healer | 65c758ae3a7552d5e41a153fe2dc8af896269ede3fedb6e653d815505ff372ad

General

Target

7b76520e2f364efdf2d3ee2d6.exe
Size

528KB
MD5

7b76520e2f364efdf2d3ee2d632ce92b
SHA1

8eb41a2bf5318b77c68eb29573db33ce1697fd75
SHA256

65c758ae3a7552d5e41a153fe2dc8af896269ede3fedb6e653d815505ff372ad
SHA512

e29bbf0eaebe6c45f372e2fa6e5707153af0ea7680abfefebde197807b4d4b7e78e6f8b146a9d8dd79f0986f0081921f61517b2c54da3e5e6f4320c53cfe9be6
SSDEEP

12288:ShQPfveaRdnQgouHfYvCM58KOf/65hXffqH/E6kk0:ShQ3ve82gPSg+PCshZ

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/1404-153-0x00000000001F0000-0x00000000001FA000-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	k3959801.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k3959801.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k3959801.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k3959801.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k3959801.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k3959801.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
4100	y7204929.exe
1404	k3959801.exe
2428	l0096440.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	k3959801.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k3959801.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

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\\\""	7b76520e2f364efdf2d3ee2d6.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y7204929.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\\\""	y7204929.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	7b76520e2f364efdf2d3ee2d6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1404	k3959801.exe
1404	k3959801.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	k3959801.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 4100	2244	7b76520e2f364efdf2d3ee2d6.exe	85
PID 2244 wrote to memory of 4100	2244	7b76520e2f364efdf2d3ee2d6.exe	85
PID 2244 wrote to memory of 4100	2244	7b76520e2f364efdf2d3ee2d6.exe	85
PID 4100 wrote to memory of 1404	4100	y7204929.exe	86
PID 4100 wrote to memory of 1404	4100	y7204929.exe	86
PID 4100 wrote to memory of 1404	4100	y7204929.exe	86
PID 4100 wrote to memory of 2428	4100	y7204929.exe	88
PID 4100 wrote to memory of 2428	4100	y7204929.exe	88
PID 4100 wrote to memory of 2428	4100	y7204929.exe	88

C:\Users\Admin\AppData\Local\Temp\7b76520e2f364efdf2d3ee2d6.exe
"C:\Users\Admin\AppData\Local\Temp\7b76520e2f364efdf2d3ee2d6.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7204929.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7204929.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4100
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3959801.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3959801.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1404
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0096440.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0096440.exe
    3⤵
    - Executes dropped EXE
    PID:2428

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
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7204929.exe

Filesize
260KB

MD5
122e09911c41b12bc65b8a266824431d

SHA1
8968b2416993064235f5bde0ab12c7ba61d94f26

SHA256
df198973dc86bcb8e5da4512912808b78146ab1799cec9a64338fc8a7f245bad

SHA512
19f054e6b276987daac1ac43923d580d933e5c9b63d8d7419520a10384f52a73c50ef20bebd52ab67ff47113cfc9bc5126ee90e414eda2a923b0fd2a246de0cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7204929.exe

Filesize
260KB

MD5
122e09911c41b12bc65b8a266824431d

SHA1
8968b2416993064235f5bde0ab12c7ba61d94f26

SHA256
df198973dc86bcb8e5da4512912808b78146ab1799cec9a64338fc8a7f245bad

SHA512
19f054e6b276987daac1ac43923d580d933e5c9b63d8d7419520a10384f52a73c50ef20bebd52ab67ff47113cfc9bc5126ee90e414eda2a923b0fd2a246de0cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3959801.exe

Filesize
96KB

MD5
7ef7c67056ba9e2836fd6b621fa44184

SHA1
c7a4d2e2eb888709ac7c222d573c265ad6d37daa

SHA256
71bf5d3fcaf5563347fbfb9383e4bc71e9230859dd70a1a31e12ffa19b3bb841

SHA512
7b219c25ffeff09433481797c20a9e2ffde5cbf6690a6ce52998ad654db9d6c5da774f281dc2df7ad002bf416d10a165ceb97a5d19fbb110760b6d3bbc3be4b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3959801.exe

Filesize
96KB

MD5
7ef7c67056ba9e2836fd6b621fa44184

SHA1
c7a4d2e2eb888709ac7c222d573c265ad6d37daa

SHA256
71bf5d3fcaf5563347fbfb9383e4bc71e9230859dd70a1a31e12ffa19b3bb841

SHA512
7b219c25ffeff09433481797c20a9e2ffde5cbf6690a6ce52998ad654db9d6c5da774f281dc2df7ad002bf416d10a165ceb97a5d19fbb110760b6d3bbc3be4b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0096440.exe

Filesize
257KB

MD5
11876ec1eee54ebe35b4b2e67919b591

SHA1
6379414df009f6df98660a580becdfbb4c092cea

SHA256
8d19faa861a48ed9af5c5390f4943202c050fe82dfb26882a9342e9e187b9e9c

SHA512
113cb68aa0a9dd0e6ab363ac1915708a2ed840c21f3f43d2aa2cf88ffdc001815154331daa970596875b4f307eda5d1711d19bb796c419e499304c4782b2b2d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0096440.exe

Filesize
257KB

MD5
11876ec1eee54ebe35b4b2e67919b591

SHA1
6379414df009f6df98660a580becdfbb4c092cea

SHA256
8d19faa861a48ed9af5c5390f4943202c050fe82dfb26882a9342e9e187b9e9c

SHA512
113cb68aa0a9dd0e6ab363ac1915708a2ed840c21f3f43d2aa2cf88ffdc001815154331daa970596875b4f307eda5d1711d19bb796c419e499304c4782b2b2d1

Download Submit
memory/1404-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/2244-133-0x00000000007B0000-0x0000000000824000-memory.dmp

Filesize
464KB

Download
memory/2428-162-0x0000000000570000-0x00000000005A0000-memory.dmp

Filesize
192KB

Download
memory/2428-167-0x000000000A710000-0x000000000AD28000-memory.dmp

Filesize
6.1MB

Download
memory/2428-168-0x000000000A140000-0x000000000A24A000-memory.dmp

Filesize
1.0MB

Download
memory/2428-169-0x000000000A280000-0x000000000A292000-memory.dmp

Filesize
72KB

Download
memory/2428-170-0x000000000A2A0000-0x000000000A2DC000-memory.dmp

Filesize
240KB

Download
memory/2428-171-0x0000000004C20000-0x0000000004C30000-memory.dmp

Filesize
64KB

Download
memory/2428-172-0x0000000004C20000-0x0000000004C30000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads