healer | bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3

General

Target

bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3.exe
Size

484KB
MD5

763da83ba3ac4178e3352733983989e3
SHA1

49e1e1b7a04b8d0efa26624da0611c2ba2e156f0
SHA256

bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3
SHA512

5ab05d5975e6a1b0875ac2d95a4ef10cc795110339e8b86a293ad19a6bb9e8a4fded9b33ef2095e4f83fccebe9f945fc8ad754fa14baa0f46dc6374a4a508d2b
SSDEEP

12288:5MrDy90vVxdkGWVACmSpenmIIC6t5u/ypICkgo:KyKjgVAY8/N6/NpIp

Score

10^/10

healer redline fukia discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023cc2-12.dat	healer
behavioral1/memory/1824-15-0x0000000000EE0000-0x0000000000EEA000-memory.dmp	healer
behavioral1/memory/1784-22-0x0000000002510000-0x000000000252A000-memory.dmp	healer
behavioral1/memory/1784-24-0x0000000002810000-0x0000000002828000-memory.dmp	healer
behavioral1/memory/1784-25-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-48-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-50-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-46-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-44-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-42-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-40-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-38-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-36-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-52-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-34-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-32-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-30-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-28-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1784-26-0x0000000002810000-0x0000000002822000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dLr11uj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dLr11uj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eYQ59nG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eYQ59nG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eYQ59nG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eYQ59nG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dLr11uj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dLr11uj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dLr11uj.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eYQ59nG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eYQ59nG.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dLr11uj.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/0x0007000000023cc0-57.dat	family_redline
behavioral1/memory/4660-59-0x0000000000DC0000-0x0000000000DF2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
100	nZy61HD45.exe
1824	dLr11uj.exe
1784	eYQ59nG.exe
4660	fTJ43WI.exe

Windows security modification 2 TTPs 3 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"	dLr11uj.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	eYQ59nG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eYQ59nG.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\\\""	bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3.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\\\""	nZy61HD45.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2200	1784	WerFault.exe	98

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	nZy61HD45.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eYQ59nG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fTJ43WI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1824	dLr11uj.exe
1824	dLr11uj.exe
1784	eYQ59nG.exe
1784	eYQ59nG.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1824	dLr11uj.exe
Token: SeDebugPrivilege	1784	eYQ59nG.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 100	5092	bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3.exe	85
PID 5092 wrote to memory of 100	5092	bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3.exe	85
PID 5092 wrote to memory of 100	5092	bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3.exe	85
PID 100 wrote to memory of 1824	100	nZy61HD45.exe	87
PID 100 wrote to memory of 1824	100	nZy61HD45.exe	87
PID 100 wrote to memory of 1784	100	nZy61HD45.exe	98
PID 100 wrote to memory of 1784	100	nZy61HD45.exe	98
PID 100 wrote to memory of 1784	100	nZy61HD45.exe	98
PID 5092 wrote to memory of 4660	5092	bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3.exe	109
PID 5092 wrote to memory of 4660	5092	bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3.exe	109
PID 5092 wrote to memory of 4660	5092	bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3.exe	109

C:\Users\Admin\AppData\Local\Temp\bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3.exe
"C:\Users\Admin\AppData\Local\Temp\bb339eb9775c7dc78f54a2144569cc9b01913cb7cf39de1ffe6dc7e5aa8cdcc3.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZy61HD45.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZy61HD45.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:100
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dLr11uj.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dLr11uj.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1824
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eYQ59nG.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eYQ59nG.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:1784
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 1080
      4⤵
      Program crash
      PID:2200
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fTJ43WI.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fTJ43WI.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1784 -ip 1784
1⤵
PID:4600

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\fTJ43WI.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nZy61HD45.exe

Filesize
339KB

MD5
9bc0d4cae8ee4b2b5a4a342a5d89590b

SHA1
2ea124b7489f38a9ce1036ed200cd32c27ea71d5

SHA256
b3166b864e979bc8fb4fbc5d54b92ce1deda4952e1a5839d201fc8f84f0ec016

SHA512
aedd927706a8d4c4c2f05c6d6952a7594e889c39e928abb9e9fc7b23d34c0c83e1c4c6b99da289b205ba07aa1a9250d9eb8b772dfd802231769aa59b9750ad18

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dLr11uj.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eYQ59nG.exe

Filesize
249KB

MD5
ab970bf25face7f80c360eb7d19b093c

SHA1
919fef0e22047325ee051f47a33ecb55545868ab

SHA256
432bc283c6102f32e47118ad8595c1c806cc46c34555cc302f16d2657c0e5373

SHA512
cdb97d1a80be862afce2eeed71451c5378ef6616f0152522f565cd23e65b6ec3333853767257a537f7d03c91944eb23729bff294b8250cf70e391a38ce0d411c

Download Submit
memory/1784-38-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-34-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-22-0x0000000002510000-0x000000000252A000-memory.dmp

Filesize
104KB

Download
memory/1784-23-0x0000000004E60000-0x0000000005404000-memory.dmp

Filesize
5.6MB

Download
memory/1784-24-0x0000000002810000-0x0000000002828000-memory.dmp

Filesize
96KB

Download
memory/1784-25-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-48-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-50-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-46-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-44-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-42-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-40-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-55-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/1784-36-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-52-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-53-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/1784-32-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-30-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-28-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1784-26-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1824-16-0x00007FF9757A3000-0x00007FF9757A5000-memory.dmp

Filesize
8KB

Download
memory/1824-15-0x0000000000EE0000-0x0000000000EEA000-memory.dmp

Filesize
40KB

Download
memory/1824-14-0x00007FF9757A3000-0x00007FF9757A5000-memory.dmp

Filesize
8KB

Download
memory/4660-59-0x0000000000DC0000-0x0000000000DF2000-memory.dmp

Filesize
200KB

Download
memory/4660-60-0x0000000005D30000-0x0000000006348000-memory.dmp

Filesize
6.1MB

Download
memory/4660-61-0x00000000058A0000-0x00000000059AA000-memory.dmp

Filesize
1.0MB

Download
memory/4660-62-0x00000000057F0000-0x0000000005802000-memory.dmp

Filesize
72KB

Download
memory/4660-63-0x0000000005850000-0x000000000588C000-memory.dmp

Filesize
240KB

Download
memory/4660-64-0x00000000059B0000-0x00000000059FC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads