healer | b3b797586f8f9ed3a694a378ab4a10899dfe9949923c84fc874e223491187773

General

Target

9a13a96bf652d9dc4b15211eea3cd290N.exe
Size

562KB
MD5

9a13a96bf652d9dc4b15211eea3cd290
SHA1

ffbbcde6a171abaa381328adffb2072ddabda9d8
SHA256

b3b797586f8f9ed3a694a378ab4a10899dfe9949923c84fc874e223491187773
SHA512

239e4bf607748a6674da2f591aafb0434906b4aefb3a701dbd9d3a81074c1840908d61ac5084b9f2abb5d8d6bca6fab0650ca900cd546986ccd54f4eb3514dc9
SSDEEP

12288:dMrmy90WKIVKrjEdUrIv7F/kS7ZbyntUh2+6a:7yhKKUro/kON6a

Score

10^/10

healer redline mucha discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mucha

C2

83.97.73.131:19071

Attributes

auth_value
5d76e123341992ecf110010eb89456f0

Signatures

Detects Healer an antivirus disabler dropper 4 IoCs

resource	yara_rule
behavioral1/memory/3400-16-0x00000000001F0000-0x00000000001FA000-memory.dmp	healer
behavioral1/memory/3400-20-0x0000000000400000-0x000000000042B000-memory.dmp	healer
behavioral1/files/0x000700000002341f-24.dat	healer
behavioral1/memory/5004-26-0x0000000000180000-0x000000000018A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 12 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\DisableIOAVProtection = "1"	a8088517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a8088517.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	b7390333.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	b7390333.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	b7390333.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	b7390333.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a8088517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a8088517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a8088517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a8088517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	b7390333.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	b7390333.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
behavioral1/memory/1840-32-0x0000000000620000-0x0000000000650000-memory.dmp	family_redline

Executes dropped EXE 4 IoCs

pid	Process
4668	v4850567.exe
3400	a8088517.exe
5004	b7390333.exe
1840	c4231546.exe

Windows security modification 2 TTPs 3 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	a8088517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a8088517.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	b7390333.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\\\""	9a13a96bf652d9dc4b15211eea3cd290N.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\\\""	v4850567.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4231546.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9a13a96bf652d9dc4b15211eea3cd290N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v4850567.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8088517.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3400	a8088517.exe
3400	a8088517.exe
5004	b7390333.exe
5004	b7390333.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3400	a8088517.exe
Token: SeDebugPrivilege	5004	b7390333.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 4668	224	9a13a96bf652d9dc4b15211eea3cd290N.exe	84
PID 224 wrote to memory of 4668	224	9a13a96bf652d9dc4b15211eea3cd290N.exe	84
PID 224 wrote to memory of 4668	224	9a13a96bf652d9dc4b15211eea3cd290N.exe	84
PID 4668 wrote to memory of 3400	4668	v4850567.exe	85
PID 4668 wrote to memory of 3400	4668	v4850567.exe	85
PID 4668 wrote to memory of 3400	4668	v4850567.exe	85
PID 4668 wrote to memory of 5004	4668	v4850567.exe	95
PID 4668 wrote to memory of 5004	4668	v4850567.exe	95
PID 224 wrote to memory of 1840	224	9a13a96bf652d9dc4b15211eea3cd290N.exe	97
PID 224 wrote to memory of 1840	224	9a13a96bf652d9dc4b15211eea3cd290N.exe	97
PID 224 wrote to memory of 1840	224	9a13a96bf652d9dc4b15211eea3cd290N.exe	97

C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe
"C:\Users\Admin\AppData\Local\Temp\9a13a96bf652d9dc4b15211eea3cd290N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:224
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4668
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3400
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7390333.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7390333.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5004
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c4231546.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c4231546.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AppLaunch.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c4231546.exe

Filesize
1.3MB

MD5
47532478e50f5e9178698442bc74db35

SHA1
b5aeed4ae7d8cadcee753ce740e07cf740f6a938

SHA256
d47e573895b0bd2d94e90fd5453e579f7572037691154585966dc119cd1a6e92

SHA512
c358fd81692edb5934c4e71f10749b32328258702d28bbd65dd0bd10d423119896cf8a1b94704b6dbff2b88ca5e6035491b45c54455b5c619b63b2e29e028a83

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4850567.exe

Filesize
227KB

MD5
62db57db57525127a579c11bd2dd5c2c

SHA1
b31ec6725e6a1356cc5a72d662d0c571d18fb450

SHA256
ac4872116927696842b68745eada0db27bb09172182deefee8e3ad78474dfad6

SHA512
bd60dacea81db32ba293d3de7539f8a7714e598de55da15ab74f48a055511c97afa43adfd01edc980c7cdee3f45b424584b98a11f3e1e80ab9d8247c08a83b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8088517.exe

Filesize
176KB

MD5
211a06e9ae68ced1234252a48696431b

SHA1
69950e2ee2fafd177d1a295836713bfd8d18df9c

SHA256
0bdca9c84103454e329cfde4e69dc41a0ec0196c078c8fc195b0fa739d2f905d

SHA512
b1643ba376075619335b4bdf0d7610aece13b7c9db60eecb508465f97ef3e6a9d5297f9ac8529886efa052cdd8814ac7d4eeab44812f797a1b2dc5fa967ee7eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7390333.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
memory/1840-37-0x0000000009F60000-0x000000000A578000-memory.dmp

Filesize
6.1MB

Download
memory/1840-32-0x0000000000620000-0x0000000000650000-memory.dmp

Filesize
192KB

Download
memory/1840-36-0x0000000004B50000-0x0000000004B56000-memory.dmp

Filesize
24KB

Download
memory/1840-38-0x000000000A5F0000-0x000000000A6FA000-memory.dmp

Filesize
1.0MB

Download
memory/1840-39-0x000000000A730000-0x000000000A742000-memory.dmp

Filesize
72KB

Download
memory/1840-40-0x000000000A750000-0x000000000A78C000-memory.dmp

Filesize
240KB

Download
memory/1840-41-0x0000000002290000-0x00000000022DC000-memory.dmp

Filesize
304KB

Download
memory/3400-20-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3400-16-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/3400-15-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3400-14-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/5004-26-0x0000000000180000-0x000000000018A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads