healer | e021145d0919f437a7bb604632eb3ea3b4dd8c40ca3ab9737ecdab0e8242fcf7

General

Target

e021145d0919f437a7bb604632eb3ea3b4dd8c40ca3ab9737ecdab0e8242fcf7.exe
Size

376KB
MD5

51b68f1d173023e472c3c28aa3059916
SHA1

c6d369a540d5030b00bf542db77710a94c945821
SHA256

e021145d0919f437a7bb604632eb3ea3b4dd8c40ca3ab9737ecdab0e8242fcf7
SHA512

0ffce4a35fc0e5fcc0d17be7534bd27481cbae337b73ef7ea9e4c1a3bdcdc2f4b42b9a5be03e83f90728411a569f6f7ebb789e231ea3d954524cf1a07761d626
SSDEEP

6144:Kmy+bnr+fp0yN90QEkxsNjaUwDkvSl9Q/Q9pzIzrHNn/8QnqhQQlsJm:2MrTy90WstaXDkvE9Qmp0zjeQnq/

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/0x0008000000023c9e-12.dat	healer
behavioral1/memory/3188-15-0x0000000000630000-0x000000000063A000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	k8461771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k8461771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k8461771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k8461771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k8461771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k8461771.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/0x0007000000023c9f-19.dat	family_redline
behavioral1/memory/2352-21-0x0000000000FA0000-0x0000000000FC8000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
2480	y2181766.exe
3188	k8461771.exe
2352	l4309070.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"	k8461771.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\\\""	e021145d0919f437a7bb604632eb3ea3b4dd8c40ca3ab9737ecdab0e8242fcf7.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\\\""	y2181766.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	e021145d0919f437a7bb604632eb3ea3b4dd8c40ca3ab9737ecdab0e8242fcf7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y2181766.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l4309070.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3188	k8461771.exe
3188	k8461771.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3188	k8461771.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2480	1244	e021145d0919f437a7bb604632eb3ea3b4dd8c40ca3ab9737ecdab0e8242fcf7.exe	83
PID 1244 wrote to memory of 2480	1244	e021145d0919f437a7bb604632eb3ea3b4dd8c40ca3ab9737ecdab0e8242fcf7.exe	83
PID 1244 wrote to memory of 2480	1244	e021145d0919f437a7bb604632eb3ea3b4dd8c40ca3ab9737ecdab0e8242fcf7.exe	83
PID 2480 wrote to memory of 3188	2480	y2181766.exe	84
PID 2480 wrote to memory of 3188	2480	y2181766.exe	84
PID 2480 wrote to memory of 2352	2480	y2181766.exe	92
PID 2480 wrote to memory of 2352	2480	y2181766.exe	92
PID 2480 wrote to memory of 2352	2480	y2181766.exe	92

C:\Users\Admin\AppData\Local\Temp\e021145d0919f437a7bb604632eb3ea3b4dd8c40ca3ab9737ecdab0e8242fcf7.exe
"C:\Users\Admin\AppData\Local\Temp\e021145d0919f437a7bb604632eb3ea3b4dd8c40ca3ab9737ecdab0e8242fcf7.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2181766.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2181766.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2480
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k8461771.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k8461771.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3188
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l4309070.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l4309070.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2352

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\y2181766.exe

Filesize
204KB

MD5
00fa02a77dcc6e9860364e450e448876

SHA1
70eec736ebb602d8d8be3219a344950cdcb7c3e9

SHA256
72e6df084607ea79d5b2e0ce4eeaf25b207591ed08dbd57880ae08189d5da3c9

SHA512
cd66c26e7844e0abec2740ac0257b48bd12d0ed7ad47534967fdcbc37055e6b4b6107cf58be2159517c04c2cae0c0c34946ccce3e86ebf51a2ab0f6c08e341a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k8461771.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l4309070.exe

Filesize
136KB

MD5
8f30f7f88229560306c5959c605316de

SHA1
36f26a905a9743f6dd1608e39b37d1116cafcc0a

SHA256
3a616b322cc7ca87e349b8ceabb92062ed0388308d1f9221e9cdb6f65c86b6f7

SHA512
267d0f3954c416dc994e3c3e6790f6997598b71fdb7172e87265b31b7593fb29e9eb4cc295a38b969d1f2aa131b5a67525e0f4bb51a61a3dd82b7c63b867f9a0

Download Submit
memory/2352-21-0x0000000000FA0000-0x0000000000FC8000-memory.dmp

Filesize
160KB

Download
memory/2352-22-0x00000000082B0000-0x00000000088C8000-memory.dmp

Filesize
6.1MB

Download
memory/2352-23-0x0000000007CD0000-0x0000000007CE2000-memory.dmp

Filesize
72KB

Download
memory/2352-24-0x0000000007E40000-0x0000000007F4A000-memory.dmp

Filesize
1.0MB

Download
memory/2352-25-0x0000000007D70000-0x0000000007DAC000-memory.dmp

Filesize
240KB

Download
memory/2352-26-0x0000000003190000-0x00000000031DC000-memory.dmp

Filesize
304KB

Download
memory/3188-14-0x00007FF92F233000-0x00007FF92F235000-memory.dmp

Filesize
8KB

Download
memory/3188-15-0x0000000000630000-0x000000000063A000-memory.dmp

Filesize
40KB

Download
memory/3188-16-0x00007FF92F233000-0x00007FF92F235000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads