healer | 3c2bd32d48025aaca4c36f32ed422ff0ac5f3ab14c7a8c8513ac14c22d55c6e2

General

Target

ec6fbcd8350236d97b1c63e201017ae410d71d81465cb616d385a6eae4ff972dN.exe
Size

819KB
MD5

5d0f1d7c59275481a36e06c5b6dc8c50
SHA1

241e2adfe912334f5cbfd15b96191999d5f82eb2
SHA256

3c2bd32d48025aaca4c36f32ed422ff0ac5f3ab14c7a8c8513ac14c22d55c6e2
SHA512

751112d4014677a1982ae1c9e5f660c3a1e78e6a4c2f38bc0656f0612b8081980b68c9079407f03677b54dcf98f49ec0e2037b35c63b04a8a7c316df5e038053
SSDEEP

12288:4Mrmy90eZThA20jGK00CVxAk4CYmx1SX7bFiRyN3OYT2Yjx01ZNEcxgf:uydP0kVxAk1YFXFioOYTR0Nxgf

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/0x000b000000023b64-19.dat	healer
behavioral1/memory/4948-22-0x00000000007E0000-0x00000000007EA000-memory.dmp	healer
behavioral1/memory/4584-29-0x0000000002680000-0x000000000269A000-memory.dmp	healer
behavioral1/memory/4584-31-0x0000000004C40000-0x0000000004C58000-memory.dmp	healer
behavioral1/memory/4584-32-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-41-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-59-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-55-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-53-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-51-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-49-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-47-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-45-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-39-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-37-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-36-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-33-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-57-0x0000000004C40000-0x0000000004C52000-memory.dmp	healer
behavioral1/memory/4584-43-0x0000000004C40000-0x0000000004C52000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	sFC9172.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	rLU6167.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	rLU6167.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	rLU6167.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	sFC9172.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	sFC9172.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	sFC9172.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	rLU6167.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	rLU6167.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	rLU6167.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	sFC9172.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	sFC9172.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/0x000a000000023b62-65.dat	family_redline
behavioral1/memory/924-66-0x0000000000BA0000-0x0000000000BD2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 5 IoCs

pid	Process
3648	vSV4074.exe
1160	vQc5494.exe
4948	rLU6167.exe
4584	sFC9172.exe
924	tlG77zV.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"	rLU6167.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	sFC9172.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	sFC9172.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	ec6fbcd8350236d97b1c63e201017ae410d71d81465cb616d385a6eae4ff972dN.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\\\""	vSV4074.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\\\""	vQc5494.exe

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	ec6fbcd8350236d97b1c63e201017ae410d71d81465cb616d385a6eae4ff972dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vSV4074.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vQc5494.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sFC9172.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tlG77zV.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4948	rLU6167.exe
4948	rLU6167.exe
4584	sFC9172.exe
4584	sFC9172.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4948	rLU6167.exe
Token: SeDebugPrivilege	4584	sFC9172.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 3648	540	ec6fbcd8350236d97b1c63e201017ae410d71d81465cb616d385a6eae4ff972dN.exe	83
PID 540 wrote to memory of 3648	540	ec6fbcd8350236d97b1c63e201017ae410d71d81465cb616d385a6eae4ff972dN.exe	83
PID 540 wrote to memory of 3648	540	ec6fbcd8350236d97b1c63e201017ae410d71d81465cb616d385a6eae4ff972dN.exe	83
PID 3648 wrote to memory of 1160	3648	vSV4074.exe	84
PID 3648 wrote to memory of 1160	3648	vSV4074.exe	84
PID 3648 wrote to memory of 1160	3648	vSV4074.exe	84
PID 1160 wrote to memory of 4948	1160	vQc5494.exe	86
PID 1160 wrote to memory of 4948	1160	vQc5494.exe	86
PID 1160 wrote to memory of 4584	1160	vQc5494.exe	95
PID 1160 wrote to memory of 4584	1160	vQc5494.exe	95
PID 1160 wrote to memory of 4584	1160	vQc5494.exe	95
PID 3648 wrote to memory of 924	3648	vSV4074.exe	99
PID 3648 wrote to memory of 924	3648	vSV4074.exe	99
PID 3648 wrote to memory of 924	3648	vSV4074.exe	99

C:\Users\Admin\AppData\Local\Temp\ec6fbcd8350236d97b1c63e201017ae410d71d81465cb616d385a6eae4ff972dN.exe
"C:\Users\Admin\AppData\Local\Temp\ec6fbcd8350236d97b1c63e201017ae410d71d81465cb616d385a6eae4ff972dN.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:540
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vSV4074.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vSV4074.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3648
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vQc5494.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vQc5494.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1160
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rLU6167.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rLU6167.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4948
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sFC9172.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sFC9172.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:4584
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tlG77zV.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tlG77zV.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:924

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vSV4074.exe

Filesize
482KB

MD5
d36e45ff2f2b299ad26be6931b37f68a

SHA1
8b6c6cf5b834afdafc71d816147f2e297cdf9157

SHA256
3fcfeee76352944f15a8545973f679ffc73679e351ae70a38763a144d8d69ae2

SHA512
b272e546596aeb9f32bd690d4c1d5c0e0bbc006282d1f82e99884e25bb93df5b0562d7fa6842af621bf8286e74d8ddc36f290c7b4439c958ceaaa08a23b32bb2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tlG77zV.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vQc5494.exe

Filesize
337KB

MD5
b1a2c40827137dc810550ae1d641ce10

SHA1
c385584a20ddebe11c55db9c76ade915e254ed0f

SHA256
5dd732637f9d23a082b247ee654e9d5966895f1cdfc23296e598446a90f8e09e

SHA512
5bb91d88be730d2b4196b7a3414d3b6b3a6bb962cdb912227880cf9ec317664d623bec9d3f5efd24caa20c02e30a64d82b35a0bcfe5a9b5202f2b9c6a3473aa0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rLU6167.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\sFC9172.exe

Filesize
248KB

MD5
9821f24e5aa2c1312d1b025f18ed5e03

SHA1
63bf2524ee14b19cd323e77f9e2d96e10d949fb6

SHA256
87be77c0612d5ffaf2f74cbc1296e40ebd131d775b3693531bcea88d9c6ee8b4

SHA512
5c0ed2cbc1373916c8ebf7bbf2c7d07c409247fd8ca1a410f76596b3a0a0a75e6a59e2eb4407f4836e42416a30699608d8b752fb2538df861ac42510e969efca

Download Submit
memory/924-71-0x0000000005650000-0x000000000569C000-memory.dmp

Filesize
304KB

Download
memory/924-70-0x00000000054D0000-0x000000000550C000-memory.dmp

Filesize
240KB

Download
memory/924-69-0x0000000005470000-0x0000000005482000-memory.dmp

Filesize
72KB

Download
memory/924-68-0x0000000005540000-0x000000000564A000-memory.dmp

Filesize
1.0MB

Download
memory/924-67-0x00000000059C0000-0x0000000005FD8000-memory.dmp

Filesize
6.1MB

Download
memory/924-66-0x0000000000BA0000-0x0000000000BD2000-memory.dmp

Filesize
200KB

Download
memory/4584-49-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-33-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-55-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-53-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-51-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-41-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-47-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-45-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-39-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-37-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-36-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-59-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-57-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-43-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-60-0x0000000000400000-0x0000000000570000-memory.dmp

Filesize
1.4MB

Download
memory/4584-62-0x0000000000400000-0x0000000000570000-memory.dmp

Filesize
1.4MB

Download
memory/4584-32-0x0000000004C40000-0x0000000004C52000-memory.dmp

Filesize
72KB

Download
memory/4584-31-0x0000000004C40000-0x0000000004C58000-memory.dmp

Filesize
96KB

Download
memory/4584-30-0x0000000004D10000-0x00000000052B4000-memory.dmp

Filesize
5.6MB

Download
memory/4584-29-0x0000000002680000-0x000000000269A000-memory.dmp

Filesize
104KB

Download
memory/4948-23-0x00007FFFFB713000-0x00007FFFFB715000-memory.dmp

Filesize
8KB

Download
memory/4948-21-0x00007FFFFB713000-0x00007FFFFB715000-memory.dmp

Filesize
8KB

Download
memory/4948-22-0x00000000007E0000-0x00000000007EA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads