healer | 8ddda918214cc3b54bc8b61cb58ee474354daa0c7ffd3f805d958213aa9acc31

General

Target

8ddda918214cc3b54bc8b61cb58ee474354daa0c7ffd3f805d958213aa9acc31.exe
Size

957KB
MD5

633e66c7e929382352cb3dfa84b01d86
SHA1

65bc00fad6286a20a0870a9479998f64d0264567
SHA256

8ddda918214cc3b54bc8b61cb58ee474354daa0c7ffd3f805d958213aa9acc31
SHA512

138acc56e8ae4d8c72224595124fe8f4fdafb627755ae095b8c613656b8b96890b5633c61ef16a57d0b68571a0d88cbf79b1cd05b9322fecb41c46df4b4bcc9b
SSDEEP

24576:QyuLb7rQjuuvyxJq+hoj36GWeVv81kwi1jDBB1Ke+40jS:XgvMjJvyxJq+h236jc82wmH31Ke6j

Score

10^/10

healer redline dubka discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dubka

C2

193.233.20.13:4136

Attributes

auth_value
e5a9421183a033f283b2f23139b471f0

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

resource	yara_rule
behavioral1/files/0x000b000000023b7d-26.dat	healer
behavioral1/memory/932-28-0x00000000000F0000-0x00000000000FA000-memory.dmp	healer
behavioral1/memory/832-34-0x0000000002770000-0x000000000278A000-memory.dmp	healer
behavioral1/memory/832-36-0x0000000002790000-0x00000000027A8000-memory.dmp	healer
behavioral1/memory/832-37-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-50-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-64-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-62-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-60-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-58-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-56-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-54-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-52-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-48-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-46-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-45-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-42-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-40-0x0000000002790000-0x00000000027A2000-memory.dmp	healer
behavioral1/memory/832-38-0x0000000002790000-0x00000000027A2000-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"	kyS77Qz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	kyS77Qz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	kyS77Qz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	mDn86gM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	mDn86gM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	mDn86gM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	kyS77Qz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	kyS77Qz.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	mDn86gM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	mDn86gM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	mDn86gM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	kyS77Qz.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/0x000a000000023b7b-69.dat	family_redline
behavioral1/memory/4496-71-0x00000000008E0000-0x0000000000912000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 6 IoCs

pid	Process
4736	dTZ4448.exe
4504	dAD8921.exe
2276	dbN7624.exe
932	kyS77Qz.exe
832	mDn86gM.exe
4496	nmh29jn.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"	kyS77Qz.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	mDn86gM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	mDn86gM.exe

Adds Run key to start application 2 TTPs 4 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\\\""	8ddda918214cc3b54bc8b61cb58ee474354daa0c7ffd3f805d958213aa9acc31.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\\\""	dTZ4448.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	dAD8921.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	dbN7624.exe

Launches sc.exe 1 IoCs

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

pid	Process
3668	sc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5040	832	WerFault.exe	95

System Location Discovery: System Language Discovery 1 TTPs 6 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	dbN7624.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mDn86gM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nmh29jn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8ddda918214cc3b54bc8b61cb58ee474354daa0c7ffd3f805d958213aa9acc31.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dTZ4448.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dAD8921.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
932	kyS77Qz.exe
932	kyS77Qz.exe
832	mDn86gM.exe
832	mDn86gM.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	932	kyS77Qz.exe
Token: SeDebugPrivilege	832	mDn86gM.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3896 wrote to memory of 4736	3896	8ddda918214cc3b54bc8b61cb58ee474354daa0c7ffd3f805d958213aa9acc31.exe	83
PID 3896 wrote to memory of 4736	3896	8ddda918214cc3b54bc8b61cb58ee474354daa0c7ffd3f805d958213aa9acc31.exe	83
PID 3896 wrote to memory of 4736	3896	8ddda918214cc3b54bc8b61cb58ee474354daa0c7ffd3f805d958213aa9acc31.exe	83
PID 4736 wrote to memory of 4504	4736	dTZ4448.exe	84
PID 4736 wrote to memory of 4504	4736	dTZ4448.exe	84
PID 4736 wrote to memory of 4504	4736	dTZ4448.exe	84
PID 4504 wrote to memory of 2276	4504	dAD8921.exe	85
PID 4504 wrote to memory of 2276	4504	dAD8921.exe	85
PID 4504 wrote to memory of 2276	4504	dAD8921.exe	85
PID 2276 wrote to memory of 932	2276	dbN7624.exe	86
PID 2276 wrote to memory of 932	2276	dbN7624.exe	86
PID 2276 wrote to memory of 832	2276	dbN7624.exe	95
PID 2276 wrote to memory of 832	2276	dbN7624.exe	95
PID 2276 wrote to memory of 832	2276	dbN7624.exe	95
PID 4504 wrote to memory of 4496	4504	dAD8921.exe	99
PID 4504 wrote to memory of 4496	4504	dAD8921.exe	99
PID 4504 wrote to memory of 4496	4504	dAD8921.exe	99

C:\Users\Admin\AppData\Local\Temp\8ddda918214cc3b54bc8b61cb58ee474354daa0c7ffd3f805d958213aa9acc31.exe
"C:\Users\Admin\AppData\Local\Temp\8ddda918214cc3b54bc8b61cb58ee474354daa0c7ffd3f805d958213aa9acc31.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3896
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dTZ4448.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dTZ4448.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4736
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dAD8921.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dAD8921.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4504
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dbN7624.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dbN7624.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2276
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\kyS77Qz.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\kyS77Qz.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:932
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mDn86gM.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mDn86gM.exe
        5⤵
        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:832
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 1084
        6⤵
        Program crash
        
        PID:5040
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nmh29jn.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nmh29jn.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 832 -ip 832
1⤵
PID:3696

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:3668

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\dTZ4448.exe

Filesize
822KB

MD5
e8e377b98a03c4226f4b1664780e3786

SHA1
3a9cce22017ef12487daaa9177d538c6be9d4624

SHA256
29c2ea3d5fb8a2d6c138eb1d308c6c8fba81d871d55a90262e8f0d8a48bfc72f

SHA512
dca3ba181ec7b76a239a5b12a404a0b11f946b0dc0e4c0f95ff10b145d19f358c083b38baca45acea09758a68bf4a839b9c7bee6a2d44f00c7a3afdd0e2114c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dAD8921.exe

Filesize
484KB

MD5
c66708980e90290a3d3932e0938c0910

SHA1
e6ac69856f14fa1ce5540b2448ba9f4365da3dbc

SHA256
a1502f00f51ff1f624968243dee1f62156d8f95c0a3b7f8385f41cea5efe0f11

SHA512
2bedeca0210ca9fa7d1da5577a06596f85ac073d15c53c5d72da2838fc50a3f16d50a524b25d5b0a3e4aa9f518375ca5ac4104aae1b3d898268f7e024a80d58b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dbN7624.exe

Filesize
339KB

MD5
ea1246ecc6738be3ec54968b4e9b1be5

SHA1
8b402e0fc34529f00f29141747a62ef37bafa1df

SHA256
7a0e11b39c7270c5f1d8a28ec94cbeefd5dbf9dcffe602d95115222127f2495d

SHA512
04eb7aa7b3cd0cefc9b81bb9aa83efb3d3a413eefd0deba2a0de0e232d1be4c630be4e311488d34c30c79426f31a7df5c70a72330f22f60a7124873655cbe75a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nmh29jn.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\kyS77Qz.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mDn86gM.exe

Filesize
249KB

MD5
2c5daade6cc93f76114b06d1777c7786

SHA1
108f23add9f97b469b264b136e4ed6076e73de90

SHA256
195831618f4971eda5b00d51d892b4bf7b6519d79b278e2d477a1dfb56b91fbf

SHA512
f074459406c33eabae671e63ca2d6dd7087db63fc1ab338cb721b97735085c7b828c920005111c4ed3d101a6e607e0e100805f417518ffcef4a70551bb2e3814

Download Submit
memory/832-54-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-46-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-36-0x0000000002790000-0x00000000027A8000-memory.dmp

Filesize
96KB

Download
memory/832-37-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-50-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-64-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-62-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-60-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-58-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-56-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-34-0x0000000002770000-0x000000000278A000-memory.dmp

Filesize
104KB

Download
memory/832-52-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-48-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-35-0x0000000004FC0000-0x0000000005564000-memory.dmp

Filesize
5.6MB

Download
memory/832-45-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-42-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-40-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-38-0x0000000002790000-0x00000000027A2000-memory.dmp

Filesize
72KB

Download
memory/832-65-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/832-67-0x0000000000400000-0x00000000007BD000-memory.dmp

Filesize
3.7MB

Download
memory/932-28-0x00000000000F0000-0x00000000000FA000-memory.dmp

Filesize
40KB

Download
memory/4496-71-0x00000000008E0000-0x0000000000912000-memory.dmp

Filesize
200KB

Download
memory/4496-72-0x0000000005860000-0x0000000005E78000-memory.dmp

Filesize
6.1MB

Download
memory/4496-73-0x00000000053C0000-0x00000000054CA000-memory.dmp

Filesize
1.0MB

Download
memory/4496-74-0x00000000052F0000-0x0000000005302000-memory.dmp

Filesize
72KB

Download
memory/4496-75-0x0000000005350000-0x000000000538C000-memory.dmp

Filesize
240KB

Download
memory/4496-76-0x00000000054D0000-0x000000000551C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads