fickerstealer | 9b6188115efb3c65fa996b0ed552c0d56c2f03e2b2cc10088d79221ae60ea59b

Analysis

max time kernel
100s
max time network
88s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-03-2024 03:33

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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 infostealer

Malware Config

Extracted

Family

fickerstealer

45.93.201.181:80

Signatures

Fickerstealer
Ficker is an infostealer written in Rust and ASM.
infostealer fickerstealer
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2684	2076	WerFault.exe	28

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_Classes\Local Settings	rundll32.exe

Opens file in notepad (likely ransom note) 2 IoCs

ransomware

pid	Process
2792	notepad.exe
1916	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe
348	Setup.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2724	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2724	AUDIODG.EXE
Token: 33	2724	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2724	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2792	notepad.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 348 wrote to memory of 2076	348	Setup.exe	28
PID 2076 wrote to memory of 2684	2076	Setup.exe	29
PID 2076 wrote to memory of 2684	2076	Setup.exe	29
PID 2076 wrote to memory of 2684	2076	Setup.exe	29
PID 2076 wrote to memory of 2684	2076	Setup.exe	29
PID 2076 wrote to memory of 2684	2076	Setup.exe	29
PID 2076 wrote to memory of 2684	2076	Setup.exe	29
PID 2076 wrote to memory of 2684	2076	Setup.exe	29
PID 2676 wrote to memory of 2792	2676	rundll32.exe	33
PID 2676 wrote to memory of 2792	2676	rundll32.exe	33
PID 2676 wrote to memory of 2792	2676	rundll32.exe	33
PID 1260 wrote to memory of 1916	1260	rundll32.exe	37
PID 1260 wrote to memory of 1916	1260	rundll32.exe	37
PID 1260 wrote to memory of 1916	1260	rundll32.exe	37

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:348
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 256
    3⤵
    - Program crash
    PID:2684

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\HideReset.ps1
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe" "C:\Users\Admin\Desktop\HideReset.ps1"
  2⤵
  - Opens file in notepad (likely ransom note)
  - Suspicious use of FindShellTrayWindow
  PID:2792

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\ConnectUse.inf
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\ConnectUse.inf
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1916

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4fc
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/348-0-0x0000000000380000-0x00000000003FB000-memory.dmp

Filesize
492KB

Download
memory/348-1-0x0000000033850000-0x00000000339D0000-memory.dmp

Filesize
1.5MB

Download
memory/348-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/348-9-0x0000000000380000-0x00000000003FB000-memory.dmp

Filesize
492KB

Download
memory/2076-3-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2076-5-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2076-4-0x000000007750F000-0x0000000077510000-memory.dmp

Filesize
4KB

Download
memory/2076-7-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2076-8-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download