healer | 250bd3541d4ea5adce1999928b5c865e7d6e2eaad4aa92fc3b45d6db55759906

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
07/07/2023, 14:55

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General

Target
0e0594e714178d60ee208495f49f1051.exe
Size 529KB
Sample230707-sae5msag81
SHA256 250bd3541d4ea5adce1999928b5c865e7d6e2eaad4aa92fc3b45d6db55759906
MD5 0e0594e714178d60ee208495f49f1051
SHA1 069e39cce3e8e5278e97545bba384133e62ec1a4
SHA512 7b932fcce93d5f091e2229041c8daed68f63272b1938ec062b3186c4cf653b735ce5bb698422b5dc37016df4249fe0dfc8daa4b08eec99d8f31691f467b90306
SSDEEP 12288:vxmLfvGaRdnQgF1LalNRcfPRN4BOUu2T2OBr3l3Ry/4T:vxmzvG82g+RkR2wHu2OBJ38g
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/3516-153-0x00000000001F0000-0x00000000001FA000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k3134392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k3134392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k3134392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k3134392.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k3134392.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k3134392.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
2096	y0203560.exe
3516	k3134392.exe
2188	l3366205.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k3134392.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k3134392.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

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\\\""	0e0594e714178d60ee208495f49f1051.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y0203560.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\\\""	y0203560.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	0e0594e714178d60ee208495f49f1051.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3516	k3134392.exe
3516	k3134392.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3516	k3134392.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 2096	4692	0e0594e714178d60ee208495f49f1051.exe	85
PID 4692 wrote to memory of 2096	4692	0e0594e714178d60ee208495f49f1051.exe	85
PID 4692 wrote to memory of 2096	4692	0e0594e714178d60ee208495f49f1051.exe	85
PID 2096 wrote to memory of 3516	2096	y0203560.exe	86
PID 2096 wrote to memory of 3516	2096	y0203560.exe	86
PID 2096 wrote to memory of 3516	2096	y0203560.exe	86
PID 2096 wrote to memory of 2188	2096	y0203560.exe	88
PID 2096 wrote to memory of 2188	2096	y0203560.exe	88
PID 2096 wrote to memory of 2188	2096	y0203560.exe	88

C:\Users\Admin\AppData\Local\Temp\0e0594e714178d60ee208495f49f1051.exe
"C:\Users\Admin\AppData\Local\Temp\0e0594e714178d60ee208495f49f1051.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0203560.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0203560.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3134392.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3134392.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3516
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3366205.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3366205.exe
    3⤵
    - Executes dropped EXE
    PID:2188

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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y0203560.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0203560.exe
Size 260KB
SHA256 9b9e266b991590a4ec1ecbcfee691527fd952efec77d8aa0f1b9591e493af1e5
MD5 d5a09a1df3e3a9bb683201879c44f4eb
SHA1 c3edada731d7bd875147cc4e4fde63836b9edfec
SHA512 785d9abde7e74707cb5c3c7251a8c59f8946b3ee8c7b5acfc6004cbf26644a426c241d4846051b5bb80a550e6e8ea2dab4c6db8f9846d6ec5a94e61ad8ac9e08
SSDEEP 6144:K7y+bnr+Gp0yN90QEYjzjptptZJEz4k7YXJ:FMray90KZt+7YZ
MD5 SHA1 SHA512 SSDEEP

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y0203560.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0203560.exe
Size 260KB
SHA256 9b9e266b991590a4ec1ecbcfee691527fd952efec77d8aa0f1b9591e493af1e5
MD5 d5a09a1df3e3a9bb683201879c44f4eb
SHA1 c3edada731d7bd875147cc4e4fde63836b9edfec
SHA512 785d9abde7e74707cb5c3c7251a8c59f8946b3ee8c7b5acfc6004cbf26644a426c241d4846051b5bb80a550e6e8ea2dab4c6db8f9846d6ec5a94e61ad8ac9e08
SSDEEP 6144:K7y+bnr+Gp0yN90QEYjzjptptZJEz4k7YXJ:FMray90KZt+7YZ
MD5 SHA1 SHA512 SSDEEP

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k3134392.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3134392.exe
Size 96KB
SHA256 72cc2ceb342057ab2a491a82690294362a6bb6488509ec8a204af0124e175f04
MD5 297168d164aa1871e93eba685989212a
SHA1 925bc1362ec02b584a84abbead8d921a8b3f5475
SHA512 2c8085cb139826e56645577a82066025c0f3f8968d6c26abe0835c1a669d0a24c7df7493e951018cdd606f848cf977fc6171dd6d97980eb154fd5568cea7107c
SSDEEP 1536:9u6Coo7Le3hIjpX7CkYL21uHuaLmyFopJSaC7qQwH7PxM:9uNBKxwrW4su8myCJSaCejxM
MD5 SHA1 SHA512 SSDEEP

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k3134392.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3134392.exe
Size 96KB
SHA256 72cc2ceb342057ab2a491a82690294362a6bb6488509ec8a204af0124e175f04
MD5 297168d164aa1871e93eba685989212a
SHA1 925bc1362ec02b584a84abbead8d921a8b3f5475
SHA512 2c8085cb139826e56645577a82066025c0f3f8968d6c26abe0835c1a669d0a24c7df7493e951018cdd606f848cf977fc6171dd6d97980eb154fd5568cea7107c
SSDEEP 1536:9u6Coo7Le3hIjpX7CkYL21uHuaLmyFopJSaC7qQwH7PxM:9uNBKxwrW4su8myCJSaCejxM
MD5 SHA1 SHA512 SSDEEP

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l3366205.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3366205.exe
Size 257KB
SHA256 1d20ca40765a64b7017e2b6db472a6dc9958426eb81ef7d6082d54a06189e165
MD5 b022d070a2601fbc6c74dd395cc7f635
SHA1 c23dc08734f5efebda79177248dab9e4ddb9d026
SHA512 c8b4f23118a031f3540ca194c475c6c3674f423b3217fab79adb5e4f0de8ffae4c17590ebef5c3cfd3cc8c92152439c480c7a83a3776def8ae07f2419351efed
SSDEEP 6144:tRJim9p+ly2WtzH7NrIrBJjvft5LZFL92hUPEIH+5:tRJi0IYR0vfjZZ92hUW
MD5 SHA1 SHA512 SSDEEP

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l3366205.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3366205.exe
Size 257KB
SHA256 1d20ca40765a64b7017e2b6db472a6dc9958426eb81ef7d6082d54a06189e165
MD5 b022d070a2601fbc6c74dd395cc7f635
SHA1 c23dc08734f5efebda79177248dab9e4ddb9d026
SHA512 c8b4f23118a031f3540ca194c475c6c3674f423b3217fab79adb5e4f0de8ffae4c17590ebef5c3cfd3cc8c92152439c480c7a83a3776def8ae07f2419351efed
SSDEEP 6144:tRJim9p+ly2WtzH7NrIrBJjvft5LZFL92hUPEIH+5:tRJi0IYR0vfjZZ92hUW
MD5 SHA1 SHA512 SSDEEP

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memory/2188-162-0x0000000000580000-0x00000000005B0000-memory.dmp

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memory/2188-167-0x000000000A010000-0x000000000A628000-memory.dmp

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memory/2188-168-0x000000000A630000-0x000000000A73A000-memory.dmp

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memory/2188-169-0x000000000A760000-0x000000000A772000-memory.dmp

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memory/2188-170-0x0000000004B80000-0x0000000004B90000-memory.dmp

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memory/2188-171-0x000000000A780000-0x000000000A7BC000-memory.dmp

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memory/2188-172-0x0000000004B80000-0x0000000004B90000-memory.dmp

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memory/3516-153-0x00000000001F0000-0x00000000001FA000-memory.dmp

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memory/4692-133-0x00000000007E0000-0x0000000000854000-memory.dmp

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