44caliber | 1ca711c55045efac2a5259b1c3f22df939f6cc18dd14fcf1c1cf28cbb8bab75b

Analysis

max time kernel
92s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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
behavioral2/memory/3040-0-0x0000000000850000-0x000000000093A000-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
3	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3040	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe
3040	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe
3040	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe
3040	e92102456f8f5f07bcd03712b09fd0dd_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	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:3040

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:\ProgramData\44\Process.txt

Filesize
1KB

MD5
7415ce1faca3b4ef2e88aeba6679ee47

SHA1
beab2803cf47b65efc260386fea01a83285cfab3

SHA256
5df452f7a228dc906dbeea9e76f2608e3b4189f66de9a98f2d7f5058c9d88bcc

SHA512
75b527bfa2a9a29d2cd040b3a01eed440e391e272ccada04794a8da3c66c49351165066b7a6ec9db6d1e68fb5f5fa05c0e80f84638c53f281a5a9c45231787cb

Download Submit
C:\ProgramData\44\Process.txt

Filesize
604B

MD5
185384803164bdb1c910658e38a7695f

SHA1
b9f490b771c63628bbf81da79c3bf67aa6f10eb1

SHA256
89dc84db69a6433a9debf7dd42fc693e5c33b08accbc01e0fe5697a69209503e

SHA512
8d2b9190db56c004c7a65227e223c463260df2cc0844bd23dc1399ec324fb3c0c29511c848da19f5ad953d3a58eb1dab2fe0338ad33509af035e3648335a41bd

Download Submit
C:\ProgramData\44\Process.txt

Filesize
1KB

MD5
72838adfca99c8685d45ca9a1b5d9f88

SHA1
e1949f190d9420c2530079d937e7f693f91eaeea

SHA256
8349449b2c031a0f0ca5b26217af2545bdc5357e57ef62e9e32f76d1d0c679ef

SHA512
bd5c8dc92620d478b6b53eb8eed06965d655ab4494dc78c0de085b245b9beb5ad672b23076bcf4552d933a7df2e119a6946c77a809e12f166e3511d3ac00990a

Download Submit
memory/3040-0-0x0000000000850000-0x000000000093A000-memory.dmp

Filesize
936KB

Download
memory/3040-1-0x00007FFFD7B70000-0x00007FFFD8631000-memory.dmp

Filesize
10.8MB

Download
memory/3040-2-0x00007FFFD7B70000-0x00007FFFD8631000-memory.dmp

Filesize
10.8MB

Download
memory/3040-25-0x00000000010D0000-0x00000000010D1000-memory.dmp

Filesize
4KB

Download
memory/3040-34-0x000000001B900000-0x000000001B910000-memory.dmp

Filesize
64KB

Download
memory/3040-121-0x00007FFFD7B70000-0x00007FFFD8631000-memory.dmp

Filesize
10.8MB

Download