typhon | b942051bc7005005adb60a5dae192214608a85ce473506ccaae10c3d23f851bc

Analysis

max time kernel
59s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21/04/2023, 19:40

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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/1316-133-0x0000000000EE0000-0x0000000001132000-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
5	ipinfo.io
20	api.ipify.org
21	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).

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
2976	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1344	taskkill.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe
1316	typhon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1316	typhon.exe
Token: SeDebugPrivilege	1344	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 1168	1316	typhon.exe	84
PID 1316 wrote to memory of 1168	1316	typhon.exe	84
PID 1316 wrote to memory of 1168	1316	typhon.exe	84
PID 1168 wrote to memory of 3744	1168	cmd.exe	86
PID 1168 wrote to memory of 3744	1168	cmd.exe	86
PID 1168 wrote to memory of 3744	1168	cmd.exe	86
PID 1168 wrote to memory of 220	1168	cmd.exe	87
PID 1168 wrote to memory of 220	1168	cmd.exe	87
PID 1168 wrote to memory of 220	1168	cmd.exe	87
PID 1168 wrote to memory of 212	1168	cmd.exe	88
PID 1168 wrote to memory of 212	1168	cmd.exe	88
PID 1168 wrote to memory of 212	1168	cmd.exe	88
PID 1316 wrote to memory of 5040	1316	typhon.exe	89
PID 1316 wrote to memory of 5040	1316	typhon.exe	89
PID 1316 wrote to memory of 5040	1316	typhon.exe	89
PID 5040 wrote to memory of 1820	5040	cmd.exe	91
PID 5040 wrote to memory of 1820	5040	cmd.exe	91
PID 5040 wrote to memory of 1820	5040	cmd.exe	91
PID 5040 wrote to memory of 2548	5040	cmd.exe	92
PID 5040 wrote to memory of 2548	5040	cmd.exe	92
PID 5040 wrote to memory of 2548	5040	cmd.exe	92
PID 1316 wrote to memory of 1896	1316	typhon.exe	99
PID 1316 wrote to memory of 1896	1316	typhon.exe	99
PID 1316 wrote to memory of 1896	1316	typhon.exe	99
PID 1896 wrote to memory of 1344	1896	cmd.exe	101
PID 1896 wrote to memory of 1344	1896	cmd.exe	101
PID 1896 wrote to memory of 1344	1896	cmd.exe	101
PID 1896 wrote to memory of 2976	1896	cmd.exe	102
PID 1896 wrote to memory of 2976	1896	cmd.exe	102
PID 1896 wrote to memory of 2976	1896	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:1316
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:3744
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:220
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:212
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5040
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:1820
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:2548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\tmpDA2F.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\typhon.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1896
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 1316
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1344
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:2976

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
79ade1f7ce0fb1722e62b7b1d0f6b823

SHA1
008c414394a942a6a7f987babcbcfd2240eb7a59

SHA256
ec54a8c4cf1c7b8239e1b557cd8a172249fa4eeedc1642fa3803da3e669aff71

SHA512
c61a6fb61f6c047286e117c21dc677c7e6d7c186f728c0886fe53f17fd7d16742bf475916e8b5014901a90d3212feae70c36e010c0dfefbe8f911ee21fe88bb6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDA2F.tmp.bat

Filesize
101B

MD5
b9b91d862e257908d32360701ba79a7e

SHA1
e38c7580b6b7e6faf3572ccc109b2fa565065f42

SHA256
5e56d8cee79e5cd63e64d8c8387ebbe9eda545f45af4eeb18c51ad723c7b3a25

SHA512
7d640052dd64af33858d86df218285636dd0e8466ccb0ca40adbb556285e3b305d69b61bd44178bc054805cfbb56c6d04a43a51b1603889cb8131f6db1f1071f

Download Submit
memory/1316-133-0x0000000000EE0000-0x0000000001132000-memory.dmp

Filesize
2.3MB

Download
memory/1316-134-0x0000000005C70000-0x0000000005C80000-memory.dmp

Filesize
64KB

Download
memory/1316-135-0x00000000066B0000-0x0000000006742000-memory.dmp

Filesize
584KB

Download
memory/1316-136-0x0000000006750000-0x00000000067B6000-memory.dmp

Filesize
408KB

Download
memory/1316-137-0x0000000006E70000-0x0000000007414000-memory.dmp

Filesize
5.6MB

Download
memory/1316-210-0x0000000005C70000-0x0000000005C80000-memory.dmp

Filesize
64KB

Download
memory/1316-248-0x0000000005C70000-0x0000000005C80000-memory.dmp

Filesize
64KB

Download
memory/1316-249-0x0000000005C70000-0x0000000005C80000-memory.dmp

Filesize
64KB

Download