healer | bc78cabbb85207b82349c78b8c8e6541edb829a283a828de06fec97f94a5631c

General

Target

bc78cabbb85207b82349c78b8c8e6541edb829a283a828de06fec97f94a5631c.exe
Size

479KB
MD5

3affbc99cbfd6e036d894be7e7257bca
SHA1

6262f739d038a64c57626fad817a02f509f28155
SHA256

bc78cabbb85207b82349c78b8c8e6541edb829a283a828de06fec97f94a5631c
SHA512

83d5d59b438030e1de71bf0e26e5a137fc6c1992ca6d8c62bb3a89a9cdf960dcd763b0e1d40505ad266704f43f9d4ff71e4b6abf7b2fa19860563d1da84b4c88
SSDEEP

6144:Kjy+bnr+xp0yN90QEw2WhHm2zU8OD4Xl8S99zYj78CqMS9+mycd5CbMiLAii:xMrhy90XWhHp8418+K7/S9JyPbMis/

Score

10^/10

healer redline murka discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

murka

C2

217.196.96.101:4132

Attributes

auth_value
878a0681ac6ad0e4eb10ef9db07abdd9

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral1/memory/1732-15-0x00000000048D0000-0x00000000048EA000-memory.dmp	healer
behavioral1/memory/1732-19-0x0000000004F40000-0x0000000004F58000-memory.dmp	healer
behavioral1/memory/1732-25-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-29-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-47-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-45-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-43-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-41-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-39-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-37-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-35-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-33-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-31-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-27-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-23-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-21-0x0000000004F40000-0x0000000004F52000-memory.dmp	healer
behavioral1/memory/1732-20-0x0000000004F40000-0x0000000004F52000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a4789977.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a4789977.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a4789977.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a4789977.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a4789977.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a4789977.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/0x0007000000023c9a-54.dat	family_redline
behavioral1/memory/2224-56-0x0000000000690000-0x00000000006C0000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
928	v3827142.exe
1732	a4789977.exe
2224	b8566219.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	a4789977.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a4789977.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	v3827142.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\\\""	bc78cabbb85207b82349c78b8c8e6541edb829a283a828de06fec97f94a5631c.exe

Launches sc.exe 1 IoCs

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

pid	Process
3872	sc.exe

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	bc78cabbb85207b82349c78b8c8e6541edb829a283a828de06fec97f94a5631c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v3827142.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4789977.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8566219.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1732	a4789977.exe
1732	a4789977.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	a4789977.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 928	2288	bc78cabbb85207b82349c78b8c8e6541edb829a283a828de06fec97f94a5631c.exe	86
PID 2288 wrote to memory of 928	2288	bc78cabbb85207b82349c78b8c8e6541edb829a283a828de06fec97f94a5631c.exe	86
PID 2288 wrote to memory of 928	2288	bc78cabbb85207b82349c78b8c8e6541edb829a283a828de06fec97f94a5631c.exe	86
PID 928 wrote to memory of 1732	928	v3827142.exe	87
PID 928 wrote to memory of 1732	928	v3827142.exe	87
PID 928 wrote to memory of 1732	928	v3827142.exe	87
PID 928 wrote to memory of 2224	928	v3827142.exe	92
PID 928 wrote to memory of 2224	928	v3827142.exe	92
PID 928 wrote to memory of 2224	928	v3827142.exe	92

C:\Users\Admin\AppData\Local\Temp\bc78cabbb85207b82349c78b8c8e6541edb829a283a828de06fec97f94a5631c.exe
"C:\Users\Admin\AppData\Local\Temp\bc78cabbb85207b82349c78b8c8e6541edb829a283a828de06fec97f94a5631c.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3827142.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3827142.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:928
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a4789977.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a4789977.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:1732
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8566219.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8566219.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2224

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:3872

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\v3827142.exe

Filesize
307KB

MD5
5936eb9005e6b3c60f0676bc919dfa4e

SHA1
8e50bf36815cacccc911b42bb7352892fcefcdf4

SHA256
ec380d725d0c1002be63d3742433ed8fe57da42b250a3f001e1bcbf848de514d

SHA512
50e62f24c810d926ab191fe5c61998a45cc73a7bab6e36aaf3e3763635c249633e7e398c9873fdb84cc54f1e18f7445826e80b5eac678a0a970ce828f0cf9ef9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a4789977.exe

Filesize
181KB

MD5
abd875d7e090c87f611229ff3e9a95f2

SHA1
c5ae37887b7e9e0b8a4edc08b483f68f8b348001

SHA256
99d10fab76ed2af127d0a1c294d8790819689fb0c7724e6a28358debc4924a92

SHA512
7eeca8d4bf5e91ed83969a1e2800e323d1866239904184555662764353853376d17b00532ec20d2deddfa8e2a939bf4cb5ff4f248d6a5488028fad3565fd3a34

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8566219.exe

Filesize
168KB

MD5
72916a35263f4f34fbf534635f129593

SHA1
2cfbac93e59b7eacb278c335af69841a55af045c

SHA256
e02c354ef8d69a491e2cdfbc21de7338228a8b876691e3882019fed6a3730102

SHA512
df00aa463d47c3cc371c0de01b03c1ece07e6fc22b23797e9bcaa9f9f4f0b4868e1eb205857c1d232d724dd6f7e9fecac482c3d0910d4266cdd041d894d7c05b

Download Submit
memory/1732-35-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-50-0x0000000073BD0000-0x0000000074380000-memory.dmp

Filesize
7.7MB

Download
memory/1732-17-0x0000000004930000-0x0000000004ED4000-memory.dmp

Filesize
5.6MB

Download
memory/1732-18-0x0000000073BD0000-0x0000000074380000-memory.dmp

Filesize
7.7MB

Download
memory/1732-19-0x0000000004F40000-0x0000000004F58000-memory.dmp

Filesize
96KB

Download
memory/1732-25-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-27-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-47-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-45-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-43-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-41-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-39-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-37-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-15-0x00000000048D0000-0x00000000048EA000-memory.dmp

Filesize
104KB

Download
memory/1732-33-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-31-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-29-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-23-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-21-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-20-0x0000000004F40000-0x0000000004F52000-memory.dmp

Filesize
72KB

Download
memory/1732-48-0x0000000073BD0000-0x0000000074380000-memory.dmp

Filesize
7.7MB

Download
memory/1732-49-0x0000000073BDE000-0x0000000073BDF000-memory.dmp

Filesize
4KB

Download
memory/1732-16-0x0000000073BD0000-0x0000000074380000-memory.dmp

Filesize
7.7MB

Download
memory/1732-52-0x0000000073BD0000-0x0000000074380000-memory.dmp

Filesize
7.7MB

Download
memory/1732-14-0x0000000073BDE000-0x0000000073BDF000-memory.dmp

Filesize
4KB

Download
memory/2224-56-0x0000000000690000-0x00000000006C0000-memory.dmp

Filesize
192KB

Download
memory/2224-57-0x0000000002870000-0x0000000002876000-memory.dmp

Filesize
24KB

Download
memory/2224-58-0x000000000AA20000-0x000000000B038000-memory.dmp

Filesize
6.1MB

Download
memory/2224-59-0x000000000A510000-0x000000000A61A000-memory.dmp

Filesize
1.0MB

Download
memory/2224-60-0x000000000A430000-0x000000000A442000-memory.dmp

Filesize
72KB

Download
memory/2224-61-0x000000000A490000-0x000000000A4CC000-memory.dmp

Filesize
240KB

Download
memory/2224-62-0x00000000029C0000-0x0000000002A0C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads