healer | 37bd2813841bfa46baf7268bbdc7869e7c6c81a8a1b90996ed0b4457a8d0c8a7

General

Target

37bd2813841bfa46baf7268bbdc7869e7c6c81a8a1b90996ed0b4457a8d0c8a7.exe
Size

376KB
MD5

fcefe70448bda3d8052a3ab61f1e9434
SHA1

170057b13de6ee79d56c5cc314540df5a5970413
SHA256

37bd2813841bfa46baf7268bbdc7869e7c6c81a8a1b90996ed0b4457a8d0c8a7
SHA512

ff98870f57c8460461952f173204131d71b87658808eff4b5fdd1d4153f5c6c648ab4200f8528d74db5cf8e5409ab4e4ee19bb21ce55777e4de917aef390d13b
SSDEEP

6144:Kgy+bnr+hp0yN90QExjpUknepEihmZyHWuP0rq/6te4EoydqXvd7C8vm:8MrZy90bpNWXHP0rq5owq17C8O

Score

10^/10

healer redline discovery dropper evasion infostealer persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023c8b-12.dat	healer
behavioral1/memory/2280-15-0x00000000006A0000-0x00000000006AA000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k7464455.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k7464455.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k7464455.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k7464455.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	k7464455.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k7464455.exe

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0007000000023c8c-19.dat	family_redline
behavioral1/memory/792-21-0x0000000000CE0000-0x0000000000D08000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
4392	y0077938.exe
2280	k7464455.exe
792	l3352361.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	k7464455.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	y0077938.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\\\""	37bd2813841bfa46baf7268bbdc7869e7c6c81a8a1b90996ed0b4457a8d0c8a7.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	37bd2813841bfa46baf7268bbdc7869e7c6c81a8a1b90996ed0b4457a8d0c8a7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y0077938.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l3352361.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2280	k7464455.exe
2280	k7464455.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	k7464455.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 4392	3548	37bd2813841bfa46baf7268bbdc7869e7c6c81a8a1b90996ed0b4457a8d0c8a7.exe	86
PID 3548 wrote to memory of 4392	3548	37bd2813841bfa46baf7268bbdc7869e7c6c81a8a1b90996ed0b4457a8d0c8a7.exe	86
PID 3548 wrote to memory of 4392	3548	37bd2813841bfa46baf7268bbdc7869e7c6c81a8a1b90996ed0b4457a8d0c8a7.exe	86
PID 4392 wrote to memory of 2280	4392	y0077938.exe	87
PID 4392 wrote to memory of 2280	4392	y0077938.exe	87
PID 4392 wrote to memory of 792	4392	y0077938.exe	96
PID 4392 wrote to memory of 792	4392	y0077938.exe	96
PID 4392 wrote to memory of 792	4392	y0077938.exe	96

C:\Users\Admin\AppData\Local\Temp\37bd2813841bfa46baf7268bbdc7869e7c6c81a8a1b90996ed0b4457a8d0c8a7.exe
"C:\Users\Admin\AppData\Local\Temp\37bd2813841bfa46baf7268bbdc7869e7c6c81a8a1b90996ed0b4457a8d0c8a7.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0077938.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0077938.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4392
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7464455.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7464455.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2280
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3352361.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3352361.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:792

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\Temp\IXP000.TMP\y0077938.exe

Filesize
204KB

MD5
cd40f46fef05bd763f3137ed484d42b1

SHA1
f2ddee50f986feb3de47983a0d2ce201dfcaaa2b

SHA256
8404c7a1463e2200b59c9e35e2caf63e40ca70a8c64a05dbc8d061cbd7f64228

SHA512
bc1b38d4f002ce87f7c1667fc6e84df0b23f28b2f9c1844d0d8f817cc0792fc90a8017fb456fa3b939b9869fe1900f5d5620dc5f0a6d7052f8d94ae779a97175

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k7464455.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3352361.exe

Filesize
136KB

MD5
8f30f7f88229560306c5959c605316de

SHA1
36f26a905a9743f6dd1608e39b37d1116cafcc0a

SHA256
3a616b322cc7ca87e349b8ceabb92062ed0388308d1f9221e9cdb6f65c86b6f7

SHA512
267d0f3954c416dc994e3c3e6790f6997598b71fdb7172e87265b31b7593fb29e9eb4cc295a38b969d1f2aa131b5a67525e0f4bb51a61a3dd82b7c63b867f9a0

Download Submit
memory/792-21-0x0000000000CE0000-0x0000000000D08000-memory.dmp

Filesize
160KB

Download
memory/792-22-0x00000000080F0000-0x0000000008708000-memory.dmp

Filesize
6.1MB

Download
memory/792-23-0x0000000007B70000-0x0000000007B82000-memory.dmp

Filesize
72KB

Download
memory/792-24-0x0000000007CA0000-0x0000000007DAA000-memory.dmp

Filesize
1.0MB

Download
memory/792-25-0x0000000007BD0000-0x0000000007C0C000-memory.dmp

Filesize
240KB

Download
memory/792-26-0x0000000005180000-0x00000000051CC000-memory.dmp

Filesize
304KB

Download
memory/2280-14-0x00007FFCC5BC3000-0x00007FFCC5BC5000-memory.dmp

Filesize
8KB

Download
memory/2280-15-0x00000000006A0000-0x00000000006AA000-memory.dmp

Filesize
40KB

Download
memory/2280-16-0x00007FFCC5BC3000-0x00007FFCC5BC5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads