umbral | d223ace00adcf9996234b0e5f85b14ca273ead2c01672f7abc8469cfeacf1408

Analysis

max time kernel
49s
max time network
49s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03-02-2024 02:18

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General

Target

HavocV2.exe
Size

395KB
MD5

bbd057262f45309b69aac1969de8905d
SHA1

be351afb488c78f984213d8b8fceb0792c00414a
SHA256

d223ace00adcf9996234b0e5f85b14ca273ead2c01672f7abc8469cfeacf1408
SHA512

caf0791490f568c2ac5b2242a638a8ff557916d390470b5e04acd6c3bd49a3a69be3ae015a2eb4f10624f8cbd54b99c539011da820ef949ad17b1db88e46b12d
SSDEEP

6144:7loZM+rIkd8g+EtXHkv/iD4LD/xEKtFuHr20VJgU0b8e1m/lm4iUG:ZoZtL+EP8LD/xEKtFuHr20VJghzBh

Score

10^/10

umbral stealer

Malware Config

Signatures

Detect Umbral payload 2 IoCs

resource	yara_rule
behavioral1/memory/1572-0-0x0000000000A60000-0x0000000000AC8000-memory.dmp	family_umbral
behavioral1/memory/1572-2-0x000000001B240000-0x000000001B2C0000-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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
828	chrome.exe
828	chrome.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

description	pid	Process
Token: SeDebugPrivilege	1572	HavocV2.exe
Token: SeIncreaseQuotaPrivilege	2788	wmic.exe
Token: SeSecurityPrivilege	2788	wmic.exe
Token: SeTakeOwnershipPrivilege	2788	wmic.exe
Token: SeLoadDriverPrivilege	2788	wmic.exe
Token: SeSystemProfilePrivilege	2788	wmic.exe
Token: SeSystemtimePrivilege	2788	wmic.exe
Token: SeProfSingleProcessPrivilege	2788	wmic.exe
Token: SeIncBasePriorityPrivilege	2788	wmic.exe
Token: SeCreatePagefilePrivilege	2788	wmic.exe
Token: SeBackupPrivilege	2788	wmic.exe
Token: SeRestorePrivilege	2788	wmic.exe
Token: SeShutdownPrivilege	2788	wmic.exe
Token: SeDebugPrivilege	2788	wmic.exe
Token: SeSystemEnvironmentPrivilege	2788	wmic.exe
Token: SeRemoteShutdownPrivilege	2788	wmic.exe
Token: SeUndockPrivilege	2788	wmic.exe
Token: SeManageVolumePrivilege	2788	wmic.exe
Token: 33	2788	wmic.exe
Token: 34	2788	wmic.exe
Token: 35	2788	wmic.exe
Token: SeIncreaseQuotaPrivilege	2788	wmic.exe
Token: SeSecurityPrivilege	2788	wmic.exe
Token: SeTakeOwnershipPrivilege	2788	wmic.exe
Token: SeLoadDriverPrivilege	2788	wmic.exe
Token: SeSystemProfilePrivilege	2788	wmic.exe
Token: SeSystemtimePrivilege	2788	wmic.exe
Token: SeProfSingleProcessPrivilege	2788	wmic.exe
Token: SeIncBasePriorityPrivilege	2788	wmic.exe
Token: SeCreatePagefilePrivilege	2788	wmic.exe
Token: SeBackupPrivilege	2788	wmic.exe
Token: SeRestorePrivilege	2788	wmic.exe
Token: SeShutdownPrivilege	2788	wmic.exe
Token: SeDebugPrivilege	2788	wmic.exe
Token: SeSystemEnvironmentPrivilege	2788	wmic.exe
Token: SeRemoteShutdownPrivilege	2788	wmic.exe
Token: SeUndockPrivilege	2788	wmic.exe
Token: SeManageVolumePrivilege	2788	wmic.exe
Token: 33	2788	wmic.exe
Token: 34	2788	wmic.exe
Token: 35	2788	wmic.exe
Token: SeShutdownPrivilege	828	chrome.exe
Token: SeShutdownPrivilege	828	chrome.exe
Token: SeShutdownPrivilege	828	chrome.exe
Token: SeShutdownPrivilege	828	chrome.exe
Token: SeShutdownPrivilege	828	chrome.exe
Token: SeShutdownPrivilege	828	chrome.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe
828	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 2788	1572	HavocV2.exe	28
PID 1572 wrote to memory of 2788	1572	HavocV2.exe	28
PID 1572 wrote to memory of 2788	1572	HavocV2.exe	28
PID 828 wrote to memory of 1968	828	chrome.exe	34
PID 828 wrote to memory of 1968	828	chrome.exe	34
PID 828 wrote to memory of 1968	828	chrome.exe	34
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 1980	828	chrome.exe	35
PID 828 wrote to memory of 2728	828	chrome.exe	36
PID 828 wrote to memory of 2728	828	chrome.exe	36
PID 828 wrote to memory of 2728	828	chrome.exe	36
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37
PID 828 wrote to memory of 3060	828	chrome.exe	37

C:\Users\Admin\AppData\Local\Temp\HavocV2.exe
"C:\Users\Admin\AppData\Local\Temp\HavocV2.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2788

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:828
- 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,0x7fef77e9758,0x7fef77e9768,0x7fef77e9778
  2⤵
  PID:1968
- 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=1128 --field-trial-handle=1288,i,17780642312584138634,9044414795941814925,131072 /prefetch:2
  2⤵
  PID:1980
- 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=1288,i,17780642312584138634,9044414795941814925,131072 /prefetch:8
  2⤵
  PID:2728
- 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=1592 --field-trial-handle=1288,i,17780642312584138634,9044414795941814925,131072 /prefetch:8
  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 --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=2120 --field-trial-handle=1288,i,17780642312584138634,9044414795941814925,131072 /prefetch:1
  2⤵
  PID:1596
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2128 --field-trial-handle=1288,i,17780642312584138634,9044414795941814925,131072 /prefetch:1
  2⤵
  PID:348
- 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=996 --field-trial-handle=1288,i,17780642312584138634,9044414795941814925,131072 /prefetch:2
  2⤵
  PID:1392
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2828 --field-trial-handle=1288,i,17780642312584138634,9044414795941814925,131072 /prefetch:1
  2⤵
  PID:1180
- 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=3140 --field-trial-handle=1288,i,17780642312584138634,9044414795941814925,131072 /prefetch:8
  2⤵
  PID:1284
- 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=3608 --field-trial-handle=1288,i,17780642312584138634,9044414795941814925,131072 /prefetch:8
  2⤵
  PID:1528

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:2292

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

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Downloads

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

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ff6775fa-78a2-4dc9-94c4-5e09df1a67b7.tmp

Filesize
232KB

MD5
81547238c6044005a336b0fa4da1f0cf

SHA1
94f590e3f155045a1e7e947166a82f1dae406604

SHA256
3cd3541631150d3f8aef81ae65df136c9230fd7af18169f7737feb152f140a8a

SHA512
324099d1e29d2d13b473dc4dcbd8918229a0287c9259b5e62e68fecb3de5f55dcb1cf6f35a27d68386ddeca5725428f12c0265c497c5da40e725602db76eabc3

Download Submit
memory/1572-0-0x0000000000A60000-0x0000000000AC8000-memory.dmp

Filesize
416KB

Download
memory/1572-1-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

Filesize
9.9MB

Download
memory/1572-2-0x000000001B240000-0x000000001B2C0000-memory.dmp

Filesize
512KB

Download
memory/1572-3-0x000007FEF5C20000-0x000007FEF660C000-memory.dmp

Filesize
9.9MB

Download