healer | 681d1dab17a6bb219f5332b458f1d3519d06e113d09258218d4a17663c1aa8f7

General

Target

681d1dab17a6bb219f5332b458f1d3519d06e113d09258218d4a17663c1aa8f7.exe
Size

723KB
MD5

6c4e3ff4bd78d3f1e4655ecaaafcbb4b
SHA1

2d836146f647e271a6847c67cefe05b221ae1ec6
SHA256

681d1dab17a6bb219f5332b458f1d3519d06e113d09258218d4a17663c1aa8f7
SHA512

baa6d1ef6cf8b09ed3bb755919e3ad8d4d55a81db2e83f0918e16b496cab6a82199acfc9c6d97a01a6bd4e1520f85cc565f747e2fe02b4e122add45f28a1e692
SSDEEP

12288:GMr8y90ONHaU98k9Mcu6xfzeX0GPjY2Ka+v5CEYAewE9WsjZUAUVoS8oJAEF:yybaUlTumreX0kNcCEYAE9ljifV73

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 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023ccd-19.dat	healer
behavioral1/memory/1484-22-0x0000000000690000-0x000000000069A000-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\Policies\Microsoft\Windows Defender\Real-Time Protection	fuL04tt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	fuL04tt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	fuL04tt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	fuL04tt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	fuL04tt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	fuL04tt.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/0x0007000000023cce-26.dat	family_redline
behavioral1/memory/2276-28-0x0000000000010000-0x0000000000042000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4108	sBd21ja.exe
2444	sOK13Tm.exe
1484	fuL04tt.exe
2276	hRu17dU.exe

Windows security modification 2 TTPs 1 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"	fuL04tt.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\\\""	681d1dab17a6bb219f5332b458f1d3519d06e113d09258218d4a17663c1aa8f7.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\\\""	sBd21ja.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\\\""	sOK13Tm.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	sBd21ja.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sOK13Tm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hRu17dU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	681d1dab17a6bb219f5332b458f1d3519d06e113d09258218d4a17663c1aa8f7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1484	fuL04tt.exe
1484	fuL04tt.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1484	fuL04tt.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 4108	4588	681d1dab17a6bb219f5332b458f1d3519d06e113d09258218d4a17663c1aa8f7.exe	85
PID 4588 wrote to memory of 4108	4588	681d1dab17a6bb219f5332b458f1d3519d06e113d09258218d4a17663c1aa8f7.exe	85
PID 4588 wrote to memory of 4108	4588	681d1dab17a6bb219f5332b458f1d3519d06e113d09258218d4a17663c1aa8f7.exe	85
PID 4108 wrote to memory of 2444	4108	sBd21ja.exe	86
PID 4108 wrote to memory of 2444	4108	sBd21ja.exe	86
PID 4108 wrote to memory of 2444	4108	sBd21ja.exe	86
PID 2444 wrote to memory of 1484	2444	sOK13Tm.exe	87
PID 2444 wrote to memory of 1484	2444	sOK13Tm.exe	87
PID 2444 wrote to memory of 2276	2444	sOK13Tm.exe	94
PID 2444 wrote to memory of 2276	2444	sOK13Tm.exe	94
PID 2444 wrote to memory of 2276	2444	sOK13Tm.exe	94

C:\Users\Admin\AppData\Local\Temp\681d1dab17a6bb219f5332b458f1d3519d06e113d09258218d4a17663c1aa8f7.exe
"C:\Users\Admin\AppData\Local\Temp\681d1dab17a6bb219f5332b458f1d3519d06e113d09258218d4a17663c1aa8f7.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sBd21ja.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sBd21ja.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4108
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOK13Tm.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOK13Tm.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2444
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fuL04tt.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fuL04tt.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1484
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hRu17dU.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hRu17dU.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2276

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\sBd21ja.exe

Filesize
537KB

MD5
6292e15d467e3ed68e112879e6b5d565

SHA1
0e3113241df8b4f0b35d08e5c8aa150c66965f76

SHA256
b5c601dc3fc7909105cff20f10fe8d5d4a9c6ed24f055ba69995ec6f84db08d1

SHA512
e140c8f37ab15e7824d4ae8c11ef8d69b63a99a1043a85545cbd7a381dcec1bcf3fee843292d4e7b9b1e9cc46a693869d748cd278b461cca116f341c0df392eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sOK13Tm.exe

Filesize
202KB

MD5
b03946d06bf95f298f818e1ffcbfa1e0

SHA1
7cae679c205676bab6a3f690716a37ddfa2dc577

SHA256
c70ed24ea586531677a501bd6a43a871957aa405be377a3fc2864a71f6f3090b

SHA512
97d2ae6b1abd0bf1acfe7d35bf11fe4c740a07dce5c03d365ca04cc79afaab0991148baf5fbb7bb1b8d3d87ce07e58f584572ba54ca3b08e81f5a99a646ded37

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fuL04tt.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hRu17dU.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1484-21-0x00007FFC36C73000-0x00007FFC36C75000-memory.dmp

Filesize
8KB

Download
memory/1484-23-0x00007FFC36C73000-0x00007FFC36C75000-memory.dmp

Filesize
8KB

Download
memory/1484-22-0x0000000000690000-0x000000000069A000-memory.dmp

Filesize
40KB

Download
memory/2276-28-0x0000000000010000-0x0000000000042000-memory.dmp

Filesize
200KB

Download
memory/2276-29-0x0000000004F60000-0x0000000005578000-memory.dmp

Filesize
6.1MB

Download
memory/2276-30-0x0000000004AE0000-0x0000000004BEA000-memory.dmp

Filesize
1.0MB

Download
memory/2276-31-0x0000000004A10000-0x0000000004A22000-memory.dmp

Filesize
72KB

Download
memory/2276-32-0x0000000004A70000-0x0000000004AAC000-memory.dmp

Filesize
240KB

Download
memory/2276-33-0x0000000004BF0000-0x0000000004C3C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads