44caliber | 790019291f03e723bd5b061142c7511938bacaeb782875a5ddfc91cd9c2ee179

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18-04-2024 18:26

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General

Target

f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe
Size

1.2MB
MD5

f883df7955bc91ac717fafbfbfb071e4
SHA1

c2740074ba90763054db4032925d0828060d6b5e
SHA256

790019291f03e723bd5b061142c7511938bacaeb782875a5ddfc91cd9c2ee179
SHA512

0caecb5f6ac085e385e7617d4dd1a329819617aa05809c6168f387bf08a1830ea0ad5ea299bedffcb9b4282b3df1e466a7fe4f8a38afff80abd63aea0e8bc71d
SSDEEP

24576:Sp6QlVvkMxKht99iIp/puHMWZnaXnxN99uKq5tAVZnY0rUvVDDaE:U6cBkM0riWpuHM2aXxnIBPU8h

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discordapp.com/api/webhooks/869534850812637194/fQ9SG1wbGT8eouo6vEUs5wADugNDHDhRWKq5RBk6gLjlDi9xEUaR3leD9AhGscQ-u377

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

9 freegeoip.app
12 freegeoip.app
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe

pid process

2736 f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe
2736 f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4512 2736 WerFault.exe f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe

flow	ioc
9	freegeoip.app
12	freegeoip.app

pid	pid_target	process	target process
4512	2736	WerFault.exe	f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe

pid	process
2736	f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe
2736	f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe
2736	f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2736 f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe

pid process

2736 f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2736	f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f883df7955bc91ac717fafbfbfb071e4_JaffaCakes118.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 1364
  2⤵
  - Program crash
  PID:4512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2736 -ip 2736
1⤵
PID:2184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\44\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
memory/2736-0-0x0000000000460000-0x000000000081A000-memory.dmp

Filesize
3.7MB

Download
memory/2736-1-0x0000000000460000-0x000000000081A000-memory.dmp

Filesize
3.7MB

Download
memory/2736-3-0x0000000000460000-0x000000000081A000-memory.dmp

Filesize
3.7MB

Download
memory/2736-2-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download
memory/2736-4-0x0000000005FB0000-0x0000000005FC0000-memory.dmp

Filesize
64KB

Download
memory/2736-39-0x0000000000460000-0x000000000081A000-memory.dmp

Filesize
3.7MB

Download
memory/2736-40-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download