jester | 66450506a281a73603b0f892865512db95be1df8b54b53dfb11a0b7a3df8ea8c | Triage

Analysis

max time kernel
135s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
09-03-2022 07:48

Sharing

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General

Target

66450506a281a73603b0f892865512db95be1df8b54b53dfb11a0b7a3df8ea8c.exe
Size

241KB
MD5

64174bd3ee8dca66724dc9dc1515b168
SHA1

e30b2779d4212d0cf0430c503f6f0c7c626317ab
SHA256

66450506a281a73603b0f892865512db95be1df8b54b53dfb11a0b7a3df8ea8c
SHA512

681935e71c8ae677e91cd2af00372a6a5bb08f1adcc288f08b66ee408a2bd6f6138e586feb3aebb43c9d29fe0be974eefcf63161e2db5e79129a92d3c3012082

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:

66450506a281a73603b0f892865512db95be1df8b54b53dfb11a0b7a3df8ea8c.exe

description pid process

Token: SeDebugPrivilege 4220 66450506a281a73603b0f892865512db95be1df8b54b53dfb11a0b7a3df8ea8c.exe

C:\Users\Admin\AppData\Local\Temp\66450506a281a73603b0f892865512db95be1df8b54b53dfb11a0b7a3df8ea8c.exe
"C:\Users\Admin\AppData\Local\Temp\66450506a281a73603b0f892865512db95be1df8b54b53dfb11a0b7a3df8ea8c.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4220

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4220-130-0x0000019FCDFB0000-0x0000019FCDFF2000-memory.dmp

Filesize
264KB

Download
memory/4220-131-0x00007FF804A70000-0x00007FF805531000-memory.dmp

Filesize
10.8MB

Download