healer | fa42ffe9f7270e1e17e542107acce4f8ca9af8914c63c03f6aa60dfe8b2e971f

General

Target

fa42ffe9f7270e1e17e542107acce4f8ca9af8914c63c03f6aa60dfe8b2e971f.exe
Size

720KB
MD5

26a6c9f571da1f281827229690bbc262
SHA1

916c94c00abe47abecc7945ed6db2471b32462bf
SHA256

fa42ffe9f7270e1e17e542107acce4f8ca9af8914c63c03f6aa60dfe8b2e971f
SHA512

ddffa882c5da55f3fb6ac445aa5c2a18c56c7f08bd2a6bf66a2dc8bae5fa4e27e6f8ac235c845de3104336bdc68064081f5d1b349b930d7816eb4fa44aab3342
SSDEEP

12288:iICy90HakVOwfql3+fYShpuFNjicL7w/XhhXcSSr6G2K4GgfXt+3:8y6wlJKhpuFNxc/XDZe6XVGgf9+3

Score

10^/10

healer redline mucha dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mucha

C2

83.97.73.131:19071

Attributes

auth_value
5d76e123341992ecf110010eb89456f0

Signatures

Detects Healer an antivirus disabler dropper 3 IoCs

resource	yara_rule
behavioral1/memory/4420-29-0x0000000000500000-0x000000000050A000-memory.dmp	healer
behavioral1/files/0x0007000000023256-37.dat	healer
behavioral1/memory/1624-39-0x0000000000410000-0x000000000041A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper 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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a8761450.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	b1630033.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	b1630033.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	b1630033.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	b1630033.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a8761450.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a8761450.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a8761450.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	b1630033.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	b1630033.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a8761450.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a8761450.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 1 IoCs

resource	yara_rule
behavioral1/memory/1852-44-0x0000000000510000-0x0000000000540000-memory.dmp	family_redline

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features 3 IoCs

resource	yara_rule
behavioral1/memory/4420-29-0x0000000000500000-0x000000000050A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
behavioral1/files/0x0007000000023256-37.dat	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
behavioral1/memory/1624-39-0x0000000000410000-0x000000000041A000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender

Detects executables packed with ConfuserEx Mod 1 IoCs

resource	yara_rule
behavioral1/memory/1852-44-0x0000000000510000-0x0000000000540000-memory.dmp	INDICATOR_EXE_Packed_ConfuserEx

Executes dropped EXE 6 IoCs

pid	Process
2916	v3613920.exe
2236	v9658845.exe
4456	v9161045.exe
4420	a8761450.exe
1624	b1630033.exe
1852	c2402071.exe

Windows security modification 2 TTPs 3 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"	b1630033.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a8761450.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a8761450.exe

Adds Run key to start application 2 TTPs 4 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\\\""	fa42ffe9f7270e1e17e542107acce4f8ca9af8914c63c03f6aa60dfe8b2e971f.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\\\""	v3613920.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\\\""	v9658845.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\""	v9161045.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4420	a8761450.exe
4420	a8761450.exe
1624	b1630033.exe
1624	b1630033.exe
1624	b1630033.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4420	a8761450.exe
Token: SeDebugPrivilege	1624	b1630033.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 2916	536	fa42ffe9f7270e1e17e542107acce4f8ca9af8914c63c03f6aa60dfe8b2e971f.exe	91
PID 536 wrote to memory of 2916	536	fa42ffe9f7270e1e17e542107acce4f8ca9af8914c63c03f6aa60dfe8b2e971f.exe	91
PID 536 wrote to memory of 2916	536	fa42ffe9f7270e1e17e542107acce4f8ca9af8914c63c03f6aa60dfe8b2e971f.exe	91
PID 2916 wrote to memory of 2236	2916	v3613920.exe	92
PID 2916 wrote to memory of 2236	2916	v3613920.exe	92
PID 2916 wrote to memory of 2236	2916	v3613920.exe	92
PID 2236 wrote to memory of 4456	2236	v9658845.exe	93
PID 2236 wrote to memory of 4456	2236	v9658845.exe	93
PID 2236 wrote to memory of 4456	2236	v9658845.exe	93
PID 4456 wrote to memory of 4420	4456	v9161045.exe	94
PID 4456 wrote to memory of 4420	4456	v9161045.exe	94
PID 4456 wrote to memory of 4420	4456	v9161045.exe	94
PID 4456 wrote to memory of 1624	4456	v9161045.exe	104
PID 4456 wrote to memory of 1624	4456	v9161045.exe	104
PID 2236 wrote to memory of 1852	2236	v9658845.exe	106
PID 2236 wrote to memory of 1852	2236	v9658845.exe	106
PID 2236 wrote to memory of 1852	2236	v9658845.exe	106

C:\Users\Admin\AppData\Local\Temp\fa42ffe9f7270e1e17e542107acce4f8ca9af8914c63c03f6aa60dfe8b2e971f.exe
"C:\Users\Admin\AppData\Local\Temp\fa42ffe9f7270e1e17e542107acce4f8ca9af8914c63c03f6aa60dfe8b2e971f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:536
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3613920.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3613920.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9658845.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9658845.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:2236
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9161045.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9161045.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:4456
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8761450.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8761450.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4420
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b1630033.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b1630033.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1624
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c2402071.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c2402071.exe
      4⤵
      Executes dropped EXE
      PID:1852

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:4452

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AppLaunch.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3613920.exe

Filesize
548KB

MD5
433c2b0d9ce1597f843c52dea3e4f048

SHA1
8bcb1bf1a286045fcab2c100178b2763cce35d29

SHA256
2962f1add9c0a50c2256c431c4ae32542fe700f8e7be1cb93d2958a939bcba08

SHA512
8035949de415ce00526ef88f62ad189adccc2f4915b7f7c60b7cf1a967ec529747d2c07c621ec63203b5d63e8b32f8e3d21cd2ed7bc9ef0272712c532de48a57

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9658845.exe

Filesize
423KB

MD5
e2abd5f6615125babc195e782066f8e5

SHA1
29f3d529f0e1f12250c5e9817bd17861478dae59

SHA256
62ccc19a6ec1d2d6ca4eaacd692d328666f8beac9c09ffe63a412680e55f624c

SHA512
c5f21d256dbbe95c5bf75c2a55f877d160ac5b54d9ae6424f01aea2abc5c8083124f012636485a9a2b2ca0c5b401b7cccf5af9d310cf7257131d443c77ef3503

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c2402071.exe

Filesize
251KB

MD5
6871e8c345785cc0af7950ea7289c51d

SHA1
7127a78cef6d5cf2a76d711107da664dc8fc868a

SHA256
17384a96ef0f2009a8cbd85001b77ff401a97d0da7eba7557cae7a7e4b492f3a

SHA512
00ac0509bbc4eb8ff56942c5cf02c22fe9f1a3405295a19b2e847cb156737b6bb0d783df62d5b61a108ab289aab35359f38f61e82b6f324773fe833a13af952a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9161045.exe

Filesize
227KB

MD5
a8e7ce86249fdf3ddc0d2cca9668238b

SHA1
2505f7c21183c240d6026bc5e0c1d401ec6bc250

SHA256
2ce678b314d2fc218b621460467fb18739112eba2928d73e8c19f4c7cfaa2e68

SHA512
5efe328e3ab7db14d238b8aaa6ce0c1cfb8f87dc165ee7ceff216460cdcfc4e3ea181efb3f0946ce44fed4f84996d614a52411862142fefdc5f5703bf1e57bcb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a8761450.exe

Filesize
176KB

MD5
211a06e9ae68ced1234252a48696431b

SHA1
69950e2ee2fafd177d1a295836713bfd8d18df9c

SHA256
0bdca9c84103454e329cfde4e69dc41a0ec0196c078c8fc195b0fa739d2f905d

SHA512
b1643ba376075619335b4bdf0d7610aece13b7c9db60eecb508465f97ef3e6a9d5297f9ac8529886efa052cdd8814ac7d4eeab44812f797a1b2dc5fa967ee7eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b1630033.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
memory/1624-39-0x0000000000410000-0x000000000041A000-memory.dmp

Filesize
40KB

Download
memory/1852-49-0x0000000002410000-0x0000000002416000-memory.dmp

Filesize
24KB

Download
memory/1852-44-0x0000000000510000-0x0000000000540000-memory.dmp

Filesize
192KB

Download
memory/1852-50-0x0000000009EF0000-0x000000000A508000-memory.dmp

Filesize
6.1MB

Download
memory/1852-51-0x000000000A510000-0x000000000A61A000-memory.dmp

Filesize
1.0MB

Download
memory/1852-52-0x000000000A640000-0x000000000A652000-memory.dmp

Filesize
72KB

Download
memory/1852-53-0x000000000A660000-0x000000000A69C000-memory.dmp

Filesize
240KB

Download
memory/1852-54-0x000000000A700000-0x000000000A74C000-memory.dmp

Filesize
304KB

Download
memory/4420-35-0x0000000076850000-0x0000000076AD1000-memory.dmp

Filesize
2.5MB

Download
memory/4420-29-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/4420-28-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads