtimeMonitoring = "1"	k5488530.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k5488530.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k5488530.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k5488530.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k5488530.exe

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

Executes dropped EXE 2 IoCs

pid	Process
4440	k5488530.exe
4316	l2253694.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k5488530.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k5488530.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y3733283.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\\\""	y3733283.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4440	k5488530.exe
4440	k5488530.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4440	k5488530.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 4440	5012	y3733283.exe	70
PID 5012 wrote to memory of 4440	5012	y3733283.exe	70
PID 5012 wrote to memory of 4440	5012	y3733283.exe	70
PID 5012 wrote to memory of 4316	5012	y3733283.exe	72
PID 5012 wrote to memory of 4316	5012	y3733283.exe	72
PID 5012 wrote to memory of 4316	5012	y3733283.exe	72

C:\Users\Admin\AppData\Local\Temp\y3733283.exe
"C:\Users\Admin\AppData\Local\Temp\y3733283.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k5488530.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k5488530.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4440
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l2253694.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l2253694.exe
  2⤵
  - Executes dropped EXE
  PID:4316

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log

Filesize
226B

MD5
957779c42144282d8cd83192b8fbc7cf

SHA1
de83d08d2cca06b9ff3d1ef239d6b60b705d25fe

SHA256
0d7ca7ba65e2b465e4878e324ceab8f8981f5ec06dcf5bc32559a4467a9c7d51

SHA512
f1549c61b4f2906d13b2aabb74772c2bc826cd42373d7bb6c48cbb125d5aa2ec17617e6b5e67e8aae3bb5790cc831cdba48a45008ed01df4fba8be448cce39fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k5488530.exe

Filesize
104KB

MD5
28ff84de4fbd58f9af457275278b05ea

SHA1
0696f91332febf09dd84d514d963c50e9aae658e

SHA256
b3c4bea998032b736fdeb9af69bd54578e4b36bda9546b26e2dd4f4597db6a0e

SHA512
7e92a44710cd9a2ed81919377d2e4a1ad55b405ee2c1cb24f0289aafa607a5310a17b6b0e506d251189412ad182e35b4ec7ea78013bcfec1b1b6cfa5d403ffe7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k5488530.exe

Filesize
104KB

MD5
28ff84de4fbd58f9af457275278b05ea

SHA1
0696f91332febf09dd84d514d963c50e9aae658e

SHA256
b3c4bea998032b736fdeb9af69bd54578e4b36bda9546b26e2dd4f4597db6a0e

SHA512
7e92a44710cd9a2ed81919377d2e4a1ad55b405ee2c1cb24f0289aafa607a5310a17b6b0e506d251189412ad182e35b4ec7ea78013bcfec1b1b6cfa5d403ffe7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l2253694.exe

Filesize
265KB

MD5
56f3c2c2f988d066b0a6af876fe2369c

SHA1
c41b87d444e61749c7e502cf23323cec0704f455

SHA256
6e2ae2723f3caa22c6de0851e0a7aaefbe08ab4fc83816d2c3962e37d723894d

SHA512
3f4c551ea2f0c28fef4e854b4392db251b74cfaa66a7a05e16f155396c0cc3c7d6aeed7ec6f827a767d3ae9f93b1e5e2bac7d54ebc4b1989d73c4d63f2987c5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l2253694.exe

Filesize
265KB

MD5
56f3c2c2f988d066b0a6af876fe2369c

SHA1
c41b87d444e61749c7e502cf23323cec0704f455

SHA256
6e2ae2723f3caa22c6de0851e0a7aaefbe08ab4fc83816d2c3962e37d723894d

SHA512
3f4c551ea2f0c28fef4e854b4392db251b74cfaa66a7a05e16f155396c0cc3c7d6aeed7ec6f827a767d3ae9f93b1e5e2bac7d54ebc4b1989d73c4d63f2987c5a

Download Submit
memory/4316-138-0x00000000001D0000-0x0000000000200000-memory.dmp

Filesize
192KB

Download
memory/4316-143-0x0000000004930000-0x0000000004936000-memory.dmp

Filesize
24KB

Download
memory/4316-144-0x0000000009E80000-0x000000000A486000-memory.dmp

Filesize
6.0MB

Download
memory/4316-145-0x000000000A490000-0x000000000A59A000-memory.dmp

Filesize
1.0MB

Download
memory/4316-146-0x000000000A5B0000-0x000000000A5C2000-memory.dmp

Filesize
72KB

Download
memory/4316-147-0x000000000A610000-0x000000000A64E000-memory.dmp

Filesize
248KB

Download
memory/4316-148-0x00000000049F0000-0x0000000004A00000-memory.dmp

Filesize
64KB

Download
memory/4316-149-0x000000000A680000-0x000000000A6CB000-memory.dmp

Filesize
300KB

Download
memory/4316-150-0x00000000049F0000-0x0000000004A00000-memory.dmp

Filesize
64KB

Download
memory/4440-129-0x00000000001D0000-0x00000000001DA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads