typhon | b942051bc7005005adb60a5dae192214608a85ce473506ccaae10c3d23f851bc

Analysis

max time kernel
135s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2023, 18:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

typhon.exe
Size

2.3MB
MD5

d1d84c844681fe3c672a713c1a3bf52c
SHA1

099ec412993603c50ec87fd27c2315bd87b6fe7e
SHA256

a12933ab47993f5b6d09bec935163c7f077576a8b7b8362e397fe4f1ce4e791c
SHA512

3ee33d27c03f4b1e9977ea8b8905ec070cfc74adf4327dbb81923c2fa2df412d5f9d08b1d7e49c54ccf6333728a8e3c2ae278b79a214bb662854f8019dee25d0
SSDEEP

49152:8UbowEOvygS7/1sHOqJ02nTPFdRPqxMai2TBmCs2Odw+W7SC:8Ucwti78OqJ7TPB2Tc2Ou

Score

10^/10

typhon spyware stealer

Malware Config

Signatures

Detects Typhon stealer 1 IoCs

stealer

resource	yara_rule
behavioral2/memory/3888-133-0x0000000000F30000-0x0000000001182000-memory.dmp	family_typhon

Typhon
Typhon is a modular stealer written in C#.
stealer typhon

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	typhon.exe

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

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	ipinfo.io
26	api.ipify.org
27	api.ipify.org

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	typhon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	typhon.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1192	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1364	taskkill.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe
3888	typhon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3888	typhon.exe
Token: SeDebugPrivilege	1364	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 1384	3888	typhon.exe	83
PID 3888 wrote to memory of 1384	3888	typhon.exe	83
PID 3888 wrote to memory of 1384	3888	typhon.exe	83
PID 1384 wrote to memory of 2732	1384	cmd.exe	85
PID 1384 wrote to memory of 2732	1384	cmd.exe	85
PID 1384 wrote to memory of 2732	1384	cmd.exe	85
PID 1384 wrote to memory of 4824	1384	cmd.exe	86
PID 1384 wrote to memory of 4824	1384	cmd.exe	86
PID 1384 wrote to memory of 4824	1384	cmd.exe	86
PID 1384 wrote to memory of 4832	1384	cmd.exe	87
PID 1384 wrote to memory of 4832	1384	cmd.exe	87
PID 1384 wrote to memory of 4832	1384	cmd.exe	87
PID 3888 wrote to memory of 4628	3888	typhon.exe	88
PID 3888 wrote to memory of 4628	3888	typhon.exe	88
PID 3888 wrote to memory of 4628	3888	typhon.exe	88
PID 4628 wrote to memory of 3656	4628	cmd.exe	90
PID 4628 wrote to memory of 3656	4628	cmd.exe	90
PID 4628 wrote to memory of 3656	4628	cmd.exe	90
PID 4628 wrote to memory of 4296	4628	cmd.exe	91
PID 4628 wrote to memory of 4296	4628	cmd.exe	91
PID 4628 wrote to memory of 4296	4628	cmd.exe	91
PID 3888 wrote to memory of 3400	3888	typhon.exe	98
PID 3888 wrote to memory of 3400	3888	typhon.exe	98
PID 3888 wrote to memory of 3400	3888	typhon.exe	98
PID 3400 wrote to memory of 1364	3400	cmd.exe	100
PID 3400 wrote to memory of 1364	3400	cmd.exe	100
PID 3400 wrote to memory of 1364	3400	cmd.exe	100
PID 3400 wrote to memory of 1192	3400	cmd.exe	101
PID 3400 wrote to memory of 1192	3400	cmd.exe	101
PID 3400 wrote to memory of 1192	3400	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\typhon.exe
"C:\Users\Admin\AppData\Local\Temp\typhon.exe"
1⤵
- Checks computer location settings
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:2732
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:4824
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:4832
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4628
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:3656
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:4296
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\tmp4D9.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\typhon.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3400
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 3888
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1364
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:1192

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\ReporterLogs\System Info\Running Processes.txt

Filesize
4KB

MD5
912fe651d3a7744acefbe828faa3a1ed

SHA1
72d7152fc1fccf5dbd33533b81d4b55f8d5fe13b

SHA256
fce6b71599ec247b28d461cc669d7c3c2f75d78133883e598e21fc74f810ba34

SHA512
b3ce9f5a6eb65d614720c9463cf23e67c80881c257e5b73994116b09a9422f1522cc18ca67359e51c9872ce51294013a035705b0a72c53da5ee4a78c45151671

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4D9.tmp.bat

Filesize
101B

MD5
3cedbbc48a0ece7d203926eab65732b4

SHA1
25ea8ceefcdcfac3d1d7f1ab471c6f57ec8b0765

SHA256
434282f1c6c34a5819f60e34f0689490702fc63a23b900633a3a49ffe2d32d03

SHA512
498a3a148e527a4e4c93c3ec1102da22938d92b683efd37ec82f346cdd4bd0e50a9a1ef24cc7590fec8f9d1a26c248b71210546f29933c43fd096ff7a57773be

Download Submit
memory/3888-133-0x0000000000F30000-0x0000000001182000-memory.dmp

Filesize
2.3MB

Download
memory/3888-134-0x0000000005B70000-0x0000000005B80000-memory.dmp

Filesize
64KB

Download
memory/3888-135-0x00000000065E0000-0x0000000006672000-memory.dmp

Filesize
584KB

Download
memory/3888-136-0x0000000006680000-0x00000000066E6000-memory.dmp

Filesize
408KB

Download
memory/3888-137-0x0000000006DA0000-0x0000000007344000-memory.dmp

Filesize
5.6MB

Download
memory/3888-208-0x0000000005B70000-0x0000000005B80000-memory.dmp

Filesize
64KB

Download
memory/3888-248-0x0000000005B70000-0x0000000005B80000-memory.dmp

Filesize
64KB

Download
memory/3888-249-0x0000000005B70000-0x0000000005B80000-memory.dmp

Filesize
64KB

Download