fickerstealer | 7c2b51c31a895f2eeb6afe748f11d0f6a16355b01c41f22749043c0da7804206

General

Target

Setup.exe
Size

793.8MB
MD5

9a851a47a9bd2f92c61d2486d1be3064
SHA1

3cda31c06db97246705d95dfcf4908eafb514b87
SHA256

7c2b51c31a895f2eeb6afe748f11d0f6a16355b01c41f22749043c0da7804206
SHA512

90340910dc1ee90ccfe7f451578de67c5ca32b95525157acd8b5bc2e99b9c0b2254bfb58997cc848a0ead871bc3f1e03dbb152d56aa709c4ecd3742404eec27b
SSDEEP

196608:6spHQk/ICYcdYtOQYMvm6Iu+8RuJQHIsuRuJyPquRuJXMD349nt3njto03qJbYav:6csCYgIBH2XD349nt3nW03s8up

Score

10^/10

fickerstealer evasion infostealer spyware stealer

Malware Config

Extracted

Family

fickerstealer

C2

45.93.201.181:80

91.240.118.51:253

Signatures

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

Blocks application from running via registry modification 3 IoCs

Adds application to list of disallowed applications.

evasion

Processes:

Setup.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	Setup.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	Setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "irsetup.exe"	Setup.exe

Executes dropped EXE 1 IoCs

Processes:

1670105625319.exe

pid	Process
3192	1670105625319.exe

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

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
35	api.ipify.org

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3976	3192	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

Setup.exe

pid	Process
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe
4848	Setup.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Setup.exe

pid	Process
4848	Setup.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

Setup.exeSetup.exe

description	pid	Process	procid_target
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 4848 wrote to memory of 2544	4848	Setup.exe	81
PID 2544 wrote to memory of 3192	2544	Setup.exe	83
PID 2544 wrote to memory of 3192	2544	Setup.exe	83
PID 2544 wrote to memory of 3192	2544	Setup.exe	83

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
  2⤵
  - Blocks application from running via registry modification
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Users\Admin\AppData\Local\Temp\1670105625319.exe
    "C:\Users\Admin\AppData\Local\Temp\1670105625319.exe"
    3⤵
    - Executes dropped EXE
    PID:3192
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3192 -s 1064
      4⤵
      Program crash
      PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3192 -ip 3192
1⤵
PID:880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1670105625319.exe

Filesize
4.9MB

MD5
38cd45658f9b8ac3f8364b91cfb9aff0

SHA1
130569363d6920310924adb4957fe3d94cea6bb9

SHA256
14aefdc21500dc801288d4ea891e35ed771a8216d94b52d46d5ab3d7471561e0

SHA512
71f2eba8977cfcf71562e0daf717f22cc82cb86c2d8f141e070bfdb4cf3db497c4906359ff8b4dc364388345fbbed379f860aa5e6f4877c4f1f706dd498b9641

Download Submit
C:\Users\Admin\AppData\Local\Temp\1670105625319.exe

Filesize
4.9MB

MD5
38cd45658f9b8ac3f8364b91cfb9aff0

SHA1
130569363d6920310924adb4957fe3d94cea6bb9

SHA256
14aefdc21500dc801288d4ea891e35ed771a8216d94b52d46d5ab3d7471561e0

SHA512
71f2eba8977cfcf71562e0daf717f22cc82cb86c2d8f141e070bfdb4cf3db497c4906359ff8b4dc364388345fbbed379f860aa5e6f4877c4f1f706dd498b9641

Download Submit
memory/2544-144-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2544-143-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2544-148-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2544-137-0x0000000000000000-mapping.dmp

Download
memory/2544-138-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2544-139-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2544-140-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2544-141-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3192-145-0x0000000000000000-mapping.dmp

Download
memory/3192-149-0x0000000002FD0000-0x000000000340E000-memory.dmp

Filesize
4.2MB

Download
memory/3192-150-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4848-142-0x0000000033AC0000-0x0000000033B3B000-memory.dmp

Filesize
492KB

Download
memory/4848-135-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/4848-132-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/4848-134-0x0000000033B50000-0x0000000033CF3000-memory.dmp

Filesize
1.6MB

Download
memory/4848-133-0x0000000033AC0000-0x0000000033B3B000-memory.dmp

Filesize
492KB

Download
memory/4848-136-0x0000000033AC0000-0x0000000033B3B000-memory.dmp

Filesize
492KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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