typhon | b942051bc7005005adb60a5dae192214608a85ce473506ccaae10c3d23f851bc

Analysis

max time kernel
99s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
24/04/2023, 14:34

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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/1512-133-0x00000000007E0000-0x0000000000A32000-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-1-5-21-1675742406-747946869-1029867430-1000\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
26	api.ipify.org
27	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
2884	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4224	taskkill.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe
1512	typhon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	typhon.exe
Token: SeDebugPrivilege	4224	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 4952	1512	typhon.exe	89
PID 1512 wrote to memory of 4952	1512	typhon.exe	89
PID 1512 wrote to memory of 4952	1512	typhon.exe	89
PID 4952 wrote to memory of 2176	4952	cmd.exe	91
PID 4952 wrote to memory of 2176	4952	cmd.exe	91
PID 4952 wrote to memory of 2176	4952	cmd.exe	91
PID 4952 wrote to memory of 1644	4952	cmd.exe	92
PID 4952 wrote to memory of 1644	4952	cmd.exe	92
PID 4952 wrote to memory of 1644	4952	cmd.exe	92
PID 4952 wrote to memory of 4064	4952	cmd.exe	93
PID 4952 wrote to memory of 4064	4952	cmd.exe	93
PID 4952 wrote to memory of 4064	4952	cmd.exe	93
PID 1512 wrote to memory of 1456	1512	typhon.exe	94
PID 1512 wrote to memory of 1456	1512	typhon.exe	94
PID 1512 wrote to memory of 1456	1512	typhon.exe	94
PID 1456 wrote to memory of 2756	1456	cmd.exe	96
PID 1456 wrote to memory of 2756	1456	cmd.exe	96
PID 1456 wrote to memory of 2756	1456	cmd.exe	96
PID 1456 wrote to memory of 4644	1456	cmd.exe	97
PID 1456 wrote to memory of 4644	1456	cmd.exe	97
PID 1456 wrote to memory of 4644	1456	cmd.exe	97
PID 1512 wrote to memory of 4268	1512	typhon.exe	99
PID 1512 wrote to memory of 4268	1512	typhon.exe	99
PID 1512 wrote to memory of 4268	1512	typhon.exe	99
PID 4268 wrote to memory of 4224	4268	cmd.exe	101
PID 4268 wrote to memory of 4224	4268	cmd.exe	101
PID 4268 wrote to memory of 4224	4268	cmd.exe	101
PID 4268 wrote to memory of 2884	4268	cmd.exe	102
PID 4268 wrote to memory of 2884	4268	cmd.exe	102
PID 4268 wrote to memory of 2884	4268	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:1512
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4952
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:2176
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:1644
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:4064
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1456
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:2756
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:4644
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\tmpE75E.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\typhon.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4268
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 1512
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4224
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:2884

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
07f358a0e9f5bf124c740cdf5eb47aa6

SHA1
a4c412e1002ea3d2d0c4349ee96158f78ba98c0b

SHA256
3801783ec150396f4812c4915f9a7e827c95772a5c7183a4b8296199bcf66782

SHA512
c662bc0de7882dbfdfe7c8fb3153b0d85eb7d91a91b21244d9adf337fca28fdb986af79796a67872994704fa3d3f0c3068f4a5108d0f9bb60fdbc44052a6f7de

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE75E.tmp.bat

Filesize
101B

MD5
1b251e212922c555f85041202b5a4173

SHA1
31da9af70cc2c9c174f305fc32c0e9d2acb13f7a

SHA256
1770bddcd1a28ded6a2225acaf6870042d331b55145c05057d9359d62e3d02d7

SHA512
649ec8892b260f25f27c23a0b83ca59a66890f81b94e63385028a76520a0ad6cd622e2c7aee0bfc5caf7f8efda6d6c9b262dd56991793754d178baab6e7e3e2e

Download Submit
memory/1512-133-0x00000000007E0000-0x0000000000A32000-memory.dmp

Filesize
2.3MB

Download
memory/1512-134-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/1512-135-0x0000000005E70000-0x0000000005F02000-memory.dmp

Filesize
584KB

Download
memory/1512-136-0x0000000005F10000-0x0000000005F76000-memory.dmp

Filesize
408KB

Download
memory/1512-137-0x0000000006630000-0x0000000006BD4000-memory.dmp

Filesize
5.6MB

Download
memory/1512-164-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/1512-251-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/1512-252-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download