Malware Analysis Report

2024-11-30 05:50

Sample ID 241120-x98nfssenq
Target a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe
SHA256 a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9
Tags
spyware stealer 44caliber
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9

Threat Level: Known bad

The file a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe was found to be: Known bad.

Malicious Activity Summary

spyware stealer 44caliber

44Caliber family

44Caliber

Reads user/profile data of web browsers

Looks up external IP address via web service

Accesses cryptocurrency files/wallets, possible credential harvesting

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-20 19:37

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 19:34

Reported

2024-11-20 19:40

Platform

win7-20241023-en

Max time kernel

0s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Looks up external IP address via web service

Description Indicator Process Target
N/A freegeoip.app N/A N/A
N/A freegeoip.app N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe

"C:\Users\Admin\AppData\Local\Temp\a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 freegeoip.app udp
US 172.67.160.84:443 freegeoip.app tcp
US 8.8.8.8:53 ipbase.com udp
US 104.21.85.189:443 ipbase.com tcp

Files

memory/2224-0-0x000007FEF52A3000-0x000007FEF52A4000-memory.dmp

memory/2224-1-0x0000000001150000-0x00000000011DC000-memory.dmp

memory/2224-2-0x000000001AE90000-0x000000001AF6A000-memory.dmp

memory/2224-3-0x0000000000230000-0x0000000000236000-memory.dmp

memory/2224-4-0x000007FEF52A0000-0x000007FEF5C8C000-memory.dmp

C:\ProgramData\44\Process.txt

MD5 e4c5a9c9a68d0c3f9fa878cd64bee407
SHA1 7af1ef39e9a536a4a49bb9add42a665bacaf4d30
SHA256 4c04742124dd87fcfa6af03c3062f677806c6ec0fe8e169774d76bd83bd4ce4b
SHA512 c401f4736dffd397a45b71f7fa2b0a879b10309b594f53bcda485afc3660600fccd34744580a61fc74271ad4523281bd325cbd0bd383839b33b7d0f648e0cc51

memory/2224-56-0x000007FEF52A0000-0x000007FEF5C8C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-20 19:34

Reported

2024-11-20 19:40

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe"

Signatures

44Caliber

stealer 44caliber

44Caliber family

44caliber

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Looks up external IP address via web service

Description Indicator Process Target
N/A freegeoip.app N/A N/A
N/A freegeoip.app N/A N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe

"C:\Users\Admin\AppData\Local\Temp\a6c2a90a390e77076ff0fca78301e2e8ac7adf38ec3b55442af5110424c573e9.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 freegeoip.app udp
US 172.67.160.84:443 freegeoip.app tcp
US 8.8.8.8:53 ipbase.com udp
US 104.21.85.189:443 ipbase.com tcp
US 8.8.8.8:53 84.160.67.172.in-addr.arpa udp
US 8.8.8.8:53 189.85.21.104.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/2036-0-0x00007FF8E8383000-0x00007FF8E8385000-memory.dmp

memory/2036-1-0x0000000000830000-0x00000000008BC000-memory.dmp

memory/2036-2-0x000000001B550000-0x000000001B62A000-memory.dmp

memory/2036-3-0x0000000002900000-0x0000000002906000-memory.dmp

memory/2036-12-0x00007FF8E8380000-0x00007FF8E8E41000-memory.dmp

C:\Users\Admin\AppData\Local\44\Process.txt

MD5 1cf60c66e61047b0060f9b38cec31657
SHA1 ef1beee47437a9adb44051d70fd3481856069106
SHA256 367603f7a3743b637095cc9b4b6545154907099a11d78e4788b2c348bfac1581
SHA512 0e408e42475680ff36c76a2e5b82d602ddc6829b459e7b051b663d1e39b278af1fd6652e55a09aa9310d11ccbd8c197a422fef9509a05b45fbe727c03f2ef8d3

C:\Users\Admin\AppData\Local\44\Process.txt

MD5 10b13027038cb3c35042c196f7dde0e4
SHA1 89b9aca4c4d6f3617a1b7a5497b9879b780a3e97
SHA256 89dcd212271696505191eb2f0d0b33a80d28971f232c6f15ae95808c21a66496
SHA512 bd67d9381bf054bb54550f8c6305fac8699057b5330d01bde0b34bd449bb4f93d273386fdf43eb3faa9de7de79c508015acb7e1ffa06c3e6daa672b08c0c5135

C:\Users\Admin\AppData\Local\44\Process.txt

MD5 8b901772582f57aef4b15a13c38be2c4
SHA1 ddce54b9f7da872cd6199854cd483eed9567bb97
SHA256 3e928b72ca401191e1d0134a6983527135c01d69c54b3b57c14d4a062a646ef1
SHA512 e35cd58d6c3b7b1e7a5fbcf9285fac286562cb83f22a591a3234ef72a1dc6856733b282396a7c48adc85372d90a43d1fd72777425ac3650b57eeff1951b681a0

C:\Users\Admin\AppData\Local\44\Process.txt

MD5 f70efe00fca585065d1c6d57eb3eb0ee
SHA1 c4089ecaf16ef4c842e0ed210ce78a2bc22e2a1a
SHA256 7a516e18a6b2eb81136b00fc4751127a7942109f002adda4a19586d8f12de5ee
SHA512 7d308d6e324afa631e3d8ed431a11aa82adb8cd61b5f724c5fa4545a573118f6daef4535f3ad9c5262c1f3937a6a02a0e7a45d324f35d73216aa1158d626c5f2

memory/2036-120-0x000000001D520000-0x000000001D6C9000-memory.dmp

memory/2036-121-0x00007FF8E8380000-0x00007FF8E8E41000-memory.dmp