typhon | b942051bc7005005adb60a5dae192214608a85ce473506ccaae10c3d23f851bc

Analysis

max time kernel
61s
max time network
154s
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, 18:03

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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/2600-136-0x0000000000FE0000-0x0000000001232000-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
15	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). 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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	typhon.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	typhon.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4080	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1592	taskkill.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe
2600	typhon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2600	typhon.exe
Token: SeDebugPrivilege	1592	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 4664	2600	typhon.exe	87
PID 2600 wrote to memory of 4664	2600	typhon.exe	87
PID 2600 wrote to memory of 4664	2600	typhon.exe	87
PID 4664 wrote to memory of 4800	4664	cmd.exe	89
PID 4664 wrote to memory of 4800	4664	cmd.exe	89
PID 4664 wrote to memory of 4800	4664	cmd.exe	89
PID 4664 wrote to memory of 4948	4664	cmd.exe	90
PID 4664 wrote to memory of 4948	4664	cmd.exe	90
PID 4664 wrote to memory of 4948	4664	cmd.exe	90
PID 4664 wrote to memory of 3124	4664	cmd.exe	91
PID 4664 wrote to memory of 3124	4664	cmd.exe	91
PID 4664 wrote to memory of 3124	4664	cmd.exe	91
PID 2600 wrote to memory of 4728	2600	typhon.exe	93
PID 2600 wrote to memory of 4728	2600	typhon.exe	93
PID 2600 wrote to memory of 4728	2600	typhon.exe	93
PID 4728 wrote to memory of 3280	4728	cmd.exe	95
PID 4728 wrote to memory of 3280	4728	cmd.exe	95
PID 4728 wrote to memory of 3280	4728	cmd.exe	95
PID 4728 wrote to memory of 4928	4728	cmd.exe	96
PID 4728 wrote to memory of 4928	4728	cmd.exe	96
PID 4728 wrote to memory of 4928	4728	cmd.exe	96
PID 2600 wrote to memory of 2908	2600	typhon.exe	100
PID 2600 wrote to memory of 2908	2600	typhon.exe	100
PID 2600 wrote to memory of 2908	2600	typhon.exe	100
PID 2908 wrote to memory of 1592	2908	cmd.exe	101
PID 2908 wrote to memory of 1592	2908	cmd.exe	101
PID 2908 wrote to memory of 1592	2908	cmd.exe	101
PID 2908 wrote to memory of 4080	2908	cmd.exe	102
PID 2908 wrote to memory of 4080	2908	cmd.exe	102
PID 2908 wrote to memory of 4080	2908	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:2600
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4664
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:4800
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:4948
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:3124
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4728
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:3280
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:4928
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\tmp47B.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\typhon.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 2600
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1592
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4080

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
b2f7f0f6e50a7b9cb6a4ebc30a909254

SHA1
5a2013df88c59248c5dade274b70c9310d16c195

SHA256
2fc5a3979341ef70e7a58c6fedcd092c99323947b91c2a99f22e48d104d7ae03

SHA512
268c75f5540bb698760a1afb840a90feec0fe9fe6f744ff6c23946ee851614dc42e0393f68066b3d8b5e293bc19112c977aee5ae164c02ed66d75cceb2be4505

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp47B.tmp.bat

Filesize
101B

MD5
8c907cc5a4c4911fe6db54eaf1565bdc

SHA1
ac64bbbc52ba69cdb30c64b9af800a7c007ec54c

SHA256
9a977911cafcdaa95189deb570f6288262ec667d24236f734b22c6bc7b3c9b00

SHA512
ccde01cd4c5e7402a716f99d1c51eee2a926467a66bbbbcfd03398d2fac0a58d1a733fe8cc7912f8c30d3bb96c2df30826a60ea41ec0c9131ece8aa472ed528f

Download Submit
memory/2600-136-0x0000000000FE0000-0x0000000001232000-memory.dmp

Filesize
2.3MB

Download
memory/2600-137-0x0000000005D30000-0x0000000005D40000-memory.dmp

Filesize
64KB

Download
memory/2600-138-0x00000000066A0000-0x0000000006732000-memory.dmp

Filesize
584KB

Download
memory/2600-139-0x0000000006740000-0x00000000067A6000-memory.dmp

Filesize
408KB

Download
memory/2600-140-0x0000000006E60000-0x0000000007404000-memory.dmp

Filesize
5.6MB

Download
memory/2600-219-0x0000000005D30000-0x0000000005D40000-memory.dmp

Filesize
64KB

Download
memory/2600-253-0x0000000005D30000-0x0000000005D40000-memory.dmp

Filesize
64KB

Download
memory/2600-254-0x0000000005D30000-0x0000000005D40000-memory.dmp

Filesize
64KB

Download