typhon | b942051bc7005005adb60a5dae192214608a85ce473506ccaae10c3d23f851bc

Analysis

max time kernel
93s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
21/04/2023, 13:36

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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/4808-133-0x0000000000350000-0x00000000005A2000-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-1-5-21-2805025096-2326403612-4231045514-1000\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
25	api.ipify.org
57	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
4216	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2068	taskkill.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe
4808	typhon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4808	typhon.exe
Token: SeDebugPrivilege	2068	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 4696	4808	typhon.exe	85
PID 4808 wrote to memory of 4696	4808	typhon.exe	85
PID 4808 wrote to memory of 4696	4808	typhon.exe	85
PID 4696 wrote to memory of 1040	4696	cmd.exe	87
PID 4696 wrote to memory of 1040	4696	cmd.exe	87
PID 4696 wrote to memory of 1040	4696	cmd.exe	87
PID 4696 wrote to memory of 1488	4696	cmd.exe	88
PID 4696 wrote to memory of 1488	4696	cmd.exe	88
PID 4696 wrote to memory of 1488	4696	cmd.exe	88
PID 4696 wrote to memory of 5008	4696	cmd.exe	89
PID 4696 wrote to memory of 5008	4696	cmd.exe	89
PID 4696 wrote to memory of 5008	4696	cmd.exe	89
PID 4808 wrote to memory of 1852	4808	typhon.exe	90
PID 4808 wrote to memory of 1852	4808	typhon.exe	90
PID 4808 wrote to memory of 1852	4808	typhon.exe	90
PID 1852 wrote to memory of 3456	1852	cmd.exe	92
PID 1852 wrote to memory of 3456	1852	cmd.exe	92
PID 1852 wrote to memory of 3456	1852	cmd.exe	92
PID 1852 wrote to memory of 2216	1852	cmd.exe	93
PID 1852 wrote to memory of 2216	1852	cmd.exe	93
PID 1852 wrote to memory of 2216	1852	cmd.exe	93
PID 4808 wrote to memory of 4584	4808	typhon.exe	94
PID 4808 wrote to memory of 4584	4808	typhon.exe	94
PID 4808 wrote to memory of 4584	4808	typhon.exe	94
PID 4584 wrote to memory of 2068	4584	cmd.exe	96
PID 4584 wrote to memory of 2068	4584	cmd.exe	96
PID 4584 wrote to memory of 2068	4584	cmd.exe	96
PID 4584 wrote to memory of 4216	4584	cmd.exe	97
PID 4584 wrote to memory of 4216	4584	cmd.exe	97
PID 4584 wrote to memory of 4216	4584	cmd.exe	97

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:4808
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4696
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:1040
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:1488
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:5008
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1852
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:3456
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:2216
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\tmpC3D4.tmp.bat & Del C:\Users\Admin\AppData\Local\Temp\typhon.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4584
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 4808
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2068
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:4216

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
809deca9aa3802999fae73f98e06b829

SHA1
352c970938531277b74a1c6432d258d4fd365a99

SHA256
3a76d166765c626ca53a1db139dd80c15bc86a8723a2a8b538d4756ce79e97ea

SHA512
12a43d6b3f08b2894951cf5741bcf23bdd7de13d1bd634abfcf6dfda16389e39d11d5ebeba72d4108f52b29b28100ef66ac81677bdd33f80424c0ebda0d60fd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC3D4.tmp.bat

Filesize
101B

MD5
1f1217a47eb4047cad9c23027de128d4

SHA1
e8cc1f2f83efaab95195c23a3eadd66566c662b7

SHA256
8c23c5a9fd202afd88fb7ea874ca69b3a167c09c0f371b4a0dc89e5aacd01ad3

SHA512
4148fc5d459e9a2e608d354e2c0c7e200a29568f650ccce3c41fe0ce58673c14a8b11f960a074d833ea2a59b55e8c779d0b8b2df5b9c513336ed940d152cd3a9

Download Submit
memory/4808-133-0x0000000000350000-0x00000000005A2000-memory.dmp

Filesize
2.3MB

Download
memory/4808-134-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/4808-135-0x00000000059E0000-0x0000000005A72000-memory.dmp

Filesize
584KB

Download
memory/4808-136-0x0000000005A80000-0x0000000005AE6000-memory.dmp

Filesize
408KB

Download
memory/4808-137-0x00000000061A0000-0x0000000006744000-memory.dmp

Filesize
5.6MB

Download
memory/4808-139-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/4808-244-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/4808-245-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download