typhon | b942051bc7005005adb60a5dae192214608a85ce473506ccaae10c3d23f851bc

Analysis

max time kernel
135s
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
21/04/2023, 20:24

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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/4480-133-0x0000000000400000-0x0000000000652000-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
14	ipinfo.io
27	api.ipify.org
28	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
4976	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1924	taskkill.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe
4480	typhon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4480	typhon.exe
Token: SeDebugPrivilege	1924	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 220	4480	typhon.exe	86
PID 4480 wrote to memory of 220	4480	typhon.exe	86
PID 4480 wrote to memory of 220	4480	typhon.exe	86
PID 220 wrote to memory of 4080	220	cmd.exe	88
PID 220 wrote to memory of 4080	220	cmd.exe	88
PID 220 wrote to memory of 4080	220	cmd.exe	88
PID 220 wrote to memory of 4576	220	cmd.exe	89
PID 220 wrote to memory of 4576	220	cmd.exe	89
PID 220 wrote to memory of 4576	220	cmd.exe	89
PID 220 wrote to memory of 4564	220	cmd.exe	90
PID 220 wrote to memory of 4564	220	cmd.exe	90
PID 220 wrote to memory of 4564	220	cmd.exe	90
PID 4480 wrote to memory of 532	4480	typhon.exe	92
PID 4480 wrote to memory of 532	4480	typhon.exe	92
PID 4480 wrote to memory of 532	4480	typhon.exe	92
PID 532 wrote to memory of 5088	532	cmd.exe	94
PID 532 wrote to memory of 5088	532	cmd.exe	94
PID 532 wrote to memory of 5088	532	cmd.exe	94
PID 532 wrote to memory of 1300	532	cmd.exe	95
PID 532 wrote to memory of 1300	532	cmd.exe	95
PID 532 wrote to memory of 1300	532	cmd.exe	95
PID 4480 wrote to memory of 2624	4480	typhon.exe	98
PID 4480 wrote to memory of 2624	4480	typhon.exe	98
PID 4480 wrote to memory of 2624	4480	typhon.exe	98
PID 2624 wrote to memory of 1924	2624	cmd.exe	100
PID 2624 wrote to memory of 1924	2624	cmd.exe	100
PID 2624 wrote to memory of 1924	2624	cmd.exe	100
PID 2624 wrote to memory of 4976	2624	cmd.exe	101
PID 2624 wrote to memory of 4976	2624	cmd.exe	101
PID 2624 wrote to memory of 4976	2624	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:4480
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:220
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:4080
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:4576
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:4564
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:532
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:5088
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:1300
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\tmp631.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\typhon.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 4480
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1924
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4976

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
8ea330f4c71827ab3e9fcc01ebbb7b36

SHA1
fd811c6db5f5a723c4c5106c18bdbf47b3665df6

SHA256
df25409efabea4fa11978c7bdd33dc3ee3e1bae8065df399e2b6c9fe398e47d3

SHA512
d66da884dff59afab552f9997babc6a650b13f5cae5d91ddf5465cebf7fef09c361c4959f3b8f24cdd6193b6efcaa6ecd3c82e62bb9a019ef7641b248f5f4677

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp631.tmp.bat

Filesize
101B

MD5
e82c9c224f029d87cdb6d2182e30c9cc

SHA1
867c7aaabb475c04aa13399bf91fe66021658052

SHA256
0802afc49212c34c30d04dba513ed4af8f7a4fc81aa3b664b2996d6819c1b561

SHA512
3ebdc1e3653ad4fd56c8c634e9d9467c6c8a4e1d5f5c09e60d64059eef3480d507007cc7d11eaf50d5d31f264f51a5632bff8cd94ab26344b62297b19fe1495f

Download Submit
memory/4480-133-0x0000000000400000-0x0000000000652000-memory.dmp

Filesize
2.3MB

Download
memory/4480-134-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/4480-135-0x0000000005A90000-0x0000000005B22000-memory.dmp

Filesize
584KB

Download
memory/4480-136-0x0000000005B30000-0x0000000005B96000-memory.dmp

Filesize
408KB

Download
memory/4480-137-0x0000000006250000-0x00000000067F4000-memory.dmp

Filesize
5.6MB

Download
memory/4480-212-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/4480-251-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/4480-252-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download