healer | b20dc87b265c93b6666cb997a87c40df3a4d73fe7413216cd47b6c218d2408c5

General

Target

b20dc87b265c93b6666cb997a87c40df3a4d73fe7413216cd47b6c218d2408c5.exe
Size

389KB
MD5

a02e159b2a984bdb0d2d2559fba7269e
SHA1

ff9ea0c81d4d05564b71b9a735bfdc7b32ef2573
SHA256

b20dc87b265c93b6666cb997a87c40df3a4d73fe7413216cd47b6c218d2408c5
SHA512

acdca84a2deab0eeef4b7c15405f5693be9d9badae41346a8fdb7deb52d4fdea2dcc32dd237c14e2c783946cd71baf5e652fc0fa2da62467e53eca8e1bd2168d
SSDEEP

6144:Kay+bnr+zp0yN90QECc+rAA5WKkWxjZNSQRWcPFwyXAgm+Ernmzgga3lrmbkRhGy:uMrby90Ucz+QsZNkrYoh8QV

Score

10^/10

healer redline nasa dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

nasa

C2

77.91.68.68:19071

Attributes

auth_value
6da71218d8a9738ea3a9a78b5677589b

Signatures

Detects Healer an antivirus disabler dropper 3 IoCs

resource	yara_rule
behavioral1/files/0x00070000000231f2-145.dat	healer
behavioral1/files/0x00070000000231f2-146.dat	healer
behavioral1/memory/4372-147-0x0000000000730000-0x000000000073A000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	p2119255.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	p2119255.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	p2119255.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	p2119255.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	p2119255.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	p2119255.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
2348	z7078072.exe
4372	p2119255.exe
3752	r4473893.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	p2119255.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	z7078072.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\\\""	z7078072.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	b20dc87b265c93b6666cb997a87c40df3a4d73fe7413216cd47b6c218d2408c5.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\\\""	b20dc87b265c93b6666cb997a87c40df3a4d73fe7413216cd47b6c218d2408c5.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4372	p2119255.exe
4372	p2119255.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4372	p2119255.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 2348	4724	b20dc87b265c93b6666cb997a87c40df3a4d73fe7413216cd47b6c218d2408c5.exe	86
PID 4724 wrote to memory of 2348	4724	b20dc87b265c93b6666cb997a87c40df3a4d73fe7413216cd47b6c218d2408c5.exe	86
PID 4724 wrote to memory of 2348	4724	b20dc87b265c93b6666cb997a87c40df3a4d73fe7413216cd47b6c218d2408c5.exe	86
PID 2348 wrote to memory of 4372	2348	z7078072.exe	87
PID 2348 wrote to memory of 4372	2348	z7078072.exe	87
PID 2348 wrote to memory of 3752	2348	z7078072.exe	88
PID 2348 wrote to memory of 3752	2348	z7078072.exe	88
PID 2348 wrote to memory of 3752	2348	z7078072.exe	88

C:\Users\Admin\AppData\Local\Temp\b20dc87b265c93b6666cb997a87c40df3a4d73fe7413216cd47b6c218d2408c5.exe
"C:\Users\Admin\AppData\Local\Temp\b20dc87b265c93b6666cb997a87c40df3a4d73fe7413216cd47b6c218d2408c5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7078072.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7078072.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p2119255.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p2119255.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4372
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r4473893.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r4473893.exe
    3⤵
    - Executes dropped EXE
    PID:3752

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\Temp\IXP000.TMP\z7078072.exe

Filesize
206KB

MD5
4ba36568f6b78d954702e75b7a8bf45e

SHA1
ff4bc8f25dc1abaf371796c93ce806458f26a3cb

SHA256
a9820f497c7da24649bc11d6689005eb44ba277cfadaac06927e7f91a8f97b24

SHA512
41fca189ee7c7ab820e0339c8e1690bd083db387436878f1f89d6372a9f91d06bb4a90acadac893433f99173b95e056f3e0b25fc8339bee14a0536c6db384a66

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z7078072.exe

Filesize
206KB

MD5
4ba36568f6b78d954702e75b7a8bf45e

SHA1
ff4bc8f25dc1abaf371796c93ce806458f26a3cb

SHA256
a9820f497c7da24649bc11d6689005eb44ba277cfadaac06927e7f91a8f97b24

SHA512
41fca189ee7c7ab820e0339c8e1690bd083db387436878f1f89d6372a9f91d06bb4a90acadac893433f99173b95e056f3e0b25fc8339bee14a0536c6db384a66

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p2119255.exe

Filesize
14KB

MD5
b6d8535a4f01ee6353c1fc97729653b4

SHA1
46e8d22093f14941d719b0fd45ab255348de1cc0

SHA256
9764feb210d842bff640df3b406c99fe77492c0ee4cbfc22dd60d648b0ef8c1c

SHA512
732deb510f1bbf920f039311732aebc673771730b04c67a565210aaabccce4b10497863fb1599bfe320ca1a0d2964f4414b5c76f577abf840568b6b8a54d3c3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p2119255.exe

Filesize
14KB

MD5
b6d8535a4f01ee6353c1fc97729653b4

SHA1
46e8d22093f14941d719b0fd45ab255348de1cc0

SHA256
9764feb210d842bff640df3b406c99fe77492c0ee4cbfc22dd60d648b0ef8c1c

SHA512
732deb510f1bbf920f039311732aebc673771730b04c67a565210aaabccce4b10497863fb1599bfe320ca1a0d2964f4414b5c76f577abf840568b6b8a54d3c3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r4473893.exe

Filesize
173KB

MD5
92ceac1b359061b75a3d9ef94b66b3ce

SHA1
a49a59e8b7c966bd2d73f83eee85ac595be8a23b

SHA256
e581478e6e3edb9349df1d2edb60705e8f2bf19ca5d94b30630c24f4ba7b9515

SHA512
03aef779e834c61764360334bc51ab88f4655179ee4bb2ad2c61bfeab4acb57b1444a727837d9b82a23818595e4a5540010317f1288dba93826a2f695baebfc0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r4473893.exe

Filesize
173KB

MD5
92ceac1b359061b75a3d9ef94b66b3ce

SHA1
a49a59e8b7c966bd2d73f83eee85ac595be8a23b

SHA256
e581478e6e3edb9349df1d2edb60705e8f2bf19ca5d94b30630c24f4ba7b9515

SHA512
03aef779e834c61764360334bc51ab88f4655179ee4bb2ad2c61bfeab4acb57b1444a727837d9b82a23818595e4a5540010317f1288dba93826a2f695baebfc0

Download Submit
memory/3752-157-0x00000000059B0000-0x0000000005ABA000-memory.dmp

Filesize
1.0MB

Download
memory/3752-155-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/3752-154-0x0000000000F30000-0x0000000000F60000-memory.dmp

Filesize
192KB

Download
memory/3752-156-0x0000000005EC0000-0x00000000064D8000-memory.dmp

Filesize
6.1MB

Download
memory/3752-158-0x0000000005890000-0x00000000058A0000-memory.dmp

Filesize
64KB

Download
memory/3752-159-0x00000000058C0000-0x00000000058D2000-memory.dmp

Filesize
72KB

Download
memory/3752-160-0x0000000005920000-0x000000000595C000-memory.dmp

Filesize
240KB

Download
memory/3752-161-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/3752-162-0x0000000005890000-0x00000000058A0000-memory.dmp

Filesize
64KB

Download
memory/4372-150-0x00007FF8EFC10000-0x00007FF8F06D1000-memory.dmp

Filesize
10.8MB

Download
memory/4372-148-0x00007FF8EFC10000-0x00007FF8F06D1000-memory.dmp

Filesize
10.8MB

Download
memory/4372-147-0x0000000000730000-0x000000000073A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads