healer | a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa

General

Target

a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe
Size

720KB
MD5

c0a1bf8516da68434795e2318577a860
SHA1

f0b3284806f991e0d58b7da548ebaa357241bfcb
SHA256

a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa
SHA512

a06b7d8c842f3fdaad856d27eb5fd5b5a365798fdba689cb4e60269469feffaadbacf3195f93588514b1f6961eb5d4337f26224a622e1e04b4afaaa31b411d7a
SSDEEP

12288:MMrwy90WLl8VGQUFXjLRw2DtzgZrNsd6m1JFSQFicTv4jsAamxWcaKIWp0pThr+E:UyPLmVGdRvDtcrGbjF35p/LKIWpmAenj

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/0x000b000000023b7c-19.dat	healer
behavioral1/memory/4908-22-0x0000000000340000-0x000000000034A000-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"	ffL01jq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	ffL01jq.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	ffL01jq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	ffL01jq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	ffL01jq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	ffL01jq.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/0x000a000000023b7d-26.dat	family_redline
behavioral1/memory/1676-28-0x0000000000B80000-0x0000000000BB2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
2392	sbP61cV.exe
4344	sdV72Yd.exe
4908	ffL01jq.exe
1676	hCw91mj.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"	ffL01jq.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\\\""	a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.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\\\""	sbP61cV.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\\\""	sdV72Yd.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	a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbP61cV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sdV72Yd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hCw91mj.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4908	ffL01jq.exe
4908	ffL01jq.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4908	ffL01jq.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2392	2496	a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe	83
PID 2496 wrote to memory of 2392	2496	a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe	83
PID 2496 wrote to memory of 2392	2496	a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe	83
PID 2392 wrote to memory of 4344	2392	sbP61cV.exe	84
PID 2392 wrote to memory of 4344	2392	sbP61cV.exe	84
PID 2392 wrote to memory of 4344	2392	sbP61cV.exe	84
PID 4344 wrote to memory of 4908	4344	sdV72Yd.exe	86
PID 4344 wrote to memory of 4908	4344	sdV72Yd.exe	86
PID 4344 wrote to memory of 1676	4344	sdV72Yd.exe	102
PID 4344 wrote to memory of 1676	4344	sdV72Yd.exe	102
PID 4344 wrote to memory of 1676	4344	sdV72Yd.exe	102

C:\Users\Admin\AppData\Local\Temp\a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe
"C:\Users\Admin\AppData\Local\Temp\a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sbP61cV.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sbP61cV.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sdV72Yd.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sdV72Yd.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4344
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ffL01jq.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ffL01jq.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4908
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hCw91mj.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hCw91mj.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1676

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\sbP61cV.exe

Filesize
533KB

MD5
8b863671145e745536fdf70272997022

SHA1
9e03cf0f473403c404cf83e1948fde10c8765065

SHA256
51ff1a43a1e3febe630655f568bef6a68bb16dfa77eb79bfa665f34da104861b

SHA512
66886f45bc1b72b0e337e88f485207d40e6847c90e10ec3909e721804ab2c6d41f9c3da49e2e2634fdeb3e5fe164ee31540e228cc9b9302c553638630757f128

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sdV72Yd.exe

Filesize
202KB

MD5
c59f2990c2e4b8052c3146020ff3c70f

SHA1
ae3cb454e1f81430749899ca706d95282e0705aa

SHA256
539891f89cee4ec2358c4828582855bbccbebee53e463e2a8664c072a421567f

SHA512
16801497df5a96b52f4d4d7f1a9e0d482bd94698eeda10223dfeb27a9729464bee1243d06a56a28a2641cf33370168b63a8ad89dbcd71917c767f05273b5a7ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ffL01jq.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hCw91mj.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1676-30-0x0000000005660000-0x000000000576A000-memory.dmp

Filesize
1.0MB

Download
memory/1676-28-0x0000000000B80000-0x0000000000BB2000-memory.dmp

Filesize
200KB

Download
memory/1676-29-0x0000000005AF0000-0x0000000006108000-memory.dmp

Filesize
6.1MB

Download
memory/1676-31-0x0000000005590000-0x00000000055A2000-memory.dmp

Filesize
72KB

Download
memory/1676-32-0x0000000005610000-0x000000000564C000-memory.dmp

Filesize
240KB

Download
memory/1676-33-0x00000000055B0000-0x00000000055FC000-memory.dmp

Filesize
304KB

Download
memory/4908-24-0x00007FFB289D3000-0x00007FFB289D5000-memory.dmp

Filesize
8KB

Download
memory/4908-22-0x0000000000340000-0x000000000034A000-memory.dmp

Filesize
40KB

Download
memory/4908-21-0x00007FFB289D3000-0x00007FFB289D5000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads