healer | 8041b4205b3454a2d1101ac954bd41e2bd4ff12590177bd0ebbe7bab6c39dc9f

General

Target

8041b4205b3454a2d1101ac954bd41e2bd4ff12590177bd0ebbe7bab6c39dc9f.exe
Size

470KB
MD5

9da38838bc76e8d771ac4726f2129a34
SHA1

891d201175bc6fe4bddff0cfbc2caf8d4fb9654d
SHA256

8041b4205b3454a2d1101ac954bd41e2bd4ff12590177bd0ebbe7bab6c39dc9f
SHA512

aa4074482b229aff6f3052e2ffbbaa655b195d7e14c74f34bff2bd26b67abad5a1a6cd4045dcb0c4f663c4df07f0bf10617c1ed8cc7030fbb69fe7d3bdfe8b02
SSDEEP

12288:4Mrvy90IBKtUfldEtQHIHAgqiV73q1HD5ALhdB:Hy/K2fldRIHRqiVbqTAldB

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 17 IoCs

resource	yara_rule
behavioral1/memory/4876-19-0x00000000027B0000-0x00000000027CA000-memory.dmp	healer
behavioral1/memory/4876-21-0x00000000029A0000-0x00000000029B8000-memory.dmp	healer
behavioral1/memory/4876-49-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-47-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-45-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-43-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-41-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-39-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-37-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-35-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-33-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-31-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-29-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-27-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-25-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-23-0x00000000029A0000-0x00000000029B2000-memory.dmp	healer
behavioral1/memory/4876-22-0x00000000029A0000-0x00000000029B2000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	bba65Lq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	bba65Lq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bba65Lq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	bba65Lq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	bba65Lq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bba65Lq.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/0x0007000000023c83-57.dat	family_redline
behavioral1/memory/1476-59-0x0000000000770000-0x00000000007A2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
3612	nsk38ET.exe
4876	bba65Lq.exe
1476	dtU19sX.exe

Windows security modification 2 TTPs 2 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	bba65Lq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	bba65Lq.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\\\""	8041b4205b3454a2d1101ac954bd41e2bd4ff12590177bd0ebbe7bab6c39dc9f.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\\\""	nsk38ET.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2372	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1196	4876	WerFault.exe	86

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	dtU19sX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8041b4205b3454a2d1101ac954bd41e2bd4ff12590177bd0ebbe7bab6c39dc9f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nsk38ET.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bba65Lq.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4876	bba65Lq.exe
4876	bba65Lq.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4876	bba65Lq.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 3612	2812	8041b4205b3454a2d1101ac954bd41e2bd4ff12590177bd0ebbe7bab6c39dc9f.exe	85
PID 2812 wrote to memory of 3612	2812	8041b4205b3454a2d1101ac954bd41e2bd4ff12590177bd0ebbe7bab6c39dc9f.exe	85
PID 2812 wrote to memory of 3612	2812	8041b4205b3454a2d1101ac954bd41e2bd4ff12590177bd0ebbe7bab6c39dc9f.exe	85
PID 3612 wrote to memory of 4876	3612	nsk38ET.exe	86
PID 3612 wrote to memory of 4876	3612	nsk38ET.exe	86
PID 3612 wrote to memory of 4876	3612	nsk38ET.exe	86
PID 3612 wrote to memory of 1476	3612	nsk38ET.exe	98
PID 3612 wrote to memory of 1476	3612	nsk38ET.exe	98
PID 3612 wrote to memory of 1476	3612	nsk38ET.exe	98

C:\Users\Admin\AppData\Local\Temp\8041b4205b3454a2d1101ac954bd41e2bd4ff12590177bd0ebbe7bab6c39dc9f.exe
"C:\Users\Admin\AppData\Local\Temp\8041b4205b3454a2d1101ac954bd41e2bd4ff12590177bd0ebbe7bab6c39dc9f.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsk38ET.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsk38ET.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3612
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bba65Lq.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bba65Lq.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:4876
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 1080
      4⤵
      Program crash
      PID:1196
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dtU19sX.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dtU19sX.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4876 -ip 4876
1⤵
PID:1096

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:2372

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\nsk38ET.exe

Filesize
366KB

MD5
ba2f9f46f1eaf6750b63e23f39bd440e

SHA1
31381abe6b539299d76ceb6e8f27e0d53a9e0718

SHA256
8324ace035a4243c8050852c473133233ff2d4c980fb1d1dcab671e3b2740986

SHA512
8d1fc297e48d1a7f2aad7539b46bc8b1f385091c99b3d2e6c226a371601d92dff31513291541856748914c9fd7dba463ffa5ac812d6c6908e618cafa6b7f4592

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bba65Lq.exe

Filesize
220KB

MD5
462c4ee3ed98352a8e3f5b8b1b71dfac

SHA1
53e7780c3e7fe6e8fe288bde903d0774210308cf

SHA256
6215b8732177d0f5efec6b7e798416a29a67833258ff60860b79eb618d3808d1

SHA512
a0a828bbe9f604d66e83be73f6702cd0601adf01115ff1b7497be32d68dad2ae7c199a43ec0fb2f603dd63012a64a35719b9dfaa2e37e2296ef644219fa77989

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dtU19sX.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1476-64-0x0000000005360000-0x00000000053AC000-memory.dmp

Filesize
304KB

Download
memory/1476-63-0x00000000051E0000-0x000000000521C000-memory.dmp

Filesize
240KB

Download
memory/1476-62-0x0000000005180000-0x0000000005192000-memory.dmp

Filesize
72KB

Download
memory/1476-61-0x0000000005250000-0x000000000535A000-memory.dmp

Filesize
1.0MB

Download
memory/1476-60-0x00000000056E0000-0x0000000005CF8000-memory.dmp

Filesize
6.1MB

Download
memory/1476-59-0x0000000000770000-0x00000000007A2000-memory.dmp

Filesize
200KB

Download
memory/4876-35-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-23-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-45-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-43-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-41-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-39-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-37-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-49-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-33-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-31-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-29-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-27-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-25-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-47-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-22-0x00000000029A0000-0x00000000029B2000-memory.dmp

Filesize
72KB

Download
memory/4876-50-0x00000000009B0000-0x0000000000AB0000-memory.dmp

Filesize
1024KB

Download
memory/4876-51-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4876-55-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4876-54-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/4876-21-0x00000000029A0000-0x00000000029B8000-memory.dmp

Filesize
96KB

Download
memory/4876-20-0x0000000004F60000-0x0000000005504000-memory.dmp

Filesize
5.6MB

Download
memory/4876-19-0x00000000027B0000-0x00000000027CA000-memory.dmp

Filesize
104KB

Download
memory/4876-18-0x0000000000400000-0x0000000000754000-memory.dmp

Filesize
3.3MB

Download
memory/4876-15-0x00000000009B0000-0x0000000000AB0000-memory.dmp

Filesize
1024KB

Download
memory/4876-16-0x0000000002390000-0x00000000023BD000-memory.dmp

Filesize
180KB

Download
memory/4876-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads