healer | c5a3dbeea17ddba50482e7844a817171580f977dcea9ad7b655d39a934b93b93 | Triage

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 12:34 UTC

Sharing

Report Analysis Logs

General

Target

61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe
Size

479KB
MD5

1b385dfef9c3683b4849ce42c7b6b5f3
SHA1

8aa540ad4ad25b905fdfadc3e351ba1c49e3e9b7
SHA256

61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562
SHA512

20e65a503be4341c386046a617c4875e006527eebd214299d971650a22c245450bfccd600d9fd9e2d0b6d1a9c5dd719037b2477452e29ddf4bdaaf20b83998b3
SSDEEP

12288:MMr2y90GYO4OtK8z1J6Rxt0wptqtOTy2A8xADCvc:qyGV8z1YRgOuUAkc

Score

10^/10

healer redline dumud dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dumud

C2

217.196.96.101:4132

Attributes

auth_value
3e18d4b90418aa3e78d8822e87c62f5c

Signatures

Detects Healer an antivirus disabler dropper 17 IoCs

resource	yara_rule
behavioral9/memory/1012-15-0x0000000002490000-0x00000000024AA000-memory.dmp	healer
behavioral9/memory/1012-18-0x00000000024B0000-0x00000000024C8000-memory.dmp	healer
behavioral9/memory/1012-46-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-44-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-42-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-40-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-38-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-36-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-34-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-32-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-30-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-28-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-26-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-22-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-20-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-19-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer
behavioral9/memory/1012-24-0x00000000024B0000-0x00000000024C2000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

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

Modify Registry

Windows Service

Disable or Modify Tools

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k3719439.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
behavioral9/files/0x0007000000023419-52.dat	family_redline
behavioral9/memory/1768-54-0x0000000000BC0000-0x0000000000BF0000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
1916	y3756826.exe
1012	k3719439.exe
1768	l6925739.exe

Windows security modification 2 TTPs 2 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k3719439.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k3719439.exe

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

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\\\""	61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.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\\\""	y3756826.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1012	k3719439.exe
1012	k3719439.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1012	k3719439.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 1916	3504	61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe	82
PID 3504 wrote to memory of 1916	3504	61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe	82
PID 3504 wrote to memory of 1916	3504	61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe	82
PID 1916 wrote to memory of 1012	1916	y3756826.exe	84
PID 1916 wrote to memory of 1012	1916	y3756826.exe	84
PID 1916 wrote to memory of 1012	1916	y3756826.exe	84
PID 1916 wrote to memory of 1768	1916	y3756826.exe	89
PID 1916 wrote to memory of 1768	1916	y3756826.exe	89
PID 1916 wrote to memory of 1768	1916	y3756826.exe	89

C:\Users\Admin\AppData\Local\Temp\61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe
"C:\Users\Admin\AppData\Local\Temp\61f1a776dcd13885a5979397d5b945e89d26cfcfe61e000ac89070e4a45bc562.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3756826.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3756826.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3719439.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3719439.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1012
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6925739.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6925739.exe
    3⤵
    - Executes dropped EXE
    PID:1768

Network

DNS

14.160.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

14.160.190.20.in-addr.arpa

IN PTR

Response
DNS

77.190.18.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

77.190.18.2.in-addr.arpa

IN PTR

Response

77.190.18.2.in-addr.arpa

IN PTR

a2-18-190-77deploystaticakamaitechnologiescom
DNS

26.35.223.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

26.35.223.20.in-addr.arpa

IN PTR

Response
GET

https://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90

Remote address:

23.62.61.192:443

Request

GET /th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90 HTTP/2.0
host: www.bing.com
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041

Response

HTTP/2.0 200

cache-control: public, max-age=2592000
content-type: image/png
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth&ndcParam=QWthbWFp"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
content-length: 1107
date: Fri, 10 May 2024 12:35:39 GMT
alt-svc: h3=":443"; ma=93600
x-cdn-traceid: 0.bc3d3e17.1715344539.ca51df
DNS

192.61.62.23.in-addr.arpa

Remote address:

8.8.8.8:53

Request

192.61.62.23.in-addr.arpa

IN PTR

Response

192.61.62.23.in-addr.arpa

IN PTR

a23-62-61-192deploystaticakamaitechnologiescom
DNS

157.123.68.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

157.123.68.40.in-addr.arpa

IN PTR

Response
DNS

56.126.166.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

56.126.166.20.in-addr.arpa

IN PTR

Response
DNS

139.53.16.96.in-addr.arpa

Remote address:

8.8.8.8:53

Request

139.53.16.96.in-addr.arpa

IN PTR

Response

139.53.16.96.in-addr.arpa

IN PTR

a96-16-53-139deploystaticakamaitechnologiescom
DNS

48.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

48.229.111.52.in-addr.arpa

IN PTR

Response

23.62.61.192:443

https://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90

tls, http2

1.5kB
7.5kB
18
12

HTTP Request

GET https://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90

HTTP Response

200
217.196.96.101:4132

l6925739.exe

260 B
5
217.196.96.101:4132

l6925739.exe

260 B
5
217.196.96.101:4132

l6925739.exe

260 B
5
217.196.96.101:4132

l6925739.exe

260 B
5
217.196.96.101:4132

l6925739.exe

260 B
5
217.196.96.101:4132

l6925739.exe

208 B
4

8.8.8.8:53

14.160.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

14.160.190.20.in-addr.arpa
8.8.8.8:53

77.190.18.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

77.190.18.2.in-addr.arpa
8.8.8.8:53

26.35.223.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

26.35.223.20.in-addr.arpa
8.8.8.8:53

192.61.62.23.in-addr.arpa

dns

71 B
135 B
1
1

DNS Request

192.61.62.23.in-addr.arpa
8.8.8.8:53

157.123.68.40.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

157.123.68.40.in-addr.arpa
8.8.8.8:53

56.126.166.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

56.126.166.20.in-addr.arpa
8.8.8.8:53

139.53.16.96.in-addr.arpa

dns

71 B
135 B
1
1

DNS Request

139.53.16.96.in-addr.arpa
8.8.8.8:53

48.229.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

48.229.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Defense Evasion

Impair Defenses

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3756826.exe

Filesize
307KB

MD5
ca2ad17b64a10b961c2b14a7e47a8030

SHA1
a339ebb686b832fc87af3c287f67d8ef52e140e8

SHA256
23bc83a4a63831c87e6d79e2b366e2534c967a13a377e66f4d92e226f9e8be94

SHA512
ad5e5a03336562d58b02f2556eb833fe3c39d2a7c47584379059cc5a584be1efc981cde4c84a350a4bb244502a73fb7bf0bee7b03b4ef002bb6ecc17d3caff04

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k3719439.exe

Filesize
180KB

MD5
0e2a8712db80505e38c2816483598edf

SHA1
8ff6735fc1c080fb73825928f2bf9aa409b3758c

SHA256
a88a17437aa434a4c8df1657b4ac4c72d5d65247c160b7d2351101a2955ecd0c

SHA512
1076c1d65c2bd3be562d57ebe5a00af294242456a80a4149e3ae5ed1816a35abdab48cca90617ccb9839a14020391ed425cedba42f63c75b8488f45485108d91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6925739.exe

Filesize
168KB

MD5
9eb1e1ed0fb5f198b60699f1d6f2c4d8

SHA1
0a93100586a585ffaceecff9c67cf28e703b67d2

SHA256
0fce1f4c2a87e2bdccfe4c3112f837d1fdeb91edb113f055787e29000a4a348b

SHA512
fe9679472176c5d0648355a230eb9b77a19d565b17cb957a14d96d60df338f039ddbbdc97c611776239e8b5b3e842c85e8ac6b50882feb59917a1bb12496140d

Download Submit
memory/1012-28-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-48-0x0000000073FD0000-0x0000000074780000-memory.dmp

Filesize
7.7MB

Download
memory/1012-16-0x0000000073FD0000-0x0000000074780000-memory.dmp

Filesize
7.7MB

Download
memory/1012-18-0x00000000024B0000-0x00000000024C8000-memory.dmp

Filesize
96KB

Download
memory/1012-46-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-44-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-42-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-40-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-38-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-36-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-34-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-32-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-30-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-15-0x0000000002490000-0x00000000024AA000-memory.dmp

Filesize
104KB

Download
memory/1012-17-0x00000000049D0000-0x0000000004F74000-memory.dmp

Filesize
5.6MB

Download
memory/1012-26-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-14-0x0000000073FDE000-0x0000000073FDF000-memory.dmp

Filesize
4KB

Download
memory/1012-19-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-24-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-47-0x0000000073FD0000-0x0000000074780000-memory.dmp

Filesize
7.7MB

Download
memory/1012-22-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1012-50-0x0000000073FD0000-0x0000000074780000-memory.dmp

Filesize
7.7MB

Download
memory/1012-20-0x00000000024B0000-0x00000000024C2000-memory.dmp

Filesize
72KB

Download
memory/1768-54-0x0000000000BC0000-0x0000000000BF0000-memory.dmp

Filesize
192KB

Download
memory/1768-55-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1768-56-0x000000000AF30000-0x000000000B548000-memory.dmp

Filesize
6.1MB

Download
memory/1768-57-0x000000000AA30000-0x000000000AB3A000-memory.dmp

Filesize
1.0MB

Download
memory/1768-58-0x000000000A960000-0x000000000A972000-memory.dmp

Filesize
72KB

Download
memory/1768-59-0x000000000A9C0000-0x000000000A9FC000-memory.dmp

Filesize
240KB

Download
memory/1768-60-0x0000000004DF0000-0x0000000004E3C000-memory.dmp

Filesize
304KB

Download