fickerstealer | ca0aef7482908df28ea75b42f8b26236aecfcc5b37421fdc0d309cee15500506

Analysis

max time kernel
144s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2024 14:34

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General

Target

null.exe
Size

445KB
MD5

f3a5853a448abbe8b10144d11401d835
SHA1

3b1faf00ff991c603fd6c9b01ba1f01e535bf5d4
SHA256

91a7a0dd8930ad66fc44cac3720d7db83fda6f9902c967e47bec0d67cafc6631
SHA512

9c6b30a077859dfdc2e5d59d451096bc5089b3be8f44c7787cb4e82462789b50925964c2048ac7989699b47421622ed1d4c01507e56c87d7d5e83ef5253844cc
SSDEEP

12288:3kcf3zuGM5Zyc2YBXzziGlTA7W/+PzSYF6ey:3D3zuGMPA8TAvzuey

Score

10^/10

fickerstealer discovery infostealer

Malware Config

Extracted

Family

fickerstealer

bukkva.club:80

Signatures

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

flow	ioc
20	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1388 set thread context of 3688	1388	null.exe	91

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

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

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91
PID 1388 wrote to memory of 3688	1388	null.exe	91

C:\Users\Admin\AppData\Local\Temp\null.exe
"C:\Users\Admin\AppData\Local\Temp\null.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\null.exe
  "C:\Users\Admin\AppData\Local\Temp\null.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3688

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
17bcf11dc5f1fa6c48a1a856a72f1119

SHA1
873ec0cbd312762df3510b8cccf260dc0a23d709

SHA256
a7bf504871a46343c2feab9d923e01b9dca4e980b2e122ad55fd4dbb3f6c16d9

SHA512
9c12db4c6a105e767ff27048d2f8f19de5c9721ce6503dbb497aedcc1fc8b910a6fa43ec987fecd26794aff7440cb984744698fec5741dd73400a299dc3b2a25

Download Submit
memory/1388-2-0x0000000002650000-0x0000000002694000-memory.dmp

Filesize
272KB

Download
memory/1388-1-0x0000000000AA0000-0x0000000000BA0000-memory.dmp

Filesize
1024KB

Download
memory/3688-3-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3688-5-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3688-6-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/3688-12-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download