fickerstealer | 9b6188115efb3c65fa996b0ed552c0d56c2f03e2b2cc10088d79221ae60ea59b

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

C2

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

Processes:

WerFault.exe

pid pid_target process target process

2684 2076 WerFault.exe Setup.exe

pid	pid_target	process	target process
2684	2076	WerFault.exe	Setup.exe

Modifies registry class 2 IoCs

Processes:

rundll32.exerundll32.exe

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

Processes:

notepad.exeNOTEPAD.EXE

pid process

2792 notepad.exe
1916 NOTEPAD.EXE

pid	process
2792	notepad.exe
1916	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

Setup.exe

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

Processes:

AUDIODG.EXE

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

Processes:

notepad.exe

pid process

2792 notepad.exe

pid	process
2792	notepad.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

Setup.exeSetup.exerundll32.exerundll32.exe

description	pid	process	target process
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 348 wrote to memory of 2076	348	Setup.exe	Setup.exe
PID 2076 wrote to memory of 2684	2076	Setup.exe	WerFault.exe
PID 2076 wrote to memory of 2684	2076	Setup.exe	WerFault.exe
PID 2076 wrote to memory of 2684	2076	Setup.exe	WerFault.exe
PID 2076 wrote to memory of 2684	2076	Setup.exe	WerFault.exe
PID 2076 wrote to memory of 2684	2076	Setup.exe	WerFault.exe
PID 2076 wrote to memory of 2684	2076	Setup.exe	WerFault.exe
PID 2076 wrote to memory of 2684	2076	Setup.exe	WerFault.exe
PID 2676 wrote to memory of 2792	2676	rundll32.exe	notepad.exe
PID 2676 wrote to memory of 2792	2676	rundll32.exe	notepad.exe
PID 2676 wrote to memory of 2792	2676	rundll32.exe	notepad.exe
PID 1260 wrote to memory of 1916	1260	rundll32.exe	NOTEPAD.EXE
PID 1260 wrote to memory of 1916	1260	rundll32.exe	NOTEPAD.EXE
PID 1260 wrote to memory of 1916	1260	rundll32.exe	NOTEPAD.EXE

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

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads