jester | 41f2bd146bad94d7f21545d9dac70d685af64cb77f96b6c9c14aa346e99c8d6c | Triage

Analysis

max time kernel
4294181s
max time network
150s
platform
windows7_x64
resource
win7-20220223-en
submitted
09-03-2022 07:47

Sharing

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General

Target

41f2bd146bad94d7f21545d9dac70d685af64cb77f96b6c9c14aa346e99c8d6c.exe
Size

241KB
MD5

ea153b05109b36119f3e1c1ada264d05
SHA1

68e8867b16f640f4fd6ea396a7d6acfc2c77145e
SHA256

41f2bd146bad94d7f21545d9dac70d685af64cb77f96b6c9c14aa346e99c8d6c
SHA512

c9931138f69520ddf537d09c162398c8a81554e326ec11ff407dd60f18b8d2d7c959d94653659255cf51d92f7bc9d3e1cfb9769217971ca9488a006409ca2ef2

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:

41f2bd146bad94d7f21545d9dac70d685af64cb77f96b6c9c14aa346e99c8d6c.exe

description pid process

Token: SeDebugPrivilege 1796 41f2bd146bad94d7f21545d9dac70d685af64cb77f96b6c9c14aa346e99c8d6c.exe

C:\Users\Admin\AppData\Local\Temp\41f2bd146bad94d7f21545d9dac70d685af64cb77f96b6c9c14aa346e99c8d6c.exe
"C:\Users\Admin\AppData\Local\Temp\41f2bd146bad94d7f21545d9dac70d685af64cb77f96b6c9c14aa346e99c8d6c.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1796

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1796-54-0x0000000000210000-0x0000000000252000-memory.dmp

Filesize
264KB

Download
memory/1796-56-0x000000001ADF0000-0x000000001ADF2000-memory.dmp

Filesize
8KB

Download
memory/1796-55-0x000007FEF5020000-0x000007FEF5A0C000-memory.dmp

Filesize
9.9MB

Download