umbral | 7e45b79940116f8a1de3a75f82e5209d0279d99479a24778e1590dd739b6ddf8

Analysis

max time kernel
30s
max time network
28s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11-07-2024 16:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

dead.exe
Size

254KB
MD5

41a555bbc081356100cafdd006d3c096
SHA1

bf4f81ed8b698b9865098fccabff0bbbe3ca3255
SHA256

7e45b79940116f8a1de3a75f82e5209d0279d99479a24778e1590dd739b6ddf8
SHA512

1bc00d609264c523ab114e845a26edb9a611b927a583730880916f04efeee9c37c4529559a47854e422ab8530ab8edbb87754a755f50939c29e5a14e4b74efbc
SSDEEP

6144:+4oZo8KbOUtoAXAEeDh0x7axHU3FmRaW8ejI82V:9oZAOUo90ufIl

Score

10^/10

umbral stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/116-0-0x000001EB38960000-0x000001EB389A6000-memory.dmp	family_umbral

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133651892687118312"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3156	chrome.exe
3156	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3156	chrome.exe
Token: SeCreatePagefilePrivilege	3156	chrome.exe
Token: SeShutdownPrivilege	3156	chrome.exe
Token: SeCreatePagefilePrivilege	3156	chrome.exe
Token: SeShutdownPrivilege	3156	chrome.exe
Token: SeCreatePagefilePrivilege	3156	chrome.exe
Token: SeShutdownPrivilege	3156	chrome.exe
Token: SeCreatePagefilePrivilege	3156	chrome.exe
Token: SeShutdownPrivilege	3156	chrome.exe
Token: SeCreatePagefilePrivilege	3156	chrome.exe
Token: SeShutdownPrivilege	3156	chrome.exe
Token: SeCreatePagefilePrivilege	3156	chrome.exe
Token: SeShutdownPrivilege	3156	chrome.exe
Token: SeCreatePagefilePrivilege	3156	chrome.exe
Token: SeShutdownPrivilege	3156	chrome.exe
Token: SeCreatePagefilePrivilege	3156	chrome.exe
Token: SeShutdownPrivilege	3156	chrome.exe
Token: SeCreatePagefilePrivilege	3156	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe
3156	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 4820	3156	chrome.exe	92
PID 3156 wrote to memory of 4820	3156	chrome.exe	92
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 1284	3156	chrome.exe	93
PID 3156 wrote to memory of 2092	3156	chrome.exe	94
PID 3156 wrote to memory of 2092	3156	chrome.exe	94
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95
PID 3156 wrote to memory of 4068	3156	chrome.exe	95

C:\Users\Admin\AppData\Local\Temp\dead.exe
"C:\Users\Admin\AppData\Local\Temp\dead.exe"
1⤵
PID:116

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0x118,0x11c,0x120,0xf4,0x124,0x7ff9348dcc40,0x7ff9348dcc4c,0x7ff9348dcc58
  2⤵
  PID:4820
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1824,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=1812 /prefetch:2
  2⤵
  PID:1284
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=2184,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=2216 /prefetch:3
  2⤵
  PID:2092
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2280,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=2468 /prefetch:8
  2⤵
  PID:4068
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3200,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3208 /prefetch:1
  2⤵
  PID:1796
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3304,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3460 /prefetch:1
  2⤵
  PID:1176
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4612,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3700 /prefetch:1
  2⤵
  PID:1672
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4896,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=4912 /prefetch:8
  2⤵
  PID:2860
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4944,i,17917095049384822682,2577742488956002271,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=4912 /prefetch:8
  2⤵
  PID:2504

C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe"
1⤵
PID:540

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
memory/116-0-0x000001EB38960000-0x000001EB389A6000-memory.dmp

Filesize
280KB

Download
memory/116-1-0x00007FF943470000-0x00007FF943665000-memory.dmp

Filesize
2.0MB

Download
memory/116-2-0x00007FF943470000-0x00007FF943665000-memory.dmp

Filesize
2.0MB

Download
memory/116-3-0x00007FF943470000-0x00007FF943665000-memory.dmp

Filesize
2.0MB

Download