fickerstealer | 65a4c2501e7884a5bd10cf9a294db4c1cb4d7d7866b07b53c652f0a796fa9b74

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-10-2022 11:43

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General

Target

library_1.exe
Size

374KB
MD5

bb1ddf3a21b160dd2ba87e1b82c0b727
SHA1

b14b195773cf7360780a7fba26854ba95ea416c9
SHA256

65a4c2501e7884a5bd10cf9a294db4c1cb4d7d7866b07b53c652f0a796fa9b74
SHA512

a8dfe9e34fae5b7ab8475c1f8407d02610e7df89ed23bf539bdff9010412c773117581876526638a1a5beba2f9a1526167f85ae428d3fbf858ead96868dfe423
SSDEEP

6144:3V2KL9aMet38WfEuNK7cGs4TW1zlUQJPp6ZjIly6TcjzoRtleclBI/1:3V5BaM10zNKLFWjUuUEDUzmjM/1

Score

10^/10

fickerstealer discovery infostealer spyware stealer

Malware Config

Extracted

Family

fickerstealer

kefkfkf.link:8080

Signatures

Fickerstealer
Ficker is an infostealer written in Rust and ASM.
infostealer fickerstealer
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 1 IoCs

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

Processes:

flow	ioc
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

library_1.exe

description	pid	Process	procid_target
PID 1948 set thread context of 1116	1948	library_1.exe	28

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

Processes:

library_1.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	library_1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	library_1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

library_1.exe

pid	Process
1116	library_1.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

library_1.exe

description	pid	Process	procid_target
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28
PID 1948 wrote to memory of 1116	1948	library_1.exe	28

C:\Users\Admin\AppData\Local\Temp\library_1.exe
"C:\Users\Admin\AppData\Local\Temp\library_1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\library_1.exe
  "C:\Users\Admin\AppData\Local\Temp\library_1.exe"
  2⤵
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

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

memory/1116-55-0x00000000004014C0-mapping.dmp

Download
memory/1116-54-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1116-59-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1116-60-0x0000000076031000-0x0000000076033000-memory.dmp

Filesize
8KB

Download
memory/1116-61-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1116-62-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1948-56-0x0000000002D59000-0x0000000002D8F000-memory.dmp

Filesize
216KB

Download
memory/1948-58-0x0000000000220000-0x0000000000282000-memory.dmp

Filesize
392KB

Download