typhon | b942051bc7005005adb60a5dae192214608a85ce473506ccaae10c3d23f851bc

Analysis

max time kernel
61s
max time network
128s
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, 18:11

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/4124-133-0x0000000000C90000-0x0000000000EE2000-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
12	ipinfo.io
23	api.ipify.org
24	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
4116	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
5032	taskkill.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe
4124	typhon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4124	typhon.exe
Token: SeDebugPrivilege	5032	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 4204	4124	typhon.exe	90
PID 4124 wrote to memory of 4204	4124	typhon.exe	90
PID 4124 wrote to memory of 4204	4124	typhon.exe	90
PID 4204 wrote to memory of 2384	4204	cmd.exe	92
PID 4204 wrote to memory of 2384	4204	cmd.exe	92
PID 4204 wrote to memory of 2384	4204	cmd.exe	92
PID 4204 wrote to memory of 2748	4204	cmd.exe	93
PID 4204 wrote to memory of 2748	4204	cmd.exe	93
PID 4204 wrote to memory of 2748	4204	cmd.exe	93
PID 4204 wrote to memory of 2824	4204	cmd.exe	94
PID 4204 wrote to memory of 2824	4204	cmd.exe	94
PID 4204 wrote to memory of 2824	4204	cmd.exe	94
PID 4124 wrote to memory of 2652	4124	typhon.exe	95
PID 4124 wrote to memory of 2652	4124	typhon.exe	95
PID 4124 wrote to memory of 2652	4124	typhon.exe	95
PID 2652 wrote to memory of 3424	2652	cmd.exe	97
PID 2652 wrote to memory of 3424	2652	cmd.exe	97
PID 2652 wrote to memory of 3424	2652	cmd.exe	97
PID 2652 wrote to memory of 1032	2652	cmd.exe	98
PID 2652 wrote to memory of 1032	2652	cmd.exe	98
PID 2652 wrote to memory of 1032	2652	cmd.exe	98
PID 4124 wrote to memory of 1592	4124	typhon.exe	99
PID 4124 wrote to memory of 1592	4124	typhon.exe	99
PID 4124 wrote to memory of 1592	4124	typhon.exe	99
PID 1592 wrote to memory of 5032	1592	cmd.exe	101
PID 1592 wrote to memory of 5032	1592	cmd.exe	101
PID 1592 wrote to memory of 5032	1592	cmd.exe	101
PID 1592 wrote to memory of 4116	1592	cmd.exe	102
PID 1592 wrote to memory of 4116	1592	cmd.exe	102
PID 1592 wrote to memory of 4116	1592	cmd.exe	102

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:4124
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4204
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:2384
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:2748
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:2824
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:3424
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:1032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\tmpD732.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\typhon.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1592
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 4124
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:5032
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4116

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
91117691faf6c33a43144589f598438c

SHA1
4ba1a5a8ff540870025916b37560c63a83ddd3b8

SHA256
f1e38c2c44e8fbb993a73e71ab723155f802f1afb669eaa18731f0a7dd557a1e

SHA512
060c252d297679e706c0e33a656a10032270066784b18e2da1cf2c483adea230079cca46f22baf172b8508ad50fa744fae3ef7c0c0dd2b9bfbd90f67b6389ead

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD732.tmp.bat

Filesize
101B

MD5
0837adb9c2271bc99ed83268626eddbb

SHA1
943cacc8ec28d3b852cfbfe8af01f8357a3b2e81

SHA256
f36799ded4b87725e79f8fa27d1be567035f54f91893bb3e4e2a800619e3906f

SHA512
52f84ee5326c6569c89b913941c80c33acd33f7370180ea9654e72dab555b16de39cc6da2ff5ddc969540de2b33cbeb7be21d95dc8e8334a460288ec449de06e

Download Submit
memory/4124-133-0x0000000000C90000-0x0000000000EE2000-memory.dmp

Filesize
2.3MB

Download
memory/4124-134-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download
memory/4124-135-0x0000000006460000-0x00000000064F2000-memory.dmp

Filesize
584KB

Download
memory/4124-136-0x0000000006500000-0x0000000006566000-memory.dmp

Filesize
408KB

Download
memory/4124-137-0x0000000006C20000-0x00000000071C4000-memory.dmp

Filesize
5.6MB

Download
memory/4124-201-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download
memory/4124-252-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download
memory/4124-253-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download