healer | 19ef966a051fb80a7e9a4c226171784888184c9e12f75a8cc5d88da9ecab375f

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2024 15:11

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General

Target

0a65c977910ca28680d005dc6473013f3db66862b80fc54be76caaa774022bd1.exe
Size

864KB
MD5

c86ea9744ea3cca905b7657585568de6
SHA1

ba018b2d08a84d2e411b27e314cb8a23a06865f8
SHA256

0a65c977910ca28680d005dc6473013f3db66862b80fc54be76caaa774022bd1
SHA512

720bb844157dddb335fd3660b32ee9bec30ae3853fe5b26d3194ea517481a9f6b265b977e5d8bbbc92316f7ed9d173380192d93ab3b4fe2521d26462798c05b8
SSDEEP

12288:9MrBy90lDtGyHT69dmXPVxG0IYjxSkZiUnt6YdipFOj47Ec0yWLcp6pSa8YmZ41:kyQtGyHh9xV5QFpQj4T0HLc5NtO

Score

10^/10

healer redline kira dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

kira

77.91.68.48:19071

Attributes

auth_value
1677a40fd8997eb89377e1681911e9c6

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral2/memory/2596-14-0x00000000004F0000-0x00000000004FA000-memory.dmp	healer
behavioral2/memory/2596-19-0x0000000000400000-0x0000000000412000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

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\DisableScanOnRealtimeEnable = "1"	k8233586.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k8233586.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k8233586.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k8233586.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k8233586.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k8233586.exe

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral2/memory/832-26-0x0000000000440000-0x0000000000470000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
3608	y2246758.exe
2596	k8233586.exe
832	l6911492.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	k8233586.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k8233586.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\\\""	0a65c977910ca28680d005dc6473013f3db66862b80fc54be76caaa774022bd1.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\\\""	y2246758.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2596	k8233586.exe
2596	k8233586.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	k8233586.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 3608	2672	0a65c977910ca28680d005dc6473013f3db66862b80fc54be76caaa774022bd1.exe	83
PID 2672 wrote to memory of 3608	2672	0a65c977910ca28680d005dc6473013f3db66862b80fc54be76caaa774022bd1.exe	83
PID 2672 wrote to memory of 3608	2672	0a65c977910ca28680d005dc6473013f3db66862b80fc54be76caaa774022bd1.exe	83
PID 3608 wrote to memory of 2596	3608	y2246758.exe	84
PID 3608 wrote to memory of 2596	3608	y2246758.exe	84
PID 3608 wrote to memory of 2596	3608	y2246758.exe	84
PID 3608 wrote to memory of 832	3608	y2246758.exe	94
PID 3608 wrote to memory of 832	3608	y2246758.exe	94
PID 3608 wrote to memory of 832	3608	y2246758.exe	94

C:\Users\Admin\AppData\Local\Temp\0a65c977910ca28680d005dc6473013f3db66862b80fc54be76caaa774022bd1.exe
"C:\Users\Admin\AppData\Local\Temp\0a65c977910ca28680d005dc6473013f3db66862b80fc54be76caaa774022bd1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2246758.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2246758.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3608
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k8233586.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k8233586.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2596
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6911492.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6911492.exe
    3⤵
    - Executes dropped EXE
    PID:832

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\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2246758.exe

Filesize
681KB

MD5
b9279e968f91da41144a000ef5b42321

SHA1
e5a9ec6cad2c292cc362faa3e0f0fc41c5d6ef09

SHA256
feec5c272e7bff5aded15e4b7ae393595d187d66a0e01dfe96725e6a7728d903

SHA512
3c1426808507a715a57506b5efbc23417f06692b184268f9ebe0ad6d3fa5ae6d77cb8d2ec36e94277e42c2d511d84d5b179801504eacb4f51b4c20788948216d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k8233586.exe

Filesize
530KB

MD5
b486d0327ac3e8df771fc57d1c8f9eb4

SHA1
6927a5271caa1f8afbadb32349dcc7cbef0a9e78

SHA256
7880cdc9c1da87ac1af30b59f7ca066ed7df4e138dd1925e5324e84f2e643465

SHA512
0b47fdc861de16a959392e82bf8e0f9a45b9413a1aea7244a9de0bf37871f03f7483bb0cdc487b2c87fb7059c458ce868196268c48300157d148aaafcfc98351

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6911492.exe

Filesize
691KB

MD5
f2f15ebacc353c878213af99699b34dc

SHA1
716a391fd178103c1745c6513b79130db386e77f

SHA256
2f48dce96a3a36a28a789c89629fc818702a5ba0f3f29e3380a6ff81ddb9d96a

SHA512
51632819df0db968445475defdd17e0d5b2226ea7c102edaf17ced6c4f19fd3eaeb748e732a16876cd9ca0500bcadf7d2214be9ece4a903b1f8e2ad78138e9e8

Download Submit
memory/832-31-0x0000000009FA0000-0x000000000A5B8000-memory.dmp

Filesize
6.1MB

Download
memory/832-26-0x0000000000440000-0x0000000000470000-memory.dmp

Filesize
192KB

Download
memory/832-30-0x0000000002420000-0x0000000002426000-memory.dmp

Filesize
24KB

Download
memory/832-32-0x000000000A640000-0x000000000A74A000-memory.dmp

Filesize
1.0MB

Download
memory/832-33-0x000000000A780000-0x000000000A792000-memory.dmp

Filesize
72KB

Download
memory/832-34-0x000000000A7A0000-0x000000000A7DC000-memory.dmp

Filesize
240KB

Download
memory/832-35-0x0000000002460000-0x00000000024AC000-memory.dmp

Filesize
304KB

Download
memory/2596-19-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2596-18-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2596-14-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download