healer | accf48f3de607e3a400b7ea29b03a46279fdff451297811c528d065d61e9cc8e

General

Target

accf48f3de607e3a400b7ea29b03a46279fdff451297811c528d065d61e9cc8e.exe
Size

855KB
MD5

056270714f28dce0c5ae000bfd9c7437
SHA1

441ff689777ff0e2a200c58b760f6f26f8585197
SHA256

accf48f3de607e3a400b7ea29b03a46279fdff451297811c528d065d61e9cc8e
SHA512

428e05007f14bee1f59b09dd1f63d4f2acce3d4fcfee431e82541f88c619887e4db22740f5f8fcfe668d9d04d30adf896c284407ee35501e78e8e03599e96287
SSDEEP

24576:Tyj7BFQSQ1lSl5VCCmfhUU1qlZuXFvaF:mhCSQXS3VCtfzSZuX

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/0x000b000000023b7b-19.dat	healer
behavioral1/memory/4368-22-0x0000000000B20000-0x0000000000B2A000-memory.dmp	healer
behavioral1/memory/1352-29-0x0000000002740000-0x000000000275A000-memory.dmp	healer
behavioral1/memory/1352-31-0x00000000050D0000-0x00000000050E8000-memory.dmp	healer
behavioral1/memory/1352-32-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-37-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-59-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-58-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-55-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-53-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-51-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-49-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-47-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-46-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-43-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-41-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-39-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-35-0x00000000050D0000-0x00000000050E2000-memory.dmp	healer
behavioral1/memory/1352-33-0x00000000050D0000-0x00000000050E2000-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\DisableScanOnRealtimeEnable = "1"	khe95sm.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	mWi49ze.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	mWi49ze.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	khe95sm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	khe95sm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	khe95sm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	mWi49ze.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	mWi49ze.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	mWi49ze.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	mWi49ze.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	khe95sm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	khe95sm.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/0x000a000000023b79-64.dat	family_redline
behavioral1/memory/3596-66-0x0000000000A00000-0x0000000000A32000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 5 IoCs

pid	Process
4504	dKD3433.exe
2380	dyq0312.exe
4368	khe95sm.exe
1352	mWi49ze.exe
3596	nBo76cY.exe

Windows security modification 2 TTPs 3 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	mWi49ze.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	mWi49ze.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	khe95sm.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\\\""	accf48f3de607e3a400b7ea29b03a46279fdff451297811c528d065d61e9cc8e.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\\\""	dKD3433.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\\\""	dyq0312.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4548	1352	WerFault.exe	93

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	dyq0312.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mWi49ze.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nBo76cY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	accf48f3de607e3a400b7ea29b03a46279fdff451297811c528d065d61e9cc8e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dKD3433.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4368	khe95sm.exe
4368	khe95sm.exe
1352	mWi49ze.exe
1352	mWi49ze.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4368	khe95sm.exe
Token: SeDebugPrivilege	1352	mWi49ze.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 4504	3092	accf48f3de607e3a400b7ea29b03a46279fdff451297811c528d065d61e9cc8e.exe	84
PID 3092 wrote to memory of 4504	3092	accf48f3de607e3a400b7ea29b03a46279fdff451297811c528d065d61e9cc8e.exe	84
PID 3092 wrote to memory of 4504	3092	accf48f3de607e3a400b7ea29b03a46279fdff451297811c528d065d61e9cc8e.exe	84
PID 4504 wrote to memory of 2380	4504	dKD3433.exe	85
PID 4504 wrote to memory of 2380	4504	dKD3433.exe	85
PID 4504 wrote to memory of 2380	4504	dKD3433.exe	85
PID 2380 wrote to memory of 4368	2380	dyq0312.exe	87
PID 2380 wrote to memory of 4368	2380	dyq0312.exe	87
PID 2380 wrote to memory of 1352	2380	dyq0312.exe	93
PID 2380 wrote to memory of 1352	2380	dyq0312.exe	93
PID 2380 wrote to memory of 1352	2380	dyq0312.exe	93
PID 4504 wrote to memory of 3596	4504	dKD3433.exe	97
PID 4504 wrote to memory of 3596	4504	dKD3433.exe	97
PID 4504 wrote to memory of 3596	4504	dKD3433.exe	97

C:\Users\Admin\AppData\Local\Temp\accf48f3de607e3a400b7ea29b03a46279fdff451297811c528d065d61e9cc8e.exe
"C:\Users\Admin\AppData\Local\Temp\accf48f3de607e3a400b7ea29b03a46279fdff451297811c528d065d61e9cc8e.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3092
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dKD3433.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dKD3433.exe
  2⤵
  - 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\IXP001.TMP\dyq0312.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dyq0312.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2380
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\khe95sm.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\khe95sm.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4368
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\mWi49ze.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\mWi49ze.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:1352
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 1080
        5⤵
        Program crash
        
        PID:4548
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nBo76cY.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nBo76cY.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1352 -ip 1352
1⤵
PID:1700

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\dKD3433.exe

Filesize
501KB

MD5
a78b7a1372de06effff97eca14f47b2e

SHA1
177919bf3f7eeb44f82d57d9999327fdf7391c5f

SHA256
25ab60465e248d97d0843b81f0dc17d9b2e63c34069c2040408bd3bf8ab6bad1

SHA512
caa421fd6c3c87632e8e56a04bc90694c9314a9d1a0c9a6fdd7e608d97bec288e9ba3eea2bf27f3ed252598f3e5c758168df0e7003a95e20ebe3bafcaf4b35de

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dyq0312.exe

Filesize
356KB

MD5
b2959806d533d9317125a1e089e460bb

SHA1
6822bf6daaef76cdcc1dcb48ce9857ebc789fbd3

SHA256
6f5f9e737796c736fd05847cf4fb6744976f1167baeb0e7b8e8f3cb26dcfa2c0

SHA512
47502bc245de5b58c050baec1d4bdcc178f4e815b614f8f997dfc81ee9205666c8ebef79d6ccdeca632f5aa56e7627f8a9a9b2a8954f72d99473bf3043f106da

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nBo76cY.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\khe95sm.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\mWi49ze.exe

Filesize
295KB

MD5
2338c84711b756237e614c3869cf6100

SHA1
6146eace912945070cb084fe3839c8d2dc27c403

SHA256
fbfd8bd7e7ff54ce43c209c34a9959ad1abe7325209756decc04e3d9a44ff87b

SHA512
24bd3e70fc0ac61f6fcc432de5e93ac38c66eb3fb0e9b09337acc526873dd42f779f2741761ffb1677936e8f219f3c3b683c9476d8ab604803795fc323c7bae6

Download Submit
memory/1352-51-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-43-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-29-0x0000000002740000-0x000000000275A000-memory.dmp

Filesize
104KB

Download
memory/1352-30-0x0000000004B00000-0x00000000050A4000-memory.dmp

Filesize
5.6MB

Download
memory/1352-31-0x00000000050D0000-0x00000000050E8000-memory.dmp

Filesize
96KB

Download
memory/1352-32-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-37-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-59-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-58-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-55-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-53-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-62-0x0000000000400000-0x000000000057B000-memory.dmp

Filesize
1.5MB

Download
memory/1352-49-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-47-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-46-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-60-0x0000000000400000-0x000000000057B000-memory.dmp

Filesize
1.5MB

Download
memory/1352-41-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-39-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-35-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/1352-33-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/3596-66-0x0000000000A00000-0x0000000000A32000-memory.dmp

Filesize
200KB

Download
memory/3596-67-0x0000000005820000-0x0000000005E38000-memory.dmp

Filesize
6.1MB

Download
memory/3596-68-0x00000000053A0000-0x00000000054AA000-memory.dmp

Filesize
1.0MB

Download
memory/3596-69-0x00000000052D0000-0x00000000052E2000-memory.dmp

Filesize
72KB

Download
memory/3596-70-0x0000000005330000-0x000000000536C000-memory.dmp

Filesize
240KB

Download
memory/3596-71-0x00000000054B0000-0x00000000054FC000-memory.dmp

Filesize
304KB

Download
memory/4368-23-0x00007FFF478D3000-0x00007FFF478D5000-memory.dmp

Filesize
8KB

Download
memory/4368-22-0x0000000000B20000-0x0000000000B2A000-memory.dmp

Filesize
40KB

Download
memory/4368-21-0x00007FFF478D3000-0x00007FFF478D5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads