typhon | b942051bc7005005adb60a5dae192214608a85ce473506ccaae10c3d23f851bc

Analysis

max time kernel
61s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2023, 16:08

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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/4352-133-0x00000000000A0000-0x00000000002F2000-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-1-5-21-144354903-2550862337-1367551827-1000\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
16	ipinfo.io
28	api.ipify.org
29	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
1348	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3664	taskkill.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe
4352	typhon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4352	typhon.exe
Token: SeDebugPrivilege	3664	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 4948	4352	typhon.exe	88
PID 4352 wrote to memory of 4948	4352	typhon.exe	88
PID 4352 wrote to memory of 4948	4352	typhon.exe	88
PID 4948 wrote to memory of 4608	4948	cmd.exe	90
PID 4948 wrote to memory of 4608	4948	cmd.exe	90
PID 4948 wrote to memory of 4608	4948	cmd.exe	90
PID 4948 wrote to memory of 1388	4948	cmd.exe	91
PID 4948 wrote to memory of 1388	4948	cmd.exe	91
PID 4948 wrote to memory of 1388	4948	cmd.exe	91
PID 4948 wrote to memory of 4812	4948	cmd.exe	92
PID 4948 wrote to memory of 4812	4948	cmd.exe	92
PID 4948 wrote to memory of 4812	4948	cmd.exe	92
PID 4352 wrote to memory of 4864	4352	typhon.exe	93
PID 4352 wrote to memory of 4864	4352	typhon.exe	93
PID 4352 wrote to memory of 4864	4352	typhon.exe	93
PID 4864 wrote to memory of 2676	4864	cmd.exe	95
PID 4864 wrote to memory of 2676	4864	cmd.exe	95
PID 4864 wrote to memory of 2676	4864	cmd.exe	95
PID 4864 wrote to memory of 2368	4864	cmd.exe	96
PID 4864 wrote to memory of 2368	4864	cmd.exe	96
PID 4864 wrote to memory of 2368	4864	cmd.exe	96
PID 4352 wrote to memory of 3668	4352	typhon.exe	99
PID 4352 wrote to memory of 3668	4352	typhon.exe	99
PID 4352 wrote to memory of 3668	4352	typhon.exe	99
PID 3668 wrote to memory of 3664	3668	cmd.exe	101
PID 3668 wrote to memory of 3664	3668	cmd.exe	101
PID 3668 wrote to memory of 3664	3668	cmd.exe	101
PID 3668 wrote to memory of 1348	3668	cmd.exe	102
PID 3668 wrote to memory of 1348	3668	cmd.exe	102
PID 3668 wrote to memory of 1348	3668	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:4352
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:4608
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:1388
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:4812
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4864
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:2676
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:2368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\tmp297.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\typhon.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3668
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 4352
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3664
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:1348

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

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Downloads

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

Filesize
4KB

MD5
6916ddeb95b5ac174fe3d79c0f1b9a1f

SHA1
1e270ddd3ce7d1df86c94f15c7cd26dbf3a8d688

SHA256
8f2b154762a3d3c3b2b502828702c9cc2ef5950d0fca4ae522fe29f211064831

SHA512
742313bab9a53ee7c8e8b81befac0aa7921159e84f414351b720ffba25a25fa4b88761b9eed69137f69f50c412b3e570945bec66cae7d5526b2fdf2b3fbf35ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp297.tmp.bat

Filesize
101B

MD5
68f89e0764f19bd80c51936856951c5d

SHA1
167d787a6dfcd9c77b01dc852be0b3dc7bab7d85

SHA256
0a73276efa8b3abc405fe1595bdcfd0c300bd09dd2b76bfc7ada77ce83917afe

SHA512
ce301fc192304bb5c363f142c69f9fa93d6d2c5d07771c8c389bd276b159123903dac9c54900366499b81c084155290b78f5b67fbf7fcea309b5f772a5c9e13e

Download Submit
memory/4352-133-0x00000000000A0000-0x00000000002F2000-memory.dmp

Filesize
2.3MB

Download
memory/4352-134-0x0000000004D50000-0x0000000004D60000-memory.dmp

Filesize
64KB

Download
memory/4352-135-0x0000000005740000-0x00000000057D2000-memory.dmp

Filesize
584KB

Download
memory/4352-136-0x00000000057E0000-0x0000000005846000-memory.dmp

Filesize
408KB

Download
memory/4352-137-0x0000000005F00000-0x00000000064A4000-memory.dmp

Filesize
5.6MB

Download
memory/4352-200-0x0000000004D50000-0x0000000004D60000-memory.dmp

Filesize
64KB

Download
memory/4352-251-0x0000000004D50000-0x0000000004D60000-memory.dmp

Filesize
64KB

Download
memory/4352-252-0x0000000004D50000-0x0000000004D60000-memory.dmp

Filesize
64KB

Download