healer | fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0

General

Target

fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0N.exe
Size

500KB
MD5

5b7cbdabd697807241fa345561234840
SHA1

1e0f775f2aa58a3cd34626021ec005ddf429fb13
SHA256

fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0
SHA512

8af0a9efbd86ac20d9c081cc85026f7b93a51b02720c78bc6601bda38e674965d5bd5f1c864483720369a8dd5b77a76e8078bbca44c6d68733a83ebee4918053
SSDEEP

6144:KUy+bnr+Yp0yN90QEJzVNFfyqIHzemFT5Bc9sRfahJY/ddxRmJoM98QAaIyIfYxz:AMrUy90nzVNFf/bW3cDW/7ivygPYmtH

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/0x000b000000023b9d-12.dat	healer
behavioral1/memory/412-15-0x0000000000FF0000-0x0000000000FFA000-memory.dmp	healer
behavioral1/memory/3232-22-0x0000000002510000-0x000000000252A000-memory.dmp	healer
behavioral1/memory/3232-24-0x0000000002810000-0x0000000002828000-memory.dmp	healer
behavioral1/memory/3232-25-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-30-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-52-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-50-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-49-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-46-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-45-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-42-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-40-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-36-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-34-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-32-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-28-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-26-0x0000000002810000-0x0000000002822000-memory.dmp	healer
behavioral1/memory/3232-38-0x0000000002810000-0x0000000002822000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	dgx10FF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	eTD82xj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	eTD82xj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	eTD82xj.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	dgx10FF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	dgx10FF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	dgx10FF.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	eTD82xj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	eTD82xj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	eTD82xj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	dgx10FF.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	dgx10FF.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/0x000a000000023b9b-57.dat	family_redline
behavioral1/memory/620-59-0x0000000000980000-0x00000000009B2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4784	nSr55TK72.exe
412	dgx10FF.exe
3232	eTD82xj.exe
620	fWr66Qz.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	eTD82xj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	eTD82xj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	dgx10FF.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\\\""	fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0N.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\\\""	nSr55TK72.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1580	3232	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	eTD82xj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fWr66Qz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nSr55TK72.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
412	dgx10FF.exe
412	dgx10FF.exe
3232	eTD82xj.exe
3232	eTD82xj.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	412	dgx10FF.exe
Token: SeDebugPrivilege	3232	eTD82xj.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 4784	2560	fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0N.exe	83
PID 2560 wrote to memory of 4784	2560	fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0N.exe	83
PID 2560 wrote to memory of 4784	2560	fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0N.exe	83
PID 4784 wrote to memory of 412	4784	nSr55TK72.exe	84
PID 4784 wrote to memory of 412	4784	nSr55TK72.exe	84
PID 4784 wrote to memory of 3232	4784	nSr55TK72.exe	93
PID 4784 wrote to memory of 3232	4784	nSr55TK72.exe	93
PID 4784 wrote to memory of 3232	4784	nSr55TK72.exe	93
PID 2560 wrote to memory of 620	2560	fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0N.exe	98
PID 2560 wrote to memory of 620	2560	fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0N.exe	98
PID 2560 wrote to memory of 620	2560	fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0N.exe	98

C:\Users\Admin\AppData\Local\Temp\fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0N.exe
"C:\Users\Admin\AppData\Local\Temp\fdf7549a620a53028e2cd3e9fcef7f33ca0089ab520e58567b9694c5deb1b1f0N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSr55TK72.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSr55TK72.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4784
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dgx10FF.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dgx10FF.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:412
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTD82xj.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTD82xj.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:3232
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3232 -s 1104
      4⤵
      Program crash
      PID:1580
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fWr66Qz.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fWr66Qz.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3232 -ip 3232
1⤵
PID:1752

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\fWr66Qz.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSr55TK72.exe

Filesize
355KB

MD5
2a342fd7ff8a3ba2a076fcaa5656e0e8

SHA1
d1fa2269bca443b2f43fa57a1447bec69305b3fb

SHA256
b7321531cba141bfe3f51d419d3f57e31f76084765ba0b658fd102a591650e39

SHA512
ea8ce79c26c86b177dcc83179e28b449c88b49adc49676dd7cb528eac73feabc162617c5479316f7a2ad519d93fafdc00d57d6bf94485d8af729fb8740826b69

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dgx10FF.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eTD82xj.exe

Filesize
295KB

MD5
dd0adf92524d842b17843e3a38769564

SHA1
4b34fbf5dade2193630f92053be9f0dcfe563d3c

SHA256
489cdd40de47bde8a31100897afafb3213c01de9cab0bc656e3cbf01c48e3682

SHA512
7fbb9c9ad3df3bfd0ae3741bf76c92bdd9ea3f23e1316f4948a60e1efc3ff6dcbd4d37d7da725659fa38a0cbc0fc41d1dc85515d56b15af5cbf891bfe6853bc2

Download Submit
memory/412-14-0x00007FFFD9BA3000-0x00007FFFD9BA5000-memory.dmp

Filesize
8KB

Download
memory/412-15-0x0000000000FF0000-0x0000000000FFA000-memory.dmp

Filesize
40KB

Download
memory/412-16-0x00007FFFD9BA3000-0x00007FFFD9BA5000-memory.dmp

Filesize
8KB

Download
memory/620-64-0x0000000005270000-0x00000000052BC000-memory.dmp

Filesize
304KB

Download
memory/620-62-0x0000000005250000-0x0000000005262000-memory.dmp

Filesize
72KB

Download
memory/620-61-0x0000000005320000-0x000000000542A000-memory.dmp

Filesize
1.0MB

Download
memory/620-60-0x00000000057A0000-0x0000000005DB8000-memory.dmp

Filesize
6.1MB

Download
memory/620-59-0x0000000000980000-0x00000000009B2000-memory.dmp

Filesize
200KB

Download
memory/620-63-0x0000000005430000-0x000000000546C000-memory.dmp

Filesize
240KB

Download
memory/3232-42-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-26-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-45-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-49-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-40-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-36-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-34-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-32-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-28-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-46-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-38-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-53-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/3232-55-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/3232-50-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-52-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-30-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-25-0x0000000002810000-0x0000000002822000-memory.dmp

Filesize
72KB

Download
memory/3232-24-0x0000000002810000-0x0000000002828000-memory.dmp

Filesize
96KB

Download
memory/3232-23-0x0000000004CD0000-0x0000000005274000-memory.dmp

Filesize
5.6MB

Download
memory/3232-22-0x0000000002510000-0x000000000252A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads