healer | 0a65c977910ca28680d005dc6473013f3db66862b80fc54be76caaa774022bd1

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2023, 16:04

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General

Target
c86ea9744ea3cca905b7657585568de6.exe
Size 864KB
Sample230710-thw9kada2y
SHA256 0a65c977910ca28680d005dc6473013f3db66862b80fc54be76caaa774022bd1
MD5 c86ea9744ea3cca905b7657585568de6
SHA1 ba018b2d08a84d2e411b27e314cb8a23a06865f8
SHA512 720bb844157dddb335fd3660b32ee9bec30ae3853fe5b26d3194ea517481a9f6b265b977e5d8bbbc92316f7ed9d173380192d93ab3b4fe2521d26462798c05b8
SSDEEP 12288:9MrBy90lDtGyHT69dmXPVxG0IYjxSkZiUnt6YdipFOj47Ec0yWLcp6pSa8YmZ41:kyQtGyHh9xV5QFpQj4T0HLc5NtO
MD5 SHA1 SHA512 SSDEEP

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 1 IoCs

resource	yara_rule
behavioral2/memory/4392-147-0x00000000001F0000-0x00000000001FA000-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

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k8233586.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
4844	y2246758.exe
4392	k8233586.exe
3764	l6911492.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	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 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	c86ea9744ea3cca905b7657585568de6.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\\\""	c86ea9744ea3cca905b7657585568de6.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y2246758.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
4392	k8233586.exe
4392	k8233586.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4392	k8233586.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 4844	1188	c86ea9744ea3cca905b7657585568de6.exe	83
PID 1188 wrote to memory of 4844	1188	c86ea9744ea3cca905b7657585568de6.exe	83
PID 1188 wrote to memory of 4844	1188	c86ea9744ea3cca905b7657585568de6.exe	83
PID 4844 wrote to memory of 4392	4844	y2246758.exe	84
PID 4844 wrote to memory of 4392	4844	y2246758.exe	84
PID 4844 wrote to memory of 4392	4844	y2246758.exe	84
PID 4844 wrote to memory of 3764	4844	y2246758.exe	86
PID 4844 wrote to memory of 3764	4844	y2246758.exe	86
PID 4844 wrote to memory of 3764	4844	y2246758.exe	86

C:\Users\Admin\AppData\Local\Temp\c86ea9744ea3cca905b7657585568de6.exe
"C:\Users\Admin\AppData\Local\Temp\c86ea9744ea3cca905b7657585568de6.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1188
- 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:4844
- - 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:4392
- - 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:3764

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

System.dll.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log
Size 226B
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
MD5 SHA1 SHA512

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y2246758.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2246758.exe
Size 681KB
SHA256 feec5c272e7bff5aded15e4b7ae393595d187d66a0e01dfe96725e6a7728d903
MD5 b9279e968f91da41144a000ef5b42321
SHA1 e5a9ec6cad2c292cc362faa3e0f0fc41c5d6ef09
SHA512 3c1426808507a715a57506b5efbc23417f06692b184268f9ebe0ad6d3fa5ae6d77cb8d2ec36e94277e42c2d511d84d5b179801504eacb4f51b4c20788948216d
SSDEEP 12288:xMrjy90dmoPkbGRIYjNSzyisntudYKpFMjoYE70YFLcp6ZSa7:CyItNMu03p2jon0ULcVg
MD5 SHA1 SHA512 SSDEEP

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y2246758.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2246758.exe
Size 681KB
SHA256 feec5c272e7bff5aded15e4b7ae393595d187d66a0e01dfe96725e6a7728d903
MD5 b9279e968f91da41144a000ef5b42321
SHA1 e5a9ec6cad2c292cc362faa3e0f0fc41c5d6ef09
SHA512 3c1426808507a715a57506b5efbc23417f06692b184268f9ebe0ad6d3fa5ae6d77cb8d2ec36e94277e42c2d511d84d5b179801504eacb4f51b4c20788948216d
SSDEEP 12288:xMrjy90dmoPkbGRIYjNSzyisntudYKpFMjoYE70YFLcp6ZSa7:CyItNMu03p2jon0ULcVg
MD5 SHA1 SHA512 SSDEEP

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k8233586.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k8233586.exe
Size 530KB
SHA256 7880cdc9c1da87ac1af30b59f7ca066ed7df4e138dd1925e5324e84f2e643465
MD5 b486d0327ac3e8df771fc57d1c8f9eb4
SHA1 6927a5271caa1f8afbadb32349dcc7cbef0a9e78
SHA512 0b47fdc861de16a959392e82bf8e0f9a45b9413a1aea7244a9de0bf37871f03f7483bb0cdc487b2c87fb7059c458ce868196268c48300157d148aaafcfc98351
SSDEEP 12288:3XiICSVtg0wBW3iFt4ONq30/4St2NBd0JoLdaoi9Bbk:HBbVTb34k30/8dRi9
MD5 SHA1 SHA512 SSDEEP

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k8233586.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k8233586.exe
Size 530KB
SHA256 7880cdc9c1da87ac1af30b59f7ca066ed7df4e138dd1925e5324e84f2e643465
MD5 b486d0327ac3e8df771fc57d1c8f9eb4
SHA1 6927a5271caa1f8afbadb32349dcc7cbef0a9e78
SHA512 0b47fdc861de16a959392e82bf8e0f9a45b9413a1aea7244a9de0bf37871f03f7483bb0cdc487b2c87fb7059c458ce868196268c48300157d148aaafcfc98351
SSDEEP 12288:3XiICSVtg0wBW3iFt4ONq30/4St2NBd0JoLdaoi9Bbk:HBbVTb34k30/8dRi9
MD5 SHA1 SHA512 SSDEEP

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l6911492.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6911492.exe
Size 691KB
SHA256 2f48dce96a3a36a28a789c89629fc818702a5ba0f3f29e3380a6ff81ddb9d96a
MD5 f2f15ebacc353c878213af99699b34dc
SHA1 716a391fd178103c1745c6513b79130db386e77f
SHA512 51632819df0db968445475defdd17e0d5b2226ea7c102edaf17ced6c4f19fd3eaeb748e732a16876cd9ca0500bcadf7d2214be9ece4a903b1f8e2ad78138e9e8
SSDEEP 12288:sw3zk2EJiICSVtg0wBW3iFt4ONq30/4St2NBd0JoLdaoi9Bbk:swDkNJBbVTb34k30/8dRi9
MD5 SHA1 SHA512 SSDEEP

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l6911492.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6911492.exe
Size 691KB
SHA256 2f48dce96a3a36a28a789c89629fc818702a5ba0f3f29e3380a6ff81ddb9d96a
MD5 f2f15ebacc353c878213af99699b34dc
SHA1 716a391fd178103c1745c6513b79130db386e77f
SHA512 51632819df0db968445475defdd17e0d5b2226ea7c102edaf17ced6c4f19fd3eaeb748e732a16876cd9ca0500bcadf7d2214be9ece4a903b1f8e2ad78138e9e8
SSDEEP 12288:sw3zk2EJiICSVtg0wBW3iFt4ONq30/4St2NBd0JoLdaoi9Bbk:swDkNJBbVTb34k30/8dRi9
MD5 SHA1 SHA512 SSDEEP

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memory/3764-156-0x0000000000560000-0x0000000000590000-memory.dmp

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memory/3764-161-0x0000000004BB0000-0x00000000051C8000-memory.dmp

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memory/3764-162-0x00000000051F0000-0x00000000052FA000-memory.dmp

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memory/3764-163-0x0000000005330000-0x0000000005342000-memory.dmp

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memory/3764-164-0x0000000005350000-0x000000000538C000-memory.dmp

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memory/3764-165-0x00000000049A0000-0x00000000049B0000-memory.dmp

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memory/3764-166-0x00000000049A0000-0x00000000049B0000-memory.dmp

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memory/4392-147-0x00000000001F0000-0x00000000001FA000-memory.dmp

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