umbral | ebdb426e69d0c9f964fe2180372dbb24556588c8dfb37e6cb0d5f7ea5ba0c087

Analysis

max time kernel
26s
max time network
42s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
07/08/2023, 14:21

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General

Target

ManualWin10 (2).exe
Size

227KB
MD5

badc4c0e18209e84ab24fe8cccb5d1c9
SHA1

736fb2619ea2bab1992b6f6f7ac34a7dc315b565
SHA256

ebdb426e69d0c9f964fe2180372dbb24556588c8dfb37e6cb0d5f7ea5ba0c087
SHA512

0cf7d30ce41005e6aede39fff624c75e875fe5c0cf20adcf202a27c5459e437e1ce4dae9f7ecf1a75f8de0913401f390da64d96f2dfddc768bc95c4ee4eabff5
SSDEEP

6144:eloZM+rIkd8g+EtXHkv/iD4UxRPdmkrHMx9YW3X2ZNb8e1mbi:IoZtL+EP8UxRPdmkrHMx9YW3X2nV

Score

10^/10

umbral stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/1948-53-0x0000000000F20000-0x0000000000F60000-memory.dmp	family_umbral

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1068	chrome.exe
1068	chrome.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	ManualWin10 (2).exe
Token: SeIncreaseQuotaPrivilege	2096	wmic.exe
Token: SeSecurityPrivilege	2096	wmic.exe
Token: SeTakeOwnershipPrivilege	2096	wmic.exe
Token: SeLoadDriverPrivilege	2096	wmic.exe
Token: SeSystemProfilePrivilege	2096	wmic.exe
Token: SeSystemtimePrivilege	2096	wmic.exe
Token: SeProfSingleProcessPrivilege	2096	wmic.exe
Token: SeIncBasePriorityPrivilege	2096	wmic.exe
Token: SeCreatePagefilePrivilege	2096	wmic.exe
Token: SeBackupPrivilege	2096	wmic.exe
Token: SeRestorePrivilege	2096	wmic.exe
Token: SeShutdownPrivilege	2096	wmic.exe
Token: SeDebugPrivilege	2096	wmic.exe
Token: SeSystemEnvironmentPrivilege	2096	wmic.exe
Token: SeRemoteShutdownPrivilege	2096	wmic.exe
Token: SeUndockPrivilege	2096	wmic.exe
Token: SeManageVolumePrivilege	2096	wmic.exe
Token: 33	2096	wmic.exe
Token: 34	2096	wmic.exe
Token: 35	2096	wmic.exe
Token: SeIncreaseQuotaPrivilege	2096	wmic.exe
Token: SeSecurityPrivilege	2096	wmic.exe
Token: SeTakeOwnershipPrivilege	2096	wmic.exe
Token: SeLoadDriverPrivilege	2096	wmic.exe
Token: SeSystemProfilePrivilege	2096	wmic.exe
Token: SeSystemtimePrivilege	2096	wmic.exe
Token: SeProfSingleProcessPrivilege	2096	wmic.exe
Token: SeIncBasePriorityPrivilege	2096	wmic.exe
Token: SeCreatePagefilePrivilege	2096	wmic.exe
Token: SeBackupPrivilege	2096	wmic.exe
Token: SeRestorePrivilege	2096	wmic.exe
Token: SeShutdownPrivilege	2096	wmic.exe
Token: SeDebugPrivilege	2096	wmic.exe
Token: SeSystemEnvironmentPrivilege	2096	wmic.exe
Token: SeRemoteShutdownPrivilege	2096	wmic.exe
Token: SeUndockPrivilege	2096	wmic.exe
Token: SeManageVolumePrivilege	2096	wmic.exe
Token: 33	2096	wmic.exe
Token: 34	2096	wmic.exe
Token: 35	2096	wmic.exe
Token: SeShutdownPrivilege	1068	chrome.exe
Token: SeShutdownPrivilege	1068	chrome.exe
Token: SeShutdownPrivilege	1068	chrome.exe
Token: SeShutdownPrivilege	1068	chrome.exe
Token: SeShutdownPrivilege	1068	chrome.exe
Token: SeShutdownPrivilege	1068	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe
1068	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2096	1948	ManualWin10 (2).exe	28
PID 1948 wrote to memory of 2096	1948	ManualWin10 (2).exe	28
PID 1948 wrote to memory of 2096	1948	ManualWin10 (2).exe	28
PID 1068 wrote to memory of 2396	1068	chrome.exe	32
PID 1068 wrote to memory of 2396	1068	chrome.exe	32
PID 1068 wrote to memory of 2396	1068	chrome.exe	32
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2780	1068	chrome.exe	33
PID 1068 wrote to memory of 2812	1068	chrome.exe	34
PID 1068 wrote to memory of 2812	1068	chrome.exe	34
PID 1068 wrote to memory of 2812	1068	chrome.exe	34
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35
PID 1068 wrote to memory of 896	1068	chrome.exe	35

C:\Users\Admin\AppData\Local\Temp\ManualWin10 (2).exe
"C:\Users\Admin\AppData\Local\Temp\ManualWin10 (2).exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2096

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1068
- 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:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef5ee9758,0x7fef5ee9768,0x7fef5ee9778
  2⤵
  PID:2396
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1120 --field-trial-handle=1284,i,13279794526397900288,16521641789659008862,131072 /prefetch:2
  2⤵
  PID:2780
- 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 --mojo-platform-channel-handle=1508 --field-trial-handle=1284,i,13279794526397900288,16521641789659008862,131072 /prefetch:8
  2⤵
  PID:2812
- 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=utility --mojo-platform-channel-handle=1640 --field-trial-handle=1284,i,13279794526397900288,16521641789659008862,131072 /prefetch:8
  2⤵
  PID:896
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2288 --field-trial-handle=1284,i,13279794526397900288,16521641789659008862,131072 /prefetch:1
  2⤵
  PID:3060
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2296 --field-trial-handle=1284,i,13279794526397900288,16521641789659008862,131072 /prefetch:1
  2⤵
  PID:2088
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1324 --field-trial-handle=1284,i,13279794526397900288,16521641789659008862,131072 /prefetch:2
  2⤵
  PID:2832
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1112 --field-trial-handle=1284,i,13279794526397900288,16521641789659008862,131072 /prefetch:1
  2⤵
  PID:2456
- 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 --mojo-platform-channel-handle=3416 --field-trial-handle=1284,i,13279794526397900288,16521641789659008862,131072 /prefetch:8
  2⤵
  PID:2192
- 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 --mojo-platform-channel-handle=3532 --field-trial-handle=1284,i,13279794526397900288,16521641789659008862,131072 /prefetch:8
  2⤵
  PID:1088
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3440 --field-trial-handle=1284,i,13279794526397900288,16521641789659008862,131072 /prefetch:8
  2⤵
  PID:2404

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:1996

Network

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
4KB

MD5
06d20fea2bcd0e07e063504af210a077

SHA1
396f0172685c4c43a41b8704bc4ecc7c0570f36c

SHA256
7ba5c18cbd8c484bb9d7871755e8fb313190814f47572ee6a31756d4655954e8

SHA512
76a541797e695a381537c6a59241acc10ac0417ccad6711310a20909e0f645d1d8e088f205ac30f81f2c1ed1607dd77f3c0f7a127392489e08899f938ed16d46

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
memory/1948-53-0x0000000000F20000-0x0000000000F60000-memory.dmp

Filesize
256KB

Download
memory/1948-54-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/1948-55-0x000000001A7A0000-0x000000001A820000-memory.dmp

Filesize
512KB

Download
memory/1948-56-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download