healer | a0b461c00fcc81acf0eefac92446b3e0e2bb7758b1ae5f2fd56842935d36220f

General

Target

a0b461c00fcc81acf0eefac92446b3e0e2bb7758b1ae5f2fd56842935d36220f.exe
Size

723KB
MD5

c6cb4a7b160762231e61848ddccafc1d
SHA1

1961116c001fd6736664d5bca39023c2e56449b9
SHA256

a0b461c00fcc81acf0eefac92446b3e0e2bb7758b1ae5f2fd56842935d36220f
SHA512

079c784a134a2f1fbe3db09ecd8778d6726d2a3e1899caa8e464226228fb1fd8044b907295685f2207d5c4d14663d0eb737a2af733bbad4f17a09be6c5cfa0fa
SSDEEP

12288:FMrvy90Rb+J5oAJgXk5UTgNWHYCZl3KXV7njTEYA5UY0UWkBFx56Rzg/J2MB2i:WyObm5Nb5ULqXVzjTEYAYRtc/sMBx

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/0x0008000000023cbd-19.dat	healer
behavioral1/memory/1464-22-0x0000000000E50000-0x0000000000E5A000-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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	iAJ12wj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	iAJ12wj.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	iAJ12wj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	iAJ12wj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	iAJ12wj.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	iAJ12wj.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/0x0007000000023cbe-27.dat	family_redline
behavioral1/memory/4660-28-0x0000000000AC0000-0x0000000000AF2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4400	str20ku.exe
1980	scQ15wt.exe
1464	iAJ12wj.exe
4660	kxu85rZ.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"	iAJ12wj.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\\\""	a0b461c00fcc81acf0eefac92446b3e0e2bb7758b1ae5f2fd56842935d36220f.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\\\""	str20ku.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\\\""	scQ15wt.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	str20ku.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scQ15wt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kxu85rZ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a0b461c00fcc81acf0eefac92446b3e0e2bb7758b1ae5f2fd56842935d36220f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1464	iAJ12wj.exe
1464	iAJ12wj.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1464	iAJ12wj.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 4400	4912	a0b461c00fcc81acf0eefac92446b3e0e2bb7758b1ae5f2fd56842935d36220f.exe	86
PID 4912 wrote to memory of 4400	4912	a0b461c00fcc81acf0eefac92446b3e0e2bb7758b1ae5f2fd56842935d36220f.exe	86
PID 4912 wrote to memory of 4400	4912	a0b461c00fcc81acf0eefac92446b3e0e2bb7758b1ae5f2fd56842935d36220f.exe	86
PID 4400 wrote to memory of 1980	4400	str20ku.exe	87
PID 4400 wrote to memory of 1980	4400	str20ku.exe	87
PID 4400 wrote to memory of 1980	4400	str20ku.exe	87
PID 1980 wrote to memory of 1464	1980	scQ15wt.exe	88
PID 1980 wrote to memory of 1464	1980	scQ15wt.exe	88
PID 1980 wrote to memory of 4660	1980	scQ15wt.exe	96
PID 1980 wrote to memory of 4660	1980	scQ15wt.exe	96
PID 1980 wrote to memory of 4660	1980	scQ15wt.exe	96

C:\Users\Admin\AppData\Local\Temp\a0b461c00fcc81acf0eefac92446b3e0e2bb7758b1ae5f2fd56842935d36220f.exe
"C:\Users\Admin\AppData\Local\Temp\a0b461c00fcc81acf0eefac92446b3e0e2bb7758b1ae5f2fd56842935d36220f.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\str20ku.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\str20ku.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4400
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\scQ15wt.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\scQ15wt.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1980
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iAJ12wj.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iAJ12wj.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1464
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kxu85rZ.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kxu85rZ.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4660

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\str20ku.exe

Filesize
537KB

MD5
8d730c8e52760c5011d34e5876e328b9

SHA1
6448360be4df853449ed4563453db74e774bd3c1

SHA256
70c3e8eec1c71179ecf14363c731edb69316be49bc4210fd66a8d44480a773e3

SHA512
7733c995dda7a90debae27137c80020568f92d42a2cdb2a4485c143bd35b6da4be73960266aca6e53aef664913a5b37ea68bda139cd699b4b85256a6ed0b2c57

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\scQ15wt.exe

Filesize
202KB

MD5
ae3df87cc21205a85b88f8cb864d196c

SHA1
9676689b4951e2dd917b7de6b23bafd31dfe4f8f

SHA256
95a58dc38a913a425f261253a2e83f3555e40b683399b4577a30a6686d970492

SHA512
a1d229cded8924ad4197803207dd774e6cc1d97fbe0afcb66c6e4eb33e5ceaa84ba359fcce04d6f64c2abd0cf149452b727ddaca0a394145b1ce3e1512c4e90c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\iAJ12wj.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kxu85rZ.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1464-21-0x00007FFE57E03000-0x00007FFE57E05000-memory.dmp

Filesize
8KB

Download
memory/1464-23-0x00007FFE57E03000-0x00007FFE57E05000-memory.dmp

Filesize
8KB

Download
memory/1464-22-0x0000000000E50000-0x0000000000E5A000-memory.dmp

Filesize
40KB

Download
memory/4660-28-0x0000000000AC0000-0x0000000000AF2000-memory.dmp

Filesize
200KB

Download
memory/4660-29-0x0000000005A40000-0x0000000006058000-memory.dmp

Filesize
6.1MB

Download
memory/4660-30-0x00000000055A0000-0x00000000056AA000-memory.dmp

Filesize
1.0MB

Download
memory/4660-31-0x00000000054D0000-0x00000000054E2000-memory.dmp

Filesize
72KB

Download
memory/4660-32-0x0000000005530000-0x000000000556C000-memory.dmp

Filesize
240KB

Download
memory/4660-33-0x00000000056B0000-0x00000000056FC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads