fickerstealer | 1045b0b441c50d7268f9fbcc19a23093f9efae22c0fc006a28e11190f7115fa4

Resubmissions

31-07-2024 09:17

240731-k84a5axckp 10

Analysis

max time kernel
141s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2024 09:17

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General

Target

c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
Size

390KB
MD5

562daf0dafe1eeed0d7b541d39136156
SHA1

3b432a2b66cd8eb3837d7547ea3eb287f2b26574
SHA256

c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb
SHA512

62abb8de0a46f320161e393560748ffa6ed3f89fa342dbc41e429ae67c5c1248b7facc1e26e203a61131d84eda03de2612bc1f719a0525cbba03e37abac007ba
SSDEEP

6144:WlztA+MRDqoqLgblVk9hXWADQk8kVh6OV5dVvQ7ceWJdpp00xsu:Wl++MRDsKlahPDQEVpvwWJ5fxsu

Score

10^/10

fickerstealer discovery infostealer

Malware Config

Extracted

Family

fickerstealer

188.120.251.192:80

Signatures

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

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
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe

description	pid	Process	procid_target
PID 1384 set thread context of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exec04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe

description	pid	Process	procid_target
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85
PID 1384 wrote to memory of 4624	1384	c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe	85

C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
"C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
  "C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\kaosdma.txt

Filesize
13B

MD5
907326301a53876360553d631f2775c4

SHA1
e900c12c18a7295611f3e2234bc68e8dc0501e06

SHA256
d5543b3a5715587c9c0993a7f56f3e1ee445af837f62c38f2f3457a2ea8d00c8

SHA512
435c1fd96b79b70c370d6f769d44eca3e682404189ff42a6b5718c21bf9dc8358d72c115d68dc25014b8cb9c709af0e64de012103fce687cf4a340fa8f3ea2aa

Download Submit
memory/1384-1-0x0000000000740000-0x0000000000840000-memory.dmp

Filesize
1024KB

Download
memory/1384-2-0x0000000000560000-0x00000000005A4000-memory.dmp

Filesize
272KB

Download
memory/4624-3-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/4624-5-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/4624-6-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/4624-12-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download