6a2c64b6a8886226d84ecc3927f13a698036d8530f4e6fcb0920c52f3ef90e11

Analysis

max time kernel
150s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 15:21 UTC

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General

Target

release/main/loader.exe
Size

4.1MB
MD5

9ecdc9ed1bea6c226f92d740d43400b9
SHA1

b5b5066cd4284733d8c3f3d7de3ca6653091ae10
SHA256

60c57f14c2e0e0df0bda16646b21dddceaee0159dafbbb8daba310d4e1b5be6c
SHA512

30bc705a2438288e3647d5adfc6119d751823970972b9c6b39a60384a2b7ac261986026b8d1c0b0ca7ee3d7e95363c97b873fdc5fad4096c903cb4e15bf57e43
SSDEEP

98304:vnUGAC+hqc8lqvdzw2nsNKYYURyc9JirsN4JzmUPj:PTn2qcUzp6UYeJRCxPj

Score

9^/10

evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	loader.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	loader.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	loader.exe

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral4/memory/1424-0-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp	themida
behavioral4/memory/1424-4-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp	themida
behavioral4/memory/1424-2-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp	themida
behavioral4/memory/1424-3-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp	themida
behavioral4/memory/1424-7-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp	themida
behavioral4/memory/1424-6-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp	themida
behavioral4/memory/1424-8-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp	themida
behavioral4/memory/1424-5-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp	themida
behavioral4/memory/1424-9-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp	themida
behavioral4/memory/1424-18-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	loader.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1424	loader.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1424	loader.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1424	loader.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 2432	1424	loader.exe	84
PID 1424 wrote to memory of 2432	1424	loader.exe	84
PID 2432 wrote to memory of 3104	2432	cmd.exe	86
PID 2432 wrote to memory of 3104	2432	cmd.exe	86
PID 2432 wrote to memory of 2240	2432	cmd.exe	87
PID 2432 wrote to memory of 2240	2432	cmd.exe	87
PID 2432 wrote to memory of 4236	2432	cmd.exe	88
PID 2432 wrote to memory of 4236	2432	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe
"C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2432
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe" MD5
    3⤵
    PID:3104
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:2240
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:4236

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

23.177.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

23.177.190.20.in-addr.arpa

IN PTR

Response
DNS

keyauth.win

loader.exe

Remote address:

8.8.8.8:53

Request

keyauth.win

IN A

Response

keyauth.win

IN A

104.26.1.5

keyauth.win

IN A

104.26.0.5

keyauth.win

IN A

172.67.72.57
POST

https://keyauth.win/api/1.2/

loader.exe

Remote address:

104.26.1.5:443

Request

POST /api/1.2/ HTTP/1.1
Host: keyauth.win
Accept: */*
Content-Length: 112
Content-Type: application/x-www-form-urlencoded

Response

HTTP/1.1 200 OK

Date: Fri, 02 Aug 2024 15:23:07 GMT
Content-Type: application/json; charset=UTF-8
Content-Length: 415
Connection: keep-alive
signature: cdf906084fd8861c725d73a848e50865982b1d34a6738b14f6a26da895a0d98c
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=9Umk9N%2B9wmxvpanvXGJMD5DzO52z6%2F2BwEdM4OuHCoL2FnkIOkGIFn%2FvpJ2D6e%2BaUb7d6LtVTNz43RtL47rQ6QU9NOYOW7oU8lS8vzlHJU20yOqHJPl%2Fd5zYzacl"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Acknowledge: Credit to VaultCord.com
X-Powered-By: VaultCord.com
content-security-policy: upgrade-insecure-requests
permissions-policy: accelerometer=(), camera=(), fullscreen=*, geolocation=(self), gyroscope=(), microphone=(), payment=*
referrer-policy: strict-origin-when-cross-origin
strict-transport-security: max-age=31536000; includeSubDomains
x-content-security-policy: img-src *; media-src * data:;
x-content-type-options: nosniff
x-frame-options: DENY
x-xss-protection: 1; mode=block
Access-Control-Allow-Headers: *
Access-Control-Allow-Methods: *
Access-Control-Allow-Origin: *
Server: cloudflare
CF-RAY: 8acf113cbe2a3696-LHR
DNS

5.1.26.104.in-addr.arpa

Remote address:

8.8.8.8:53

Request

5.1.26.104.in-addr.arpa

IN PTR

Response
DNS

168.245.100.95.in-addr.arpa

Remote address:

8.8.8.8:53

Request

168.245.100.95.in-addr.arpa

IN PTR

Response

168.245.100.95.in-addr.arpa

IN PTR

a95-100-245-168deploystaticakamaitechnologiescom
DNS

205.47.74.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

205.47.74.20.in-addr.arpa

IN PTR

Response
DNS

101.58.20.217.in-addr.arpa

Remote address:

8.8.8.8:53

Request

101.58.20.217.in-addr.arpa

IN PTR

Response
DNS

101.58.20.217.in-addr.arpa

Remote address:

8.8.8.8:53

Request

101.58.20.217.in-addr.arpa

IN PTR
DNS

19.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

19.229.111.52.in-addr.arpa

IN PTR

Response

127.0.0.1:65440

loader.exe
127.0.0.1:65442

loader.exe
104.26.1.5:443

https://keyauth.win/api/1.2/

tls, http

loader.exe

1.5kB
6.6kB
12
10

HTTP Request

POST https://keyauth.win/api/1.2/

HTTP Response

200

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

23.177.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

23.177.190.20.in-addr.arpa
8.8.8.8:53

keyauth.win

dns

loader.exe

57 B
105 B
1
1

DNS Request

keyauth.win

DNS Response

104.26.1.5

104.26.0.5

172.67.72.57
8.8.8.8:53

5.1.26.104.in-addr.arpa

dns

69 B
131 B
1
1

DNS Request

5.1.26.104.in-addr.arpa
8.8.8.8:53

168.245.100.95.in-addr.arpa

dns

73 B
139 B
1
1

DNS Request

168.245.100.95.in-addr.arpa
8.8.8.8:53

205.47.74.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

205.47.74.20.in-addr.arpa
8.8.8.8:53

101.58.20.217.in-addr.arpa

dns

144 B
132 B
2
1

DNS Request

101.58.20.217.in-addr.arpa

DNS Request

101.58.20.217.in-addr.arpa
8.8.8.8:53

19.229.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

19.229.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1424-0-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp

Filesize
10.6MB

Download
memory/1424-1-0x00007FF8EEFB0000-0x00007FF8EEFB2000-memory.dmp

Filesize
8KB

Download
memory/1424-4-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp

Filesize
10.6MB

Download
memory/1424-2-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp

Filesize
10.6MB

Download
memory/1424-3-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp

Filesize
10.6MB

Download
memory/1424-7-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp

Filesize
10.6MB

Download
memory/1424-6-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp

Filesize
10.6MB

Download
memory/1424-8-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp

Filesize
10.6MB

Download
memory/1424-5-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp

Filesize
10.6MB

Download
memory/1424-9-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp

Filesize
10.6MB

Download
memory/1424-18-0x00007FF6D0AF0000-0x00007FF6D158F000-memory.dmp

Filesize
10.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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