typhon | b942051bc7005005adb60a5dae192214608a85ce473506ccaae10c3d23f851bc

Analysis

max time kernel
91s
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
14/04/2023, 15:55

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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/1808-133-0x00000000005F0000-0x0000000000842000-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
11	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
3912	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2964	taskkill.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe
1808	typhon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1808	typhon.exe
Token: SeDebugPrivilege	2964	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 1284	1808	typhon.exe	86
PID 1808 wrote to memory of 1284	1808	typhon.exe	86
PID 1808 wrote to memory of 1284	1808	typhon.exe	86
PID 1284 wrote to memory of 4456	1284	cmd.exe	88
PID 1284 wrote to memory of 4456	1284	cmd.exe	88
PID 1284 wrote to memory of 4456	1284	cmd.exe	88
PID 1284 wrote to memory of 2092	1284	cmd.exe	90
PID 1284 wrote to memory of 2092	1284	cmd.exe	90
PID 1284 wrote to memory of 2092	1284	cmd.exe	90
PID 1284 wrote to memory of 1900	1284	cmd.exe	91
PID 1284 wrote to memory of 1900	1284	cmd.exe	91
PID 1284 wrote to memory of 1900	1284	cmd.exe	91
PID 1808 wrote to memory of 1632	1808	typhon.exe	92
PID 1808 wrote to memory of 1632	1808	typhon.exe	92
PID 1808 wrote to memory of 1632	1808	typhon.exe	92
PID 1632 wrote to memory of 4832	1632	cmd.exe	94
PID 1632 wrote to memory of 4832	1632	cmd.exe	94
PID 1632 wrote to memory of 4832	1632	cmd.exe	94
PID 1632 wrote to memory of 3608	1632	cmd.exe	95
PID 1632 wrote to memory of 3608	1632	cmd.exe	95
PID 1632 wrote to memory of 3608	1632	cmd.exe	95
PID 1808 wrote to memory of 4192	1808	typhon.exe	98
PID 1808 wrote to memory of 4192	1808	typhon.exe	98
PID 1808 wrote to memory of 4192	1808	typhon.exe	98
PID 4192 wrote to memory of 2964	4192	cmd.exe	100
PID 4192 wrote to memory of 2964	4192	cmd.exe	100
PID 4192 wrote to memory of 2964	4192	cmd.exe	100
PID 4192 wrote to memory of 3912	4192	cmd.exe	101
PID 4192 wrote to memory of 3912	4192	cmd.exe	101
PID 4192 wrote to memory of 3912	4192	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:1808
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1284
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:4456
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:2092
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:1900
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:4832
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:3608
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\tmpAB5.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\typhon.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4192
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 1808
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2964
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:3912

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
111eca9f1572b80ba029c4f251a8d478

SHA1
bd4ccd9b67a010309988b451a2c41cdfa96385df

SHA256
0823b5106ab5a1470ce69cecd30f9f9efd154564da822511c73f346ec92567ed

SHA512
d540d289983d78cf2f76dbbf934d02a9b2e5bab42166c187b2ea4fd3b14309e9293837b1c934452f017c10982b0799a73c69d6b8f37a1ae8bee831ee50ecb049

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAB5.tmp.bat

Filesize
101B

MD5
5647ff45ad192a55d9662fde76a5c9c7

SHA1
34b56e882564c2f45475a367fb1462c19a5d7cc3

SHA256
e161e570f90b1faf1c3a54eff7c5f5d8450b0f7e7896d5322ec9f0205320b9eb

SHA512
3417651adcbc40aae65783ae11ea01c278e0a14de41f461ab3bdd709a97614d5b2e86583a9177c4b40552bd7cb03b7b2fa188d121cf830aa17ca20d60de4cd9d

Download Submit
memory/1808-133-0x00000000005F0000-0x0000000000842000-memory.dmp

Filesize
2.3MB

Download
memory/1808-134-0x0000000002C10000-0x0000000002C20000-memory.dmp

Filesize
64KB

Download
memory/1808-135-0x0000000005C80000-0x0000000005D12000-memory.dmp

Filesize
584KB

Download
memory/1808-136-0x0000000005D20000-0x0000000005D86000-memory.dmp

Filesize
408KB

Download
memory/1808-137-0x0000000006440000-0x00000000069E4000-memory.dmp

Filesize
5.6MB

Download
memory/1808-227-0x0000000002C10000-0x0000000002C20000-memory.dmp

Filesize
64KB

Download
memory/1808-251-0x0000000002C10000-0x0000000002C20000-memory.dmp

Filesize
64KB

Download