healer | 67de46bbd73cdacc188958adce49081066782116eb2bf9957638ac890c164841

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2023, 04:47

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General

Target

67de46bbd73cdacc188958adce49081066782116eb2bf9957638ac890c164841.exe
Size

1.0MB
MD5

256796af2c4ec877b2b8b71085feb4f1
SHA1

2139f074c1f66de2bfac2f91c9dc8f760cffa08f
SHA256

67de46bbd73cdacc188958adce49081066782116eb2bf9957638ac890c164841
SHA512

8ddb76ab13bbbbe75702df9c0ca868af74a1887eef4640c2edeb616a40a680f9d62ce1e312c969ba868dd736ce68dcef5758d3b01da5de74fb3932914316e103
SSDEEP

24576:ayc32yZgv8L98D7y79uiR2Ve2jUnrHdHXtfqB:hc39Zz98fy7DR2Nj4HJ

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 2 IoCs

resource	yara_rule
behavioral1/memory/220-154-0x0000000000400000-0x000000000041B000-memory.dmp	healer
behavioral1/memory/220-155-0x0000000000530000-0x000000000053A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k8717220.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k8717220.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k8717220.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k8717220.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k8717220.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k8717220.exe

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

Executes dropped EXE 4 IoCs

pid	Process
1960	y4956252.exe
4928	y4293237.exe
220	k8717220.exe
4432	l9073442.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k8717220.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k8717220.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	67de46bbd73cdacc188958adce49081066782116eb2bf9957638ac890c164841.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\\\""	67de46bbd73cdacc188958adce49081066782116eb2bf9957638ac890c164841.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y4956252.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\\\""	y4956252.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y4293237.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\\\""	y4293237.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
220	k8717220.exe
220	k8717220.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	k8717220.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 1960	2476	67de46bbd73cdacc188958adce49081066782116eb2bf9957638ac890c164841.exe	84
PID 2476 wrote to memory of 1960	2476	67de46bbd73cdacc188958adce49081066782116eb2bf9957638ac890c164841.exe	84
PID 2476 wrote to memory of 1960	2476	67de46bbd73cdacc188958adce49081066782116eb2bf9957638ac890c164841.exe	84
PID 1960 wrote to memory of 4928	1960	y4956252.exe	85
PID 1960 wrote to memory of 4928	1960	y4956252.exe	85
PID 1960 wrote to memory of 4928	1960	y4956252.exe	85
PID 4928 wrote to memory of 220	4928	y4293237.exe	86
PID 4928 wrote to memory of 220	4928	y4293237.exe	86
PID 4928 wrote to memory of 220	4928	y4293237.exe	86
PID 4928 wrote to memory of 4432	4928	y4293237.exe	92
PID 4928 wrote to memory of 4432	4928	y4293237.exe	92
PID 4928 wrote to memory of 4432	4928	y4293237.exe	92

C:\Users\Admin\AppData\Local\Temp\67de46bbd73cdacc188958adce49081066782116eb2bf9957638ac890c164841.exe
"C:\Users\Admin\AppData\Local\Temp\67de46bbd73cdacc188958adce49081066782116eb2bf9957638ac890c164841.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4956252.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4956252.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1960
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4293237.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4293237.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:4928
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k8717220.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k8717220.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:220
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9073442.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9073442.exe
      4⤵
      Executes dropped EXE
      PID:4432

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

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\y4956252.exe

Filesize
884KB

MD5
d8aadbf3d9058bbde8b056eb76b32afd

SHA1
6079fbc0412ddc308643a9b7d8b4c2b7c504a3e4

SHA256
5049b975fb8857ee893c1f446d3ac65795a94044ea27b2d83356695ba490899f

SHA512
0259f905f95f2f5c3e0f18dc66bb6811b8af950fab05ccb701d28d0edafe600ce23afa3dedb82c51dbb21b3567c01c81d7fb29fb791f1f0ee4c58e2097737ae8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4956252.exe

Filesize
884KB

MD5
d8aadbf3d9058bbde8b056eb76b32afd

SHA1
6079fbc0412ddc308643a9b7d8b4c2b7c504a3e4

SHA256
5049b975fb8857ee893c1f446d3ac65795a94044ea27b2d83356695ba490899f

SHA512
0259f905f95f2f5c3e0f18dc66bb6811b8af950fab05ccb701d28d0edafe600ce23afa3dedb82c51dbb21b3567c01c81d7fb29fb791f1f0ee4c58e2097737ae8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4293237.exe

Filesize
701KB

MD5
b4459c01983369b64d2436ba166cf2b9

SHA1
893ff76dc39cdd4615736139628d3dcbd4aadb71

SHA256
6f8f0ea04743cee384a327abe63e19a7feb6fb14a7937ba624f80aa73d9187e6

SHA512
6c723b6e732af733a0a8b0f39d4cb392531cfd832573d5443a7cdc72c68ea85d7d3f21f63104538f7947908c5ad3cb8d57a81008ae46c85ec70d8c91e1ce0278

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4293237.exe

Filesize
701KB

MD5
b4459c01983369b64d2436ba166cf2b9

SHA1
893ff76dc39cdd4615736139628d3dcbd4aadb71

SHA256
6f8f0ea04743cee384a327abe63e19a7feb6fb14a7937ba624f80aa73d9187e6

SHA512
6c723b6e732af733a0a8b0f39d4cb392531cfd832573d5443a7cdc72c68ea85d7d3f21f63104538f7947908c5ad3cb8d57a81008ae46c85ec70d8c91e1ce0278

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k8717220.exe

Filesize
568KB

MD5
50512a214cc6e8e3035026b023710e4b

SHA1
0ef925a2d536fbd6f94c7adc614dfc861be20b89

SHA256
2ddfa85201e8392a5ba6fea7e38b2505e4b1b2d57bccb471e93b53657b6bdedd

SHA512
dad5160088c18f7e372408705f2f812a302a3f42988427665898a67e7c89df3a45ecd2c015f83d38c3375fcb07438f075eccae0d04a7d8363145b8cb54bf4aef

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k8717220.exe

Filesize
568KB

MD5
50512a214cc6e8e3035026b023710e4b

SHA1
0ef925a2d536fbd6f94c7adc614dfc861be20b89

SHA256
2ddfa85201e8392a5ba6fea7e38b2505e4b1b2d57bccb471e93b53657b6bdedd

SHA512
dad5160088c18f7e372408705f2f812a302a3f42988427665898a67e7c89df3a45ecd2c015f83d38c3375fcb07438f075eccae0d04a7d8363145b8cb54bf4aef

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9073442.exe

Filesize
729KB

MD5
64ba86ee5d838a77ca727ce4ff6747d8

SHA1
91daec8199c2f27f4c43b51bb671452414a11247

SHA256
ad4bc3d3a9832fc492eb12e2bf526bc87ce88dc7820232e3d068b38d0161a04f

SHA512
8ee55089ec58c9a0132dd367999a01e4d193e3fb8be7b56193a03b33973b3b10715286e9db4665e432d6571e08c09178ab818274ca3bed0a59c4d95481d7c3a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9073442.exe

Filesize
729KB

MD5
64ba86ee5d838a77ca727ce4ff6747d8

SHA1
91daec8199c2f27f4c43b51bb671452414a11247

SHA256
ad4bc3d3a9832fc492eb12e2bf526bc87ce88dc7820232e3d068b38d0161a04f

SHA512
8ee55089ec58c9a0132dd367999a01e4d193e3fb8be7b56193a03b33973b3b10715286e9db4665e432d6571e08c09178ab818274ca3bed0a59c4d95481d7c3a4

Download Submit
memory/220-154-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/220-155-0x0000000000530000-0x000000000053A000-memory.dmp

Filesize
40KB

Download
memory/220-160-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/220-159-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/220-163-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/4432-173-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/4432-168-0x0000000000570000-0x00000000005A0000-memory.dmp

Filesize
192KB

Download
memory/4432-167-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4432-174-0x000000000A5E0000-0x000000000ABF8000-memory.dmp

Filesize
6.1MB

Download
memory/4432-175-0x000000000A020000-0x000000000A12A000-memory.dmp

Filesize
1.0MB

Download
memory/4432-176-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/4432-177-0x000000000A160000-0x000000000A172000-memory.dmp

Filesize
72KB

Download
memory/4432-178-0x000000000A180000-0x000000000A1BC000-memory.dmp

Filesize
240KB

Download
memory/4432-179-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4432-180-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/4432-181-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download