fickerstealer | 9eb11a49b41fd31e9307d8d395dbd536e885378a107c57c61427adf93faae4df

General

Target

mixsix_20210924-233459.exe
Size

526KB
MD5

5f6fa8274dfa727362e6bfe5953bdc4a
SHA1

a9ab2ea1e972988f4d2d47a5b82138d2e16d0e8c
SHA256

9eb11a49b41fd31e9307d8d395dbd536e885378a107c57c61427adf93faae4df
SHA512

8e9c93df405bb22f21c9ed979dd86fcede363270a40ea19fb396c821040c6f443d9a48a9b474c33e5883a9f3a46d3569b7fd4688fde680d58b7e6207ec595a1d

Score

10^/10

fickerstealer discovery infostealer spyware stealer suricata

Malware Config

Extracted

Family

fickerstealer

C2

game2030.site:80

Signatures

Fickerstealer
Ficker is an infostealer written in Rust and ASM.
infostealer fickerstealer
suricata: ET MALWARE Win32/Ficker Stealer Activity M3
suricata: ET MALWARE Win32/Ficker Stealer Activity M3
suricata
Executes dropped EXE 2 IoCs

Processes:

1632664251454.exe1632664251768.exe

pid process

3008 1632664251454.exe
1744 1632664251768.exe
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

1 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

mixsix_20210924-233459.exe

description pid process target process

PID 4016 set thread context of 3608 4016 mixsix_20210924-233459.exe mixsix_20210924-233459.exe

pid	process
3008	1632664251454.exe
1744	1632664251768.exe

flow	ioc
1	api.ipify.org

description	pid	process	target process
PID 4016 set thread context of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

mixsix_20210924-233459.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	mixsix_20210924-233459.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	mixsix_20210924-233459.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

mixsix_20210924-233459.exe

pid process

3608 mixsix_20210924-233459.exe
3608 mixsix_20210924-233459.exe

pid	process
3608	mixsix_20210924-233459.exe
3608	mixsix_20210924-233459.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

mixsix_20210924-233459.exemixsix_20210924-233459.exe

description	pid	process	target process
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 4016 wrote to memory of 3608	4016	mixsix_20210924-233459.exe	mixsix_20210924-233459.exe
PID 3608 wrote to memory of 3008	3608	mixsix_20210924-233459.exe	1632664251454.exe
PID 3608 wrote to memory of 3008	3608	mixsix_20210924-233459.exe	1632664251454.exe
PID 3608 wrote to memory of 3008	3608	mixsix_20210924-233459.exe	1632664251454.exe
PID 3608 wrote to memory of 1744	3608	mixsix_20210924-233459.exe	1632664251768.exe
PID 3608 wrote to memory of 1744	3608	mixsix_20210924-233459.exe	1632664251768.exe
PID 3608 wrote to memory of 1744	3608	mixsix_20210924-233459.exe	1632664251768.exe

C:\Users\Admin\AppData\Local\Temp\mixsix_20210924-233459.exe
"C:\Users\Admin\AppData\Local\Temp\mixsix_20210924-233459.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4016

C:\Users\Admin\AppData\Local\Temp\mixsix_20210924-233459.exe
"C:\Users\Admin\AppData\Local\Temp\mixsix_20210924-233459.exe"
2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3608

C:\Users\Admin\AppData\Local\Temp\1632664251454.exe
"C:\Users\Admin\AppData\Local\Temp\1632664251454.exe"
3⤵
- Executes dropped EXE
PID:3008

C:\Users\Admin\AppData\Local\Temp\1632664251768.exe
"C:\Users\Admin\AppData\Local\Temp\1632664251768.exe"
3⤵
- Executes dropped EXE
PID:1744

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1632664251454.exe
MD5
5c2239fc23f6fbf9255c028fd5a31c2d

SHA1
838606011ef69960fe2a0092c8eaf8ce34ee908d

SHA256
49913ed81ebc44a229799d68f33dcb018f56bec67bbf552166c52d0ddaa9a386

SHA512
bf8c583254d1223fdd747cd51b9bbe26bbc2c39ed49c467f985944ba7530a6a0a4fe4d66f168c0f2ec3a45fd6a87f6fba70238345261a1baeae6b6981efa5de6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1632664251454.exe
MD5
5c2239fc23f6fbf9255c028fd5a31c2d

SHA1
838606011ef69960fe2a0092c8eaf8ce34ee908d

SHA256
49913ed81ebc44a229799d68f33dcb018f56bec67bbf552166c52d0ddaa9a386

SHA512
bf8c583254d1223fdd747cd51b9bbe26bbc2c39ed49c467f985944ba7530a6a0a4fe4d66f168c0f2ec3a45fd6a87f6fba70238345261a1baeae6b6981efa5de6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1632664251768.exe
MD5
f51ba78075a26eb83caca0d95bbe22c6

SHA1
02a40c1e3bf49040f959f1ee3e6f532453740fb8

SHA256
8dc5ad841d1d047a8bd3b57727da647dd8e1548a3be6178f341438b97c0f28b9

SHA512
c757126cb32ca7a8321668562b28c50b9428e3ea215ba0c4e3e04fa79c3c18689534245b5d151bedb082166bcb574cb5698185a48cc5f9be7bce227d4a6c37cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\1632664251768.exe
MD5
f51ba78075a26eb83caca0d95bbe22c6

SHA1
02a40c1e3bf49040f959f1ee3e6f532453740fb8

SHA256
8dc5ad841d1d047a8bd3b57727da647dd8e1548a3be6178f341438b97c0f28b9

SHA512
c757126cb32ca7a8321668562b28c50b9428e3ea215ba0c4e3e04fa79c3c18689534245b5d151bedb082166bcb574cb5698185a48cc5f9be7bce227d4a6c37cf

Download Submit
memory/1744-121-0x0000000000000000-mapping.dmp

Download
memory/3008-118-0x0000000000000000-mapping.dmp

Download
memory/3608-116-0x0000000000401480-mapping.dmp

Download
memory/3608-115-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3608-117-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4016-114-0x0000000002BB0000-0x0000000002BF7000-memory.dmp

Filesize
284KB

Download

Analysis

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