jester | 23de41c113cd6af59a7c6721fd37755b0b4066a8f58dcf3e43f8dc10c0a65ce2 | Triage

Analysis

max time kernel
134s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
09-03-2022 07:47

Sharing

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General

Target

23de41c113cd6af59a7c6721fd37755b0b4066a8f58dcf3e43f8dc10c0a65ce2.exe
Size

241KB
MD5

c4aef8c9cc7b40b03c10e8032176c354
SHA1

55ba016c76696309ea2d7c94ba5ce9d5e8f6e751
SHA256

23de41c113cd6af59a7c6721fd37755b0b4066a8f58dcf3e43f8dc10c0a65ce2
SHA512

1671471fba257015d47e18377e0ad8631e12a2c01e4c6129d763656480414cfa08221d6e5927fe8db4a10f9e6c28ba4ff9bc9b882743a4f4037df8c6bb868895

Score

10^/10

jester fikuscode stealer

Malware Config

Extracted

Family

jester

Botnet

FikusCode

C2

http://jesterdcuxzbey4xvlwwheoecpltru5be2mzuk4w7a7nrhckdjjhrbyd.onion/report/FikusCode

https://api.anonfiles.com/upload?token=d26d620842507144

Mutex

46378331-3729-449c-9a03-94f385d10a9c

Attributes

license_key
D1F0DE359CBD562CCF9326AEEEA8E64E

Signatures

Jester
Jester is an information stealer malware written in C#.
stealer jester
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

23de41c113cd6af59a7c6721fd37755b0b4066a8f58dcf3e43f8dc10c0a65ce2.exe

description pid process

Token: SeDebugPrivilege 1968 23de41c113cd6af59a7c6721fd37755b0b4066a8f58dcf3e43f8dc10c0a65ce2.exe

C:\Users\Admin\AppData\Local\Temp\23de41c113cd6af59a7c6721fd37755b0b4066a8f58dcf3e43f8dc10c0a65ce2.exe
"C:\Users\Admin\AppData\Local\Temp\23de41c113cd6af59a7c6721fd37755b0b4066a8f58dcf3e43f8dc10c0a65ce2.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1968

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1968-131-0x0000014500030000-0x0000014500072000-memory.dmp

Filesize
264KB

Download
memory/1968-132-0x0000014501D60000-0x0000014501D62000-memory.dmp

Filesize
8KB

Download
memory/1968-133-0x00007FFF38300000-0x00007FFF38DC1000-memory.dmp

Filesize
10.8MB

Download