typhon | b942051bc7005005adb60a5dae192214608a85ce473506ccaae10c3d23f851bc

Analysis

max time kernel
132s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2023, 20:11

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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/5060-133-0x0000000000DB0000-0x0000000001002000-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
13	ipinfo.io
29	api.ipify.org
30	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
936	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2624	taskkill.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe
5060	typhon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5060	typhon.exe
Token: SeDebugPrivilege	2624	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 2432	5060	typhon.exe	84
PID 5060 wrote to memory of 2432	5060	typhon.exe	84
PID 5060 wrote to memory of 2432	5060	typhon.exe	84
PID 2432 wrote to memory of 3568	2432	cmd.exe	86
PID 2432 wrote to memory of 3568	2432	cmd.exe	86
PID 2432 wrote to memory of 3568	2432	cmd.exe	86
PID 2432 wrote to memory of 2508	2432	cmd.exe	87
PID 2432 wrote to memory of 2508	2432	cmd.exe	87
PID 2432 wrote to memory of 2508	2432	cmd.exe	87
PID 2432 wrote to memory of 1540	2432	cmd.exe	88
PID 2432 wrote to memory of 1540	2432	cmd.exe	88
PID 2432 wrote to memory of 1540	2432	cmd.exe	88
PID 5060 wrote to memory of 4108	5060	typhon.exe	89
PID 5060 wrote to memory of 4108	5060	typhon.exe	89
PID 5060 wrote to memory of 4108	5060	typhon.exe	89
PID 4108 wrote to memory of 2740	4108	cmd.exe	91
PID 4108 wrote to memory of 2740	4108	cmd.exe	91
PID 4108 wrote to memory of 2740	4108	cmd.exe	91
PID 4108 wrote to memory of 364	4108	cmd.exe	92
PID 4108 wrote to memory of 364	4108	cmd.exe	92
PID 4108 wrote to memory of 364	4108	cmd.exe	92
PID 5060 wrote to memory of 4972	5060	typhon.exe	100
PID 5060 wrote to memory of 4972	5060	typhon.exe	100
PID 5060 wrote to memory of 4972	5060	typhon.exe	100
PID 4972 wrote to memory of 2624	4972	cmd.exe	102
PID 4972 wrote to memory of 2624	4972	cmd.exe	102
PID 4972 wrote to memory of 2624	4972	cmd.exe	102
PID 4972 wrote to memory of 936	4972	cmd.exe	103
PID 4972 wrote to memory of 936	4972	cmd.exe	103
PID 4972 wrote to memory of 936	4972	cmd.exe	103

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:5060
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2432
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:3568
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:2508
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:1540
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4108
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:2740
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\tmpD473.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\typhon.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4972
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 5060
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2624
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:936

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
2f3d695b896f23c4fe4d61d91091aad3

SHA1
69864d26e9ec1d0c9fe11dbb7b15df78bd4333ef

SHA256
0f9c12bbac596bc48cb1a2eb6265c83ae3876cc7eabedc5fc23ea5c67c4121f2

SHA512
88b33814407b2a60db1040ccf59194c7bbfdfb974ae9890343a782c3d18688fc79be7edfa37eaab3dab3ee71ccd6b5ab3addc75ca4f35bd26622f96fe778ff7d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD473.tmp.bat

Filesize
101B

MD5
b7aaa48c1ebac883fb3a4792d76c8f49

SHA1
c5cf6640bd9187c74df31cf854f3ce5a643bf3b0

SHA256
30d81eb80ac4194f40d10195a58ce492f59b61976c34bd9c2851cb6dc47b6f63

SHA512
6333aca9e82cddf30d83cc86706e6d55b1ee6dfc5d8410cbbf0ed1afde787043a3ba1ea3dc1faa5bf96c5e7f96086f790758d5217b5e0e476bd601441d5a2e1c

Download Submit
memory/5060-133-0x0000000000DB0000-0x0000000001002000-memory.dmp

Filesize
2.3MB

Download
memory/5060-134-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/5060-135-0x0000000006450000-0x00000000064E2000-memory.dmp

Filesize
584KB

Download
memory/5060-136-0x00000000064F0000-0x0000000006556000-memory.dmp

Filesize
408KB

Download
memory/5060-137-0x0000000006C10000-0x00000000071B4000-memory.dmp

Filesize
5.6MB

Download
memory/5060-207-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/5060-248-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/5060-249-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download