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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	Setup.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	Setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "irsetup.exe"	Setup.exe

Executes dropped EXE 1 IoCs

Processes:

1676463693494.exe

pid	Process
2948	1676463693494.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
4	api.ipify.org

Program crash 5 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
224	2948	WerFault.exe	83
3860	2948	WerFault.exe	83
2392	2948	WerFault.exe	83
3280	2948	WerFault.exe	83
4344	2948	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

Setup.exe

pid	Process
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe
4732	Setup.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

Setup.exeSetup.exe

description	pid	Process	procid_target
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 4732 wrote to memory of 2040	4732	Setup.exe	81
PID 2040 wrote to memory of 2948	2040	Setup.exe	83
PID 2040 wrote to memory of 2948	2040	Setup.exe	83
PID 2040 wrote to memory of 2948	2040	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 WriteProcessMemory
PID:4732
- 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:2040
- - C:\Users\Admin\AppData\Local\Temp\1676463693494.exe
    "C:\Users\Admin\AppData\Local\Temp\1676463693494.exe"
    3⤵
    - Executes dropped EXE
    PID:2948
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1032
      4⤵
      Program crash
      PID:224
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1128
      4⤵
      Program crash
      PID:3860
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1096
      4⤵
      Program crash
      PID:2392
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1076
      4⤵
      Program crash
      PID:3280
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 140
      4⤵
      Program crash
      PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2948 -ip 2948
1⤵
PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2948 -ip 2948
1⤵
PID:1328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2948 -ip 2948
1⤵
PID:2080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2948 -ip 2948
1⤵
PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2948 -ip 2948
1⤵
PID:1424

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\1676463693494.exe

Filesize
1.9MB

MD5
36279007f90425caff1cb216971a1d14

SHA1
9dac3a30c67ff986e93d6f1181d5d814b39a6c30

SHA256
b8b3733f532eb89f383115fc7e183dd0fdf24026fbf2e98ea95f0beaf0e57798

SHA512
84ad90ca8b3079ddb1be283d98c66df26c00c5a43fad6b7fd658b55b4207a0f8b2d6945469bc6ed4ee158b7512b5fa65700aa9ed6bc51d59103ebfe4ecbe0a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\1676463693494.exe

Filesize
1.9MB

MD5
36279007f90425caff1cb216971a1d14

SHA1
9dac3a30c67ff986e93d6f1181d5d814b39a6c30

SHA256
b8b3733f532eb89f383115fc7e183dd0fdf24026fbf2e98ea95f0beaf0e57798

SHA512
84ad90ca8b3079ddb1be283d98c66df26c00c5a43fad6b7fd658b55b4207a0f8b2d6945469bc6ed4ee158b7512b5fa65700aa9ed6bc51d59103ebfe4ecbe0a7a

Download Submit
memory/2040-138-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2040-135-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2040-132-0x0000000000000000-mapping.dmp

Download
memory/2040-133-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2040-142-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2948-139-0x0000000000000000-mapping.dmp

Download
memory/2948-143-0x0000000002B70000-0x0000000002CC6000-memory.dmp

Filesize
1.3MB

Download
memory/2948-144-0x0000000000400000-0x00000000005E4000-memory.dmp

Filesize
1.9MB

Download
memory/2948-146-0x0000000000400000-0x00000000005E4000-memory.dmp

Filesize
1.9MB

Download
memory/4732-136-0x0000000033C10000-0x0000000033DB3000-memory.dmp

Filesize
1.6MB

Download
memory/4732-137-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/4732-134-0x0000000033AC0000-0x0000000033B3B000-memory.dmp

Filesize
492KB

Download
memory/4732-145-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads