fickerstealer | 55c76c4160faaf104652eb6da27dda571da4c92a1d4be2e17885c7d0ff3bcbc8

General

Target

cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe
Size

368KB
MD5

cc8e8bed26e01bd70934e3694d47539f
SHA1

a82c59683d4763347951eeaf71f94568ea3678d9
SHA256

55c76c4160faaf104652eb6da27dda571da4c92a1d4be2e17885c7d0ff3bcbc8
SHA512

24cbe8822c99ecbab6b102be7045e16b5236fe4d1ae63a74e391328633ad4fc7e3d21eb3a6f01222f95643caf5c2ad2e18bf185dd1911ecf4d481129d4b657a5
SSDEEP

6144:Ke7+66+IWTs/ZrTcNgQitIBhAAK6zIwxCAVcE7Oew073WmJrI1y7Nc/FvwMP:KM+6trAVcrituY/wxrKh0PJZcNv5P

Score

10^/10

fickerstealer discovery infostealer

Malware Config

Extracted

Family

fickerstealer

C2

144.217.66.137:81

Signatures

Fickerstealer
Ficker is an infostealer written in Rust and ASM.
infostealer fickerstealer

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1848 set thread context of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2776	1848	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2156	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	30
PID 1848 wrote to memory of 2776	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	31
PID 1848 wrote to memory of 2776	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	31
PID 1848 wrote to memory of 2776	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	31
PID 1848 wrote to memory of 2776	1848	cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Users\Admin\AppData\Local\Temp\cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\cc8e8bed26e01bd70934e3694d47539f_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 168
  2⤵
  - Program crash
  PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\kaosdma.txt

Filesize
13B

MD5
907326301a53876360553d631f2775c4

SHA1
e900c12c18a7295611f3e2234bc68e8dc0501e06

SHA256
d5543b3a5715587c9c0993a7f56f3e1ee445af837f62c38f2f3457a2ea8d00c8

SHA512
435c1fd96b79b70c370d6f769d44eca3e682404189ff42a6b5718c21bf9dc8358d72c115d68dc25014b8cb9c709af0e64de012103fce687cf4a340fa8f3ea2aa

Download Submit
memory/1848-11-0x00000000001A0000-0x00000000001E9000-memory.dmp

Filesize
292KB

Download
memory/2156-6-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2156-22-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2156-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2156-7-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2156-0-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2156-5-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2156-4-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2156-2-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2156-1-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2156-3-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2156-28-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download

Analysis

Sharing