healer | e60b82788505957606f590b672c72ef9ab3fa78fa4e578bfc82d65f7cdad75dc

Analysis

max time kernel
145s
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
08/07/2023, 02:02

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General

Target
7e3bf25d0e782473f1807d41d8d8b5fa.exe
Size 529KB
Sample230708-cf43ysde4s
SHA256 e60b82788505957606f590b672c72ef9ab3fa78fa4e578bfc82d65f7cdad75dc
MD5 7e3bf25d0e782473f1807d41d8d8b5fa
SHA1 fca957235b6913e4468d57c68f59865328bc2999
SHA512 4ddb86eacce2687321da99fd28c0dfa6449cffa79aad50e032740f453bc0b88a99f3aacc90fc0f38ee13955d1aed615d9316568860d149ab146c17ead717fe2d
SSDEEP 12288:aPWAkfvBaRdnQgnrwbj/b/+HNg8K4d3XipDwGhOQA/L8:aPWAuvB82gnQz+HNlUZha8
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

healer redline furod dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

furod

77.91.68.70:19073

Attributes

auth_value
d2386245fe11799b28b4521492a5879d

Signatures

Detects Healer an antivirus disabler dropper 1 IoCs

resource	yara_rule
behavioral2/memory/3904-153-0x00000000001F0000-0x00000000001FA000-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	k4557124.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k4557124.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k4557124.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k4557124.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k4557124.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k4557124.exe

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

Executes dropped EXE 3 IoCs

pid	Process
5068	y3733241.exe
3904	k4557124.exe
1640	l1224419.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	k4557124.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k4557124.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y3733241.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\\\""	y3733241.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	7e3bf25d0e782473f1807d41d8d8b5fa.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\\\""	7e3bf25d0e782473f1807d41d8d8b5fa.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3904	k4557124.exe
3904	k4557124.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3904	k4557124.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 5068	2888	7e3bf25d0e782473f1807d41d8d8b5fa.exe	85
PID 2888 wrote to memory of 5068	2888	7e3bf25d0e782473f1807d41d8d8b5fa.exe	85
PID 2888 wrote to memory of 5068	2888	7e3bf25d0e782473f1807d41d8d8b5fa.exe	85
PID 5068 wrote to memory of 3904	5068	y3733241.exe	86
PID 5068 wrote to memory of 3904	5068	y3733241.exe	86
PID 5068 wrote to memory of 3904	5068	y3733241.exe	86
PID 5068 wrote to memory of 1640	5068	y3733241.exe	88
PID 5068 wrote to memory of 1640	5068	y3733241.exe	88
PID 5068 wrote to memory of 1640	5068	y3733241.exe	88

C:\Users\Admin\AppData\Local\Temp\7e3bf25d0e782473f1807d41d8d8b5fa.exe
"C:\Users\Admin\AppData\Local\Temp\7e3bf25d0e782473f1807d41d8d8b5fa.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3733241.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3733241.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:5068
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4557124.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4557124.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3904
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l1224419.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l1224419.exe
    3⤵
    - Executes dropped EXE
    PID:1640

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

Replay Monitor

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Downloads

System.dll.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log
Size 226B
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
MD5 SHA1 SHA512

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y3733241.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3733241.exe
Size 261KB
SHA256 f46b057bba5e4826b00a309a3bdf03e7d64dc5c8b5c398e6f0672b4af2ce5937
MD5 dba51a65d9a83b6d4a3732720401a0e4
SHA1 debaddc30a33ec08e67a775bb5019af2ad8d0457
SHA512 ada55846e9e43dcd61a853b66067741dac021d2be9fb01b6ffdc27745cc0ffbc5a86dc823207bbc9525f04c69c9402c47eaffb891df20f716e69efc105c1917c
SSDEEP 6144:K0y+bnr+Qp0yN90QENLNNHN4LRnC0jfle:0Mrsy90jLNNuDjI
MD5 SHA1 SHA512 SSDEEP

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y3733241.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3733241.exe
Size 261KB
SHA256 f46b057bba5e4826b00a309a3bdf03e7d64dc5c8b5c398e6f0672b4af2ce5937
MD5 dba51a65d9a83b6d4a3732720401a0e4
SHA1 debaddc30a33ec08e67a775bb5019af2ad8d0457
SHA512 ada55846e9e43dcd61a853b66067741dac021d2be9fb01b6ffdc27745cc0ffbc5a86dc823207bbc9525f04c69c9402c47eaffb891df20f716e69efc105c1917c
SSDEEP 6144:K0y+bnr+Qp0yN90QENLNNHN4LRnC0jfle:0Mrsy90jLNNuDjI
MD5 SHA1 SHA512 SSDEEP

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k4557124.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4557124.exe
Size 96KB
SHA256 af407ad869a9cb7899f77bed41a04f2bf37af59760bab821d155b60878c71ed8
MD5 aacb21b934d36af5d7a9cdbd695afbc0
SHA1 254637f7072cdb98034c7818f324d0e11734f3a3
SHA512 c362d25cda6d19a4f3a031adefd040df0281c36fb6e05b274c1c759f0b53b61f71cb9f7608fff110681c1e2e17c13f4a537c45b0d6095ac9a4e8d1c3c9e15212
SSDEEP 1536:5ryCiCZ3bHTgPtPkYy21+3uFQyFopAbaC7qQwH7PxE:Vli+rkVzDQuFQyCAWCejxE
MD5 SHA1 SHA512 SSDEEP

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k4557124.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4557124.exe
Size 96KB
SHA256 af407ad869a9cb7899f77bed41a04f2bf37af59760bab821d155b60878c71ed8
MD5 aacb21b934d36af5d7a9cdbd695afbc0
SHA1 254637f7072cdb98034c7818f324d0e11734f3a3
SHA512 c362d25cda6d19a4f3a031adefd040df0281c36fb6e05b274c1c759f0b53b61f71cb9f7608fff110681c1e2e17c13f4a537c45b0d6095ac9a4e8d1c3c9e15212
SSDEEP 1536:5ryCiCZ3bHTgPtPkYy21+3uFQyFopAbaC7qQwH7PxE:Vli+rkVzDQuFQyCAWCejxE
MD5 SHA1 SHA512 SSDEEP

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l1224419.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l1224419.exe
Size 257KB
SHA256 6785f40223069ec3ac786c364826ca26817482175ed55d702ece15412e455b1e
MD5 dd79de80cfba70a3b96fee19f36c7034
SHA1 97638fe9bbeb57264dbffae2c291eb4a38ab8090
SHA512 95e2233feac4a0aaca2fe661ed5e7a0df93519004225c019ab7763a0465d2264626ff5f97f18ad30c9d88612eb32ac7d3e6de24f9659dbb2a003923645ada44b
SSDEEP 6144:aBIzzZp+ly2WtzH7NrIrBJjvft5LZFL92hUPEInF:aBIzNIYR0vfjZZ92hUt
MD5 SHA1 SHA512 SSDEEP

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l1224419.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l1224419.exe
Size 257KB
SHA256 6785f40223069ec3ac786c364826ca26817482175ed55d702ece15412e455b1e
MD5 dd79de80cfba70a3b96fee19f36c7034
SHA1 97638fe9bbeb57264dbffae2c291eb4a38ab8090
SHA512 95e2233feac4a0aaca2fe661ed5e7a0df93519004225c019ab7763a0465d2264626ff5f97f18ad30c9d88612eb32ac7d3e6de24f9659dbb2a003923645ada44b
SSDEEP 6144:aBIzzZp+ly2WtzH7NrIrBJjvft5LZFL92hUPEInF:aBIzNIYR0vfjZZ92hUt
MD5 SHA1 SHA512 SSDEEP

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memory/1640-162-0x0000000000490000-0x00000000004C0000-memory.dmp

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memory/1640-167-0x000000000A0B0000-0x000000000A6C8000-memory.dmp

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memory/1640-168-0x000000000A760000-0x000000000A86A000-memory.dmp

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memory/1640-169-0x000000000A8A0000-0x000000000A8B2000-memory.dmp

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memory/1640-170-0x000000000A8C0000-0x000000000A8FC000-memory.dmp

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memory/1640-171-0x0000000004C10000-0x0000000004C20000-memory.dmp

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memory/1640-172-0x0000000004C10000-0x0000000004C20000-memory.dmp

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memory/2888-133-0x0000000000780000-0x00000000007F4000-memory.dmp

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memory/3904-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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