healer | bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca

General

Target

bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca.exe
Size

500KB
MD5

92aa59f231df719d312d3d98ab0a3afa
SHA1

079564d7e59ad92ed42bc1619a28dfe97b0019af
SHA256

bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca
SHA512

945c81ef26bd366c6b851945a27ee3247ba93320bee3ab7003a8df69f7d07199a1e8eb4d220fcc7253810d8f889141cbb42a9dff2b41890a6f0ac027dd6e6e6f
SSDEEP

6144:Kqy+bnr+0p0yN90QEXb1g82H8nLfkuZvLdSe7jOvFzahJY/djxRmJWM98QAaIyi9:CMroy90RBE8nLfKVwW/liJAgTDOEQ

Score

10^/10

healer redline fukia discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

Signatures

Detects Healer an antivirus disabler dropper 19 IoCs

resource	yara_rule
behavioral1/files/0x0009000000023bd0-12.dat	healer
behavioral1/memory/980-15-0x0000000000720000-0x000000000072A000-memory.dmp	healer
behavioral1/memory/1524-22-0x00000000024D0000-0x00000000024EA000-memory.dmp	healer
behavioral1/memory/1524-24-0x0000000002810000-0x0000000002828000-memory.dmp	healer
behavioral1/memory/1524-48-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-40-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-52-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-50-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-46-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-44-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-42-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-38-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-36-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-34-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-32-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-30-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-28-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-26-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/1524-25-0x0000000002810000-0x0000000002822000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dVa00IY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dVa00IY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dVa00IY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dVa00IY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	ejX17RM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	ejX17RM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dVa00IY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dVa00IY.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	ejX17RM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	ejX17RM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	ejX17RM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	ejX17RM.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/0x0009000000023bca-57.dat	family_redline
behavioral1/memory/2060-59-0x0000000000C80000-0x0000000000CB2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4832	nNN06fq37.exe
980	dVa00IY.exe
1524	ejX17RM.exe
2060	fIs91Kz.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	ejX17RM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	ejX17RM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dVa00IY.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca.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\\\""	nNN06fq37.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2572	1524	WerFault.exe	93

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	bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nNN06fq37.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ejX17RM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fIs91Kz.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
980	dVa00IY.exe
980	dVa00IY.exe
1524	ejX17RM.exe
1524	ejX17RM.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	980	dVa00IY.exe
Token: SeDebugPrivilege	1524	ejX17RM.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 4832	3516	bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca.exe	83
PID 3516 wrote to memory of 4832	3516	bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca.exe	83
PID 3516 wrote to memory of 4832	3516	bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca.exe	83
PID 4832 wrote to memory of 980	4832	nNN06fq37.exe	84
PID 4832 wrote to memory of 980	4832	nNN06fq37.exe	84
PID 4832 wrote to memory of 1524	4832	nNN06fq37.exe	93
PID 4832 wrote to memory of 1524	4832	nNN06fq37.exe	93
PID 4832 wrote to memory of 1524	4832	nNN06fq37.exe	93
PID 3516 wrote to memory of 2060	3516	bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca.exe	97
PID 3516 wrote to memory of 2060	3516	bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca.exe	97
PID 3516 wrote to memory of 2060	3516	bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca.exe	97

C:\Users\Admin\AppData\Local\Temp\bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca.exe
"C:\Users\Admin\AppData\Local\Temp\bb23effad1b688194cbde99bb6115d70a5e92a33183efa16911aae9475e990ca.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nNN06fq37.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nNN06fq37.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4832
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dVa00IY.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dVa00IY.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:980
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejX17RM.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejX17RM.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:1524
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 1084
      4⤵
      Program crash
      PID:2572
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fIs91Kz.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fIs91Kz.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1524 -ip 1524
1⤵
PID:2136

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\fIs91Kz.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nNN06fq37.exe

Filesize
355KB

MD5
001ebb498b48073b95f772f5597351ce

SHA1
1328a0f671ceaf11f97e675424cb204120f56ad5

SHA256
9a8dc5cf0c30ea05b4420864ffbec71905c459d7aff730418c1317d41a985f14

SHA512
22171818f82a746612825dd61c35270dfdc7481c8fa0d0be2c7ff122db287720b9808c170e8a9d119fdf8a4f4b6a1eabf35d9bbcd9b3d7859be3549946530fd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dVa00IY.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ejX17RM.exe

Filesize
295KB

MD5
dd0adf92524d842b17843e3a38769564

SHA1
4b34fbf5dade2193630f92053be9f0dcfe563d3c

SHA256
489cdd40de47bde8a31100897afafb3213c01de9cab0bc656e3cbf01c48e3682

SHA512
7fbb9c9ad3df3bfd0ae3741bf76c92bdd9ea3f23e1316f4948a60e1efc3ff6dcbd4d37d7da725659fa38a0cbc0fc41d1dc85515d56b15af5cbf891bfe6853bc2

Download Submit
memory/980-14-0x00007FFBF26D3000-0x00007FFBF26D5000-memory.dmp

Filesize
8KB

Download
memory/980-15-0x0000000000720000-0x000000000072A000-memory.dmp

Filesize
40KB

Download
memory/980-16-0x00007FFBF26D3000-0x00007FFBF26D5000-memory.dmp

Filesize
8KB

Download
memory/1524-38-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-30-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-48-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-40-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-52-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-50-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-46-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-44-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-42-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-23-0x0000000004C10000-0x00000000051B4000-memory.dmp

Filesize
5.6MB

Download
memory/1524-36-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-34-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-32-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-24-0x0000000002810000-0x0000000002828000-memory.dmp

Filesize
96KB

Download
memory/1524-28-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-26-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-25-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/1524-53-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/1524-55-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/1524-22-0x00000000024D0000-0x00000000024EA000-memory.dmp

Filesize
104KB

Download
memory/2060-59-0x0000000000C80000-0x0000000000CB2000-memory.dmp

Filesize
200KB

Download
memory/2060-60-0x0000000005C30000-0x0000000006248000-memory.dmp

Filesize
6.1MB

Download
memory/2060-61-0x0000000005760000-0x000000000586A000-memory.dmp

Filesize
1.0MB

Download
memory/2060-62-0x0000000005690000-0x00000000056A2000-memory.dmp

Filesize
72KB

Download
memory/2060-63-0x00000000056F0000-0x000000000572C000-memory.dmp

Filesize
240KB

Download
memory/2060-64-0x0000000005870000-0x00000000058BC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads