healer | a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3

General

Target

a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe
Size

479KB
MD5

09f057852c8747624931134e6bef92b6
SHA1

646d228a368105af06a68384d89022f9af3bfbb3
SHA256

a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3
SHA512

ffcade3080b009f2d097ad7ea7660e4cb956d39f9fd153dabe55ffb52e1270a6a6c817662827114a8aaf1c8072b9ebc0cabbf353e8aba637babac2a5787f5355
SSDEEP

6144:KRy+bnr+0p0yN90QEtlXO3/CUJlEY5zbPsTmJTZeh1WhzHiuJs86UMUCJYgnY1l:3Mroy90tOvCUJb5zIgTI1qJIUMhyoYT

Score

10^/10

healer redline discovery dropper evasion infostealer persistence trojan

Malware Config

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral4/memory/1904-15-0x0000000002250000-0x000000000226A000-memory.dmp	healer
behavioral4/memory/1904-18-0x00000000025F0000-0x0000000002608000-memory.dmp	healer
behavioral4/memory/1904-33-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-47-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-45-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-43-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-41-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-39-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-37-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-35-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-29-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-27-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-25-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-21-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-20-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-31-0x00000000025F0000-0x0000000002602000-memory.dmp	healer
behavioral4/memory/1904-23-0x00000000025F0000-0x0000000002602000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a8891627.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a8891627.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a8891627.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a8891627.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	a8891627.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a8891627.exe

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral4/files/0x001d00000002ab08-54.dat	family_redline
behavioral4/memory/2944-56-0x0000000000140000-0x0000000000168000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
2896	v4847277.exe
1904	a8891627.exe
2944	b3556916.exe

Windows security modification 2 TTPs 2 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	a8891627.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a8891627.exe

Adds Run key to start application 2 TTPs 2 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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	v4847277.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\\\""	a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8891627.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3556916.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v4847277.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1904	a8891627.exe
1904	a8891627.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1904	a8891627.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 2896	1644	a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe	78
PID 1644 wrote to memory of 2896	1644	a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe	78
PID 1644 wrote to memory of 2896	1644	a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe	78
PID 2896 wrote to memory of 1904	2896	v4847277.exe	79
PID 2896 wrote to memory of 1904	2896	v4847277.exe	79
PID 2896 wrote to memory of 1904	2896	v4847277.exe	79
PID 2896 wrote to memory of 2944	2896	v4847277.exe	80
PID 2896 wrote to memory of 2944	2896	v4847277.exe	80
PID 2896 wrote to memory of 2944	2896	v4847277.exe	80

C:\Users\Admin\AppData\Local\Temp\a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe
"C:\Users\Admin\AppData\Local\Temp\a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4847277.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4847277.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8891627.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8891627.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1904
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3556916.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3556916.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2944

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4847277.exe

Filesize
308KB

MD5
fb4efd4787f0da6f534a06ff16474592

SHA1
751cbd06fe6b9eb649b6ce1c4363832474476310

SHA256
9206a935e1c45ab26e10c913223f24c787af500b65619a84b8cacd4402241f3e

SHA512
dd67e28e7800378dc1e385ee1a8cd96067cdf8bbd5a325beb95e644ef036518be6fdd1445d5e4da8c9be8083dd6199244a79ce2f6c51f0d4ab28612a77d435ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8891627.exe

Filesize
175KB

MD5
6a0abad6192cd4b27fcdc7f8489cf8c3

SHA1
3ddca548476cd46dd65f4a04bc4ff7fb7c79387c

SHA256
9be13efbe0233cf22b41e884304cc1573a253805c9e4f0ed07aca35655c6432b

SHA512
b8bd5fae9e23edbcd1d8c6b226ff4432af84ee65bc1f5b7279f7de40fb1679ec5c767b41e4f55eed2fe37d77a366e8bb077a94bcfd21c78463f640e4072d49c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3556916.exe

Filesize
136KB

MD5
e79498960ca98c198c485f69d117dc34

SHA1
24c8d310fe4e1d20cd7b30c8d5ba66a9c6875c8e

SHA256
fe226827a05fa12baaea68f4269120cffbbbcfb6e322b1fb2f7c9ac80064fdb2

SHA512
edfecba522d55486bbb43cc6526aa75ad1363b9ad641ca6b49f9599893f30b16204c3a394654ade9387062195f4fdbf3916222953540e7c4d27e2395a8726e4f

Download Submit
memory/1904-47-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-45-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-17-0x0000000004B30000-0x00000000050D6000-memory.dmp

Filesize
5.6MB

Download
memory/1904-25-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-19-0x0000000074370000-0x0000000074B21000-memory.dmp

Filesize
7.7MB

Download
memory/1904-33-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-15-0x0000000002250000-0x000000000226A000-memory.dmp

Filesize
104KB

Download
memory/1904-21-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-43-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-48-0x0000000074370000-0x0000000074B21000-memory.dmp

Filesize
7.7MB

Download
memory/1904-41-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-39-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-37-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-20-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-29-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-27-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-18-0x00000000025F0000-0x0000000002608000-memory.dmp

Filesize
96KB

Download
memory/1904-16-0x0000000074370000-0x0000000074B21000-memory.dmp

Filesize
7.7MB

Download
memory/1904-35-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-31-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-23-0x00000000025F0000-0x0000000002602000-memory.dmp

Filesize
72KB

Download
memory/1904-49-0x000000007437E000-0x000000007437F000-memory.dmp

Filesize
4KB

Download
memory/1904-50-0x0000000074370000-0x0000000074B21000-memory.dmp

Filesize
7.7MB

Download
memory/1904-52-0x0000000074370000-0x0000000074B21000-memory.dmp

Filesize
7.7MB

Download
memory/1904-14-0x000000007437E000-0x000000007437F000-memory.dmp

Filesize
4KB

Download
memory/2944-56-0x0000000000140000-0x0000000000168000-memory.dmp

Filesize
160KB

Download
memory/2944-57-0x0000000074330000-0x00000000743DB000-memory.dmp

Filesize
684KB

Download
memory/2944-58-0x00000000074C0000-0x0000000007AD8000-memory.dmp

Filesize
6.1MB

Download
memory/2944-59-0x0000000006F50000-0x0000000006F62000-memory.dmp

Filesize
72KB

Download
memory/2944-60-0x0000000007080000-0x000000000718A000-memory.dmp

Filesize
1.0MB

Download
memory/2944-61-0x0000000006FB0000-0x0000000006FEC000-memory.dmp

Filesize
240KB

Download
memory/2944-62-0x0000000006FF0000-0x000000000703C000-memory.dmp

Filesize
304KB

Download
memory/2944-63-0x0000000074330000-0x00000000743DB000-memory.dmp

Filesize
684KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads