44caliber | 1ca711c55045efac2a5259b1c3f22df939f6cc18dd14fcf1c1cf28cbb8bab75b

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-04-2024 03:38

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General

Target

e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe
Size

496KB
MD5

e92102456f8f5f07bcd03712b09fd0dd
SHA1

fcadd9925a226bc0ace92195275f06eef28cf322
SHA256

1ca711c55045efac2a5259b1c3f22df939f6cc18dd14fcf1c1cf28cbb8bab75b
SHA512

d4dcc803972917b988bc4f1967b7af0a5473c0a787330a88ad837406807fc0f911a4562c9e47ce68a1a7671a531995293056b7b848b21be332a3b353031f4d3a
SSDEEP

12288:Af4zdi3VemHZziQaGTf8B6/sdrsM66fyl:cVRlf8B68rHy

Score

10^/10

44caliber spyware stealer vmprotect

Malware Config

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

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/1612-0-0x00000000013E0000-0x00000000014CA000-memory.dmp	vmprotect

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.

flow	ioc
5	freegeoip.app
4	freegeoip.app

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1612	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe
1612	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe
1612	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe
1612	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1612

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
411B

MD5
804a6740a58942759032803bc3a43dda

SHA1
6c8b9c607c275878286f89613384009955637994

SHA256
7f99b300de5884a9a1941f7c0c77d28d67fe941f287690344efa599a1efea45b

SHA512
cecb97c3dde4566ae46bcd3c3a99680714a6a1726473f0950a3a1d08d7a5b0c65ba936e461400725726ff76659cd4cad3495f6029f8ce8dc96dcea17bede08a8

Download Submit
memory/1612-0-0x00000000013E0000-0x00000000014CA000-memory.dmp

Filesize
936KB

Download
memory/1612-1-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

Filesize
9.9MB

Download
memory/1612-2-0x0000000000480000-0x0000000000500000-memory.dmp

Filesize
512KB

Download
memory/1612-3-0x0000000000480000-0x0000000000500000-memory.dmp

Filesize
512KB

Download
memory/1612-4-0x0000000000480000-0x0000000000500000-memory.dmp

Filesize
512KB

Download
memory/1612-50-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

Filesize
9.9MB

Download