typhon | b942051bc7005005adb60a5dae192214608a85ce473506ccaae10c3d23f851bc

Analysis

max time kernel
98s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2023 15:47

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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/1916-133-0x0000000000CE0000-0x0000000000F32000-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-1-5-21-1013461898-3711306144-4198452673-1000\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
18	ipinfo.io
30	api.ipify.org
31	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
3364	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
316	taskkill.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe
1916	typhon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1916	typhon.exe
Token: SeDebugPrivilege	316	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 216	1916	typhon.exe	87
PID 1916 wrote to memory of 216	1916	typhon.exe	87
PID 1916 wrote to memory of 216	1916	typhon.exe	87
PID 216 wrote to memory of 3620	216	cmd.exe	89
PID 216 wrote to memory of 3620	216	cmd.exe	89
PID 216 wrote to memory of 3620	216	cmd.exe	89
PID 216 wrote to memory of 620	216	cmd.exe	90
PID 216 wrote to memory of 620	216	cmd.exe	90
PID 216 wrote to memory of 620	216	cmd.exe	90
PID 216 wrote to memory of 1276	216	cmd.exe	91
PID 216 wrote to memory of 1276	216	cmd.exe	91
PID 216 wrote to memory of 1276	216	cmd.exe	91
PID 1916 wrote to memory of 4760	1916	typhon.exe	92
PID 1916 wrote to memory of 4760	1916	typhon.exe	92
PID 1916 wrote to memory of 4760	1916	typhon.exe	92
PID 4760 wrote to memory of 2640	4760	cmd.exe	94
PID 4760 wrote to memory of 2640	4760	cmd.exe	94
PID 4760 wrote to memory of 2640	4760	cmd.exe	94
PID 4760 wrote to memory of 4652	4760	cmd.exe	95
PID 4760 wrote to memory of 4652	4760	cmd.exe	95
PID 4760 wrote to memory of 4652	4760	cmd.exe	95
PID 1916 wrote to memory of 3376	1916	typhon.exe	98
PID 1916 wrote to memory of 3376	1916	typhon.exe	98
PID 1916 wrote to memory of 3376	1916	typhon.exe	98
PID 3376 wrote to memory of 316	3376	cmd.exe	100
PID 3376 wrote to memory of 316	3376	cmd.exe	100
PID 3376 wrote to memory of 316	3376	cmd.exe	100
PID 3376 wrote to memory of 3364	3376	cmd.exe	101
PID 3376 wrote to memory of 3364	3376	cmd.exe	101
PID 3376 wrote to memory of 3364	3376	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:1916
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:3620
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:620
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:1276
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4760
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:2640
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:4652
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\tmpE5E7.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\typhon.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3376
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 1916
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:316
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:3364

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
04aa717608374818d07856f23f7e6d16

SHA1
3f9a30dc9f9b1d022f28037ce06016573fe62a4b

SHA256
20a6ae6f15c2f6c4abb4e92fa0d9ca7874981e841fcc26db541edb4224dfe447

SHA512
cf90cfe20c744ac1d1bef601256fb893da49459de6849e2e8e5f870e98d0be7020d52f38ed9fae438feac24deaa2f2defd7ce09ca34a37928b20e16594282558

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE5E7.tmp.bat

Filesize
101B

MD5
b4ab3aadf64aae56cd34fa9cca62c0f6

SHA1
e7dbcd3c518211d4356732c8b443f96e57fdbdec

SHA256
b37179cd8384ded230f92ea87e895481b7b8ea77ce85e481ce776ee7951a2f62

SHA512
d93e21df39d00b232387ed099b64033a337fb88c5197b2cc1935e833f0839583af7b771657bbb7e296a545486578b44e4d05dac9fc1f2055e69a7a6f9a58203a

Download Submit
memory/1916-133-0x0000000000CE0000-0x0000000000F32000-memory.dmp

Filesize
2.3MB

Download
memory/1916-134-0x0000000005980000-0x0000000005990000-memory.dmp

Filesize
64KB

Download
memory/1916-135-0x0000000006370000-0x0000000006402000-memory.dmp

Filesize
584KB

Download
memory/1916-136-0x0000000006410000-0x0000000006476000-memory.dmp

Filesize
408KB

Download
memory/1916-137-0x0000000006B30000-0x00000000070D4000-memory.dmp

Filesize
5.6MB

Download
memory/1916-219-0x0000000005980000-0x0000000005990000-memory.dmp

Filesize
64KB

Download
memory/1916-251-0x0000000005980000-0x0000000005990000-memory.dmp

Filesize
64KB

Download
memory/1916-252-0x0000000005980000-0x0000000005990000-memory.dmp

Filesize
64KB

Download