healer | e22a5cadeacc1a9d95354d85bdc17f6ab2dc5d23efe7df6d3d4683fb7b881a52

Analysis

max time kernel
126s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2024 18:26

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General

Target

b567e2a99fadbe5df72750afd38b655036141fe91ab1982084901d6855e1c6c5.exe
Size

1.7MB
MD5

48726ab44afa6b367798416a0a9ad7fd
SHA1

ce93701961e083eb42672752ee274a00a3e1a658
SHA256

b567e2a99fadbe5df72750afd38b655036141fe91ab1982084901d6855e1c6c5
SHA512

03e8402e4f774dab2157c12264d157bac559a6f259d146b8bfd0592c880308607995e2bf7b53c5e61d1f9ad556601edc9d2b9b1bc9d833a101329c89cd9b8c42
SSDEEP

24576:/yT8NOIybemiPHi+dlVXGZ1ph/GauSeqOBNUCLrQ17AGP9+kvHDvkjEvt4kxhlhs:KT8Tybe/DVXGPrxxg0Gra91vLD1x5

Score

10^/10

healer redline masha dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

masha

77.91.68.48:19071

Attributes

auth_value
55b9b39a0dae383196a4b8d79e5bb805

Signatures

Detects Healer an antivirus disabler dropper 3 IoCs

resource	yara_rule
behavioral22/memory/1372-28-0x0000000000500000-0x000000000050A000-memory.dmp	healer
behavioral22/files/0x0007000000023449-35.dat	healer
behavioral22/memory/1308-37-0x0000000000730000-0x000000000073A000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a4988471.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a4988471.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	b2534508.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	b2534508.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	b2534508.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	b2534508.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	b2534508.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a4988471.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a4988471.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a4988471.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a4988471.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	b2534508.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
behavioral22/memory/1464-42-0x0000000000640000-0x0000000000670000-memory.dmp	family_redline

Executes dropped EXE 6 IoCs

pid	Process
3728	v3676714.exe
3244	v4393292.exe
1844	v7581476.exe
1372	a4988471.exe
1308	b2534508.exe
1464	c4553836.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	a4988471.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a4988471.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	b2534508.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_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	v4393292.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\\\""	v7581476.exe
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\\\""	b567e2a99fadbe5df72750afd38b655036141fe91ab1982084901d6855e1c6c5.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\\\""	v3676714.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1372	a4988471.exe
1372	a4988471.exe
1308	b2534508.exe
1308	b2534508.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1372	a4988471.exe
Token: SeDebugPrivilege	1308	b2534508.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 3728	2332	b567e2a99fadbe5df72750afd38b655036141fe91ab1982084901d6855e1c6c5.exe	82
PID 2332 wrote to memory of 3728	2332	b567e2a99fadbe5df72750afd38b655036141fe91ab1982084901d6855e1c6c5.exe	82
PID 2332 wrote to memory of 3728	2332	b567e2a99fadbe5df72750afd38b655036141fe91ab1982084901d6855e1c6c5.exe	82
PID 3728 wrote to memory of 3244	3728	v3676714.exe	84
PID 3728 wrote to memory of 3244	3728	v3676714.exe	84
PID 3728 wrote to memory of 3244	3728	v3676714.exe	84
PID 3244 wrote to memory of 1844	3244	v4393292.exe	85
PID 3244 wrote to memory of 1844	3244	v4393292.exe	85
PID 3244 wrote to memory of 1844	3244	v4393292.exe	85
PID 1844 wrote to memory of 1372	1844	v7581476.exe	88
PID 1844 wrote to memory of 1372	1844	v7581476.exe	88
PID 1844 wrote to memory of 1372	1844	v7581476.exe	88
PID 1844 wrote to memory of 1308	1844	v7581476.exe	90
PID 1844 wrote to memory of 1308	1844	v7581476.exe	90
PID 3244 wrote to memory of 1464	3244	v4393292.exe	93
PID 3244 wrote to memory of 1464	3244	v4393292.exe	93
PID 3244 wrote to memory of 1464	3244	v4393292.exe	93

C:\Users\Admin\AppData\Local\Temp\b567e2a99fadbe5df72750afd38b655036141fe91ab1982084901d6855e1c6c5.exe
"C:\Users\Admin\AppData\Local\Temp\b567e2a99fadbe5df72750afd38b655036141fe91ab1982084901d6855e1c6c5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3676714.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3676714.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3728
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4393292.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4393292.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:3244
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v7581476.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v7581476.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:1844
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a4988471.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a4988471.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1372
    - - C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2534508.exe
        
        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2534508.exe
        5⤵
        Modifies Windows Defender Real-time Protection settings
        Executes dropped EXE
        Windows security modification
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1308
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4553836.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4553836.exe
      4⤵
      Executes dropped EXE
      PID:1464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3676714.exe

Filesize
1.5MB

MD5
32f4cf8131e9fc74c4d7168856fc25bf

SHA1
91ad69566d15d609753bf460e473f1cb450768e5

SHA256
a1ef65438e4a2438df921312be2b65e4f4c3c7ce79975e046e4b6404d8ab75a1

SHA512
7b58a17168d21ada4551db4f7640b510d806dae709541c2b605e6fb8ba9573349adabe903d3cf36bcc2228f2b422b530a1a2cc9e63deb3754f358535d560af5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4393292.exe

Filesize
1.4MB

MD5
062f561c8a3d6662aee5199d57c96d7e

SHA1
67110402e1525dc59204b1955104ed7f3166cd65

SHA256
093bbca595f9f179335d27678fe6fcb25cb08d22c093849ef790abc3da10245a

SHA512
b2689d215eb8f3c3e6f5f15e788b623463ad275daf8a9986ceffb728c423fbfea0f2ded850df73cef537dc084d35284837a591f3a52b0070710e5a7bde4d8eb8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4553836.exe

Filesize
1.7MB

MD5
40a2c1e0fe426012fb45a4a23e4f8466

SHA1
c8e3a5013932775f1a4d922befdbea2ea443ff2c

SHA256
1660800bfffa705655117608f880fcda5409645459a11fffbf663dfda5d9d918

SHA512
94f55e80039ca5db30e4d404b5989196bc0bc30f40bdc30d07ebafaa98e38767dd83d3dd248d3af01ffc46b626c7a7d7e2e59e2e23f406d0c1dd8ee2e2c3faa6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v7581476.exe

Filesize
655KB

MD5
a26238d202d8891b8c41ff825b824562

SHA1
72177137f475b1559aa5e5bd2cd16684e686b2aa

SHA256
d0cd9cfc33e4f832251048419212aff0f9a1a9a0bb5bb626b5ef2b010a53e8a6

SHA512
43c9a0b662bd180b9f612d63509c71fe54fb944680b6ad5b21ec3b0911a6a6ed5ae3acd0371f463cbb2f01ac78a0f23a028bdaf60e38dceaac9e2b20e1f420cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a4988471.exe

Filesize
640KB

MD5
dc103ca98f7c49cb23c3f0cc68bc0eb7

SHA1
2daec3ebbbadbf4fa60cc7b28715b687b403c51d

SHA256
83002e9175bfacfa1ec914ac38844260d00b690faa2b52a5bdd32a63232b718c

SHA512
5a80575884414bd90dd16b16fe67f2eec1829a79f4b8cdc053b0fa69b8e9b4b4f7d95df0e979f37ba7ed48646c34fd11ff54c9eddec1870cf4c6efac05d6002c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b2534508.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
memory/1308-37-0x0000000000730000-0x000000000073A000-memory.dmp

Filesize
40KB

Download
memory/1372-28-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/1464-42-0x0000000000640000-0x0000000000670000-memory.dmp

Filesize
192KB

Download
memory/1464-47-0x0000000004A60000-0x0000000004A66000-memory.dmp

Filesize
24KB

Download
memory/1464-48-0x00000000051D0000-0x00000000057E8000-memory.dmp

Filesize
6.1MB

Download
memory/1464-49-0x0000000004BC0000-0x0000000004CCA000-memory.dmp

Filesize
1.0MB

Download
memory/1464-50-0x0000000004D00000-0x0000000004D12000-memory.dmp

Filesize
72KB

Download
memory/1464-51-0x0000000004D20000-0x0000000004D5C000-memory.dmp

Filesize
240KB

Download
memory/1464-52-0x0000000004DC0000-0x0000000004E0C000-memory.dmp

Filesize
304KB

Download