healer | fb103f64dd34d69ce6a7d105312d844c9155b6252893544de69db359f85f2ea5

General

Target

fb103f64dd34d69ce6a7d105312d844c9155b6252893544de69db359f85f2ea5.exe
Size

853KB
MD5

8b6838ac0743e40abfca7dc7d31f4d86
SHA1

0902d4b079e54bc2c8dd241da133bc1a985aa4ca
SHA256

fb103f64dd34d69ce6a7d105312d844c9155b6252893544de69db359f85f2ea5
SHA512

ef9c6bc2f91ee956a7bbf7b8a5a0a4b74071839853d0c1396bb6676ab482f0d56b110cbaee568de859a72dd5efb09555976ad620322bb78c1d34c8a3908c4fed
SSDEEP

12288:JMrOy90Ers0YiuXR2n9DTCQA11wuMLglbHljP/okj7TcvtyFvjZPtlajrTNiZlK+:byXJZ+VMLglpj//o6bsjUQuIs

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 17 IoCs

resource	yara_rule
behavioral1/memory/4488-24-0x0000000002430000-0x000000000244A000-memory.dmp	healer
behavioral1/memory/4488-26-0x0000000002510000-0x0000000002528000-memory.dmp	healer
behavioral1/memory/4488-27-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-36-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-54-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-53-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-50-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-49-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-46-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-44-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-43-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-41-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-38-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-34-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-32-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-30-0x0000000002510000-0x0000000002522000-memory.dmp	healer
behavioral1/memory/4488-28-0x0000000002510000-0x0000000002522000-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	mCO83Kc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	mCO83Kc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	mCO83Kc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	mCO83Kc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	mCO83Kc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	mCO83Kc.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/0x0007000000023caf-61.dat	family_redline
behavioral1/memory/3064-63-0x00000000008C0000-0x00000000008F2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
392	djP3222.exe
4140	dcC2445.exe
4488	mCO83Kc.exe
3064	nah64Tc.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	mCO83Kc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	mCO83Kc.exe

Adds Run key to start application 2 TTPs 3 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\\\""	djP3222.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\\\""	dcC2445.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\\\""	fb103f64dd34d69ce6a7d105312d844c9155b6252893544de69db359f85f2ea5.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4196	4488	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 5 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	fb103f64dd34d69ce6a7d105312d844c9155b6252893544de69db359f85f2ea5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	djP3222.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dcC2445.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mCO83Kc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nah64Tc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4488	mCO83Kc.exe
4488	mCO83Kc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4488	mCO83Kc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 392	964	fb103f64dd34d69ce6a7d105312d844c9155b6252893544de69db359f85f2ea5.exe	84
PID 964 wrote to memory of 392	964	fb103f64dd34d69ce6a7d105312d844c9155b6252893544de69db359f85f2ea5.exe	84
PID 964 wrote to memory of 392	964	fb103f64dd34d69ce6a7d105312d844c9155b6252893544de69db359f85f2ea5.exe	84
PID 392 wrote to memory of 4140	392	djP3222.exe	85
PID 392 wrote to memory of 4140	392	djP3222.exe	85
PID 392 wrote to memory of 4140	392	djP3222.exe	85
PID 4140 wrote to memory of 4488	4140	dcC2445.exe	86
PID 4140 wrote to memory of 4488	4140	dcC2445.exe	86
PID 4140 wrote to memory of 4488	4140	dcC2445.exe	86
PID 4140 wrote to memory of 3064	4140	dcC2445.exe	102
PID 4140 wrote to memory of 3064	4140	dcC2445.exe	102
PID 4140 wrote to memory of 3064	4140	dcC2445.exe	102

C:\Users\Admin\AppData\Local\Temp\fb103f64dd34d69ce6a7d105312d844c9155b6252893544de69db359f85f2ea5.exe
"C:\Users\Admin\AppData\Local\Temp\fb103f64dd34d69ce6a7d105312d844c9155b6252893544de69db359f85f2ea5.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:964
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\djP3222.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\djP3222.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:392
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dcC2445.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dcC2445.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4140
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\mCO83Kc.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\mCO83Kc.exe
      4⤵
      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:4488
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 1104
        5⤵
        Program crash
        
        PID:4196
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nah64Tc.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nah64Tc.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4488 -ip 4488
1⤵
PID:512

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\djP3222.exe

Filesize
708KB

MD5
9f3454dd364949428bb826713ba9d50d

SHA1
db41c7324eb9bd71c05731f43999cde14340b597

SHA256
9ee2dfa384a55cf226296aff02cef7769610b7dd5a6758d51892452392a37907

SHA512
6687c8693c234f1348bcdcafe9ad2d346df56535a4326903524ea250160ee7776998547652c8fe0cf19e9c71abfefd20ed5690af5bfa0e2f2b7e2cb94cf79203

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dcC2445.exe

Filesize
375KB

MD5
0fe2e704e2130b9b840337ecfec33114

SHA1
a2eea8caa70c31af5c837f3da225ffdbc7e64267

SHA256
f6f8bcfd31f488b9279640708ae511807f58fec4afa795432892b7c1dd0c63f4

SHA512
10dd6b26fc83650077eb345fe21244875be5499de669da0d768b35b7c365454977f2e6a61ae6ed2d2ca642b80c83ff330cb209f91b705da3d217e57c97596c05

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\mCO83Kc.exe

Filesize
241KB

MD5
f2bcb17a128cbfa928ca290d240f9601

SHA1
487e8bd83d6aa5a8633562ff09254ae922f158f6

SHA256
986bc0236c044a0f4a4e94f3232e1d7d34ce488c289639e059456fb80184b2e6

SHA512
4ee4abb1b4c7d4c23e9e40d9ab857b72fbf36f5688bcbb5a4b674620843a0f3f5fed178405f2ac587f9e2a56c91cb1b0d584ff876c5e5639f91fb42b76b1e923

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nah64Tc.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
memory/3064-68-0x00000000054B0000-0x00000000054FC000-memory.dmp

Filesize
304KB

Download
memory/3064-67-0x0000000005330000-0x000000000536C000-memory.dmp

Filesize
240KB

Download
memory/3064-66-0x00000000052D0000-0x00000000052E2000-memory.dmp

Filesize
72KB

Download
memory/3064-65-0x00000000053A0000-0x00000000054AA000-memory.dmp

Filesize
1.0MB

Download
memory/3064-64-0x0000000005870000-0x0000000005E88000-memory.dmp

Filesize
6.1MB

Download
memory/3064-63-0x00000000008C0000-0x00000000008F2000-memory.dmp

Filesize
200KB

Download
memory/4488-43-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-30-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-50-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-49-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-46-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-44-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-54-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-41-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-38-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-34-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-32-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-53-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-28-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-55-0x0000000000400000-0x000000000056E000-memory.dmp

Filesize
1.4MB

Download
memory/4488-56-0x0000000000740000-0x0000000000840000-memory.dmp

Filesize
1024KB

Download
memory/4488-57-0x00000000005D0000-0x00000000005FD000-memory.dmp

Filesize
180KB

Download
memory/4488-59-0x0000000000400000-0x000000000056E000-memory.dmp

Filesize
1.4MB

Download
memory/4488-36-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-27-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/4488-26-0x0000000002510000-0x0000000002528000-memory.dmp

Filesize
96KB

Download
memory/4488-25-0x0000000004BB0000-0x0000000005154000-memory.dmp

Filesize
5.6MB

Download
memory/4488-24-0x0000000002430000-0x000000000244A000-memory.dmp

Filesize
104KB

Download
memory/4488-23-0x00000000005D0000-0x00000000005FD000-memory.dmp

Filesize
180KB

Download
memory/4488-22-0x0000000000740000-0x0000000000840000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads