5b1a883fc342ab1654912c119190f04771ae47477f1a006b932150129675134c

Analysis

max time kernel
69s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:09

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General

Target

39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe
Size

14.7MB
MD5

f411bf0b4e3c18f0d6edc644675648e7
SHA1

fb22d798adad0963213d54ce2ccc754f02c858ce
SHA256

39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f
SHA512

bafdf8b0cbb11129164343e793c3b166969ec518db334e9d1bec41fc1e6c00157718f8cfd0277bb9ea1eb5c6272e92435abd38eb43daedbf01ef125e351c1327
SSDEEP

393216:eEUqNdLdxrHIQPWIlMqrSEIlg2k4m1IOGJHenckwnRBqn/HBIX:7U6dLdxrHIQuIyHVdSIzJHenfwCvB0

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1916	powershell.exe

Deletes itself 1 IoCs

pid	Process
2980	cmd.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SeedPhrase Converter.exe.lnk	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe

Executes dropped EXE 1 IoCs

pid	Process
3000	SeedPhrase Converter.exe

Loads dropped DLL 1 IoCs

pid	Process
2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SeedPhrase Converter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3052	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2804	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3000	SeedPhrase Converter.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1916	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe
Token: SeDebugPrivilege	1916	powershell.exe
Token: SeDebugPrivilege	3000	SeedPhrase Converter.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 1916	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	29
PID 2560 wrote to memory of 1916	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	29
PID 2560 wrote to memory of 1916	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	29
PID 2560 wrote to memory of 1916	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	29
PID 2560 wrote to memory of 2804	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	30
PID 2560 wrote to memory of 2804	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	30
PID 2560 wrote to memory of 2804	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	30
PID 2560 wrote to memory of 2804	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	30
PID 2560 wrote to memory of 3000	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	33
PID 2560 wrote to memory of 3000	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	33
PID 2560 wrote to memory of 3000	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	33
PID 2560 wrote to memory of 3000	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	33
PID 2560 wrote to memory of 2980	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	34
PID 2560 wrote to memory of 2980	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	34
PID 2560 wrote to memory of 2980	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	34
PID 2560 wrote to memory of 2980	2560	39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe	34
PID 2980 wrote to memory of 3052	2980	cmd.exe	36
PID 2980 wrote to memory of 3052	2980	cmd.exe	36
PID 2980 wrote to memory of 3052	2980	cmd.exe	36
PID 2980 wrote to memory of 3052	2980	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe
"C:\Users\Admin\AppData\Local\Temp\39a387cb5e2530237c32fac8504faed4b43ca4929459af88a9362697f2f9172f.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Conventer.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1916
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /tn Conventer /tr "C:\Users\Admin\AppData\Local\Temp\Conventer.exe\SeedPhrase Converter.exe" /st 06:19 /du 23:59 /sc daily /ri 1 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2804
- C:\Users\Admin\AppData\Local\Temp\Conventer.exe\SeedPhrase Converter.exe
  "C:\Users\Admin\AppData\Local\Temp\Conventer.exe\SeedPhrase Converter.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  PID:3000
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp8F6.tmp.cmd""
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\timeout.exe
    timeout 6
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8F6.tmp.cmd

Filesize
215B

MD5
12a3028961ed3b7b860c0cba94954010

SHA1
df6d18e2964e551086fc8da65686bec9cc667c91

SHA256
ec1a7dbd601e343b561d19959758126e34881bf348c42eade74602a5c5cc06ae

SHA512
1aca61977240f6586eedb92c40011c0ce2eceb5d48d4961ecfca5e20f36310401057e63250ace8c6195ca110bd2438619d8e3234399cb404ae656035c30459e0

Download Submit
\Users\Admin\AppData\Local\Temp\Conventer.exe\SeedPhrase Converter.exe

Filesize
15.3MB

MD5
240ee46f532ad8cc5e5a99d4277bdd93

SHA1
3ec7a73e90832d9bdbadc306a9c5a4efc2b2b674

SHA256
c7aacffd8f82419761a4ae701237f9832629442eca7449af8be8c0e7d6356e8d

SHA512
9fe9b4d4c9a1f1b3344c34b2d04bd5bdb16f268debdece19a784f6394ef9eff7c095f86da3e69038e8068dae4a53d79d487dcd9bd6769dafc634962a9a69d866

Download Submit
memory/2560-0-0x00000000743AE000-0x00000000743AF000-memory.dmp

Filesize
4KB

Download
memory/2560-1-0x0000000000890000-0x00000000008AC000-memory.dmp

Filesize
112KB

Download
memory/3000-21-0x0000000000F10000-0x0000000000F2C000-memory.dmp

Filesize
112KB

Download