d50c09b73439c9730f2cb224f900b0de3be7a6b659614fe6569b80d4c68970ad

Analysis

max time kernel
253s
max time network
207s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
21-04-2024 01:33

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General

Target

undtct.dll
Size

1015KB
MD5

3e9e02ce2b577d62b35c34aa6ec027e2
SHA1

9c464e6edc2e6a4bc17d28a68d5217a134b8f368
SHA256

2c81fcf3f79f98c78963da78d234dcf6dd36c9503438121d384b39edb0ca272b
SHA512

7eb9a3580ce664e78ccf89130581de6e5e816337f4953b192038baafd7ad163a096250aa2f93f4dab68dfec0e25987845777f70d37afd37bab73e793e680f68c
SSDEEP

12288:Cab/0Xn458xRrPzrUBHK5fhgxFmXEP2f7K46TnSEl1yt6zzng0LNU5w37A6Dv:ClXn458xRrPztgxoGRNU5w37J

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chrome.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

chrome.exe

pid process

3944 chrome.exe
3944 chrome.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

Processes:

chrome.exe

pid process

3944 chrome.exe
3944 chrome.exe
3944 chrome.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

chrome.exe

description	pid	process
Token: SeShutdownPrivilege	3944	chrome.exe
Token: SeCreatePagefilePrivilege	3944	chrome.exe
Token: SeShutdownPrivilege	3944	chrome.exe
Token: SeCreatePagefilePrivilege	3944	chrome.exe
Token: SeShutdownPrivilege	3944	chrome.exe
Token: SeCreatePagefilePrivilege	3944	chrome.exe

Suspicious use of FindShellTrayWindow 27 IoCs

Processes:

chrome.exe

pid	process
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

Processes:

chrome.exe

pid	process
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe
3944	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

rundll32.exechrome.exe

description	pid	process	target process
PID 2724 wrote to memory of 4932	2724	rundll32.exe	rundll32.exe
PID 2724 wrote to memory of 4932	2724	rundll32.exe	rundll32.exe
PID 2724 wrote to memory of 4932	2724	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 4336	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4336	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 4108	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 2372	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 2372	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe
PID 3944 wrote to memory of 3364	3944	chrome.exe	chrome.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\undtct.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\undtct.dll,#1
  2⤵
  PID:4932

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 behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3944
- 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=110.0.5481.104 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff8f601ab58,0x7ff8f601ab68,0x7ff8f601ab78
  2⤵
  PID:4336
- 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=1652 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:2
  2⤵
  PID:4108
- 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=2188 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
  2⤵
  PID:2372
- 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 --mojo-platform-channel-handle=2240 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
  2⤵
  PID:3364
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3024 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:1
  2⤵
  PID:2548
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3056 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:1
  2⤵
  PID:4740
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4000 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:1
  2⤵
  PID:2656
- 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=4152 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
  2⤵
  PID:3056
- 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=4520 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
  2⤵
  PID:3048
- 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=4672 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
  2⤵
  PID:4008
- 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=4668 --field-trial-handle=1848,i,5962206645094530429,16871773963435801060,131072 /prefetch:8
  2⤵
  PID:640

C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
1⤵
PID:3592

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

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

Filesize
1KB

MD5
75a80c1945fe70149c4ee2dee64781c6

SHA1
73803cf3e492c25aafda1eb8e4ac2a2e23915d9f

SHA256
3032be4cff621276dafcd12fcdcfddee71ceea733bacd1afecbc23208ee4a6f4

SHA512
2a054b74d2cf506a6c5df3265b5a010bb4aa148a7991d9461435aefb14c196cd07900bfc0e1140f827eac75452699fec231f42643930508a0b69bb87f4b01b51

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

Filesize
356B

MD5
ede82245774a0f4566b50af0668965eb

SHA1
36a1219e95989bd5ed541ed88db9923a198c429f

SHA256
3542591313d0e10a45761ba82b7d1cf0005e190d435f6e52ec631a8b56f0e044

SHA512
0dcccb8a6d16f89e7cc09a5be228cd541310ee553cdf14602a4d3b33bce11a84c17ac86e480fa8ebba84785d7a29c44ed1c5bcc3a120c50515c338d9354cb20f

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

Filesize
6KB

MD5
33fd8a5a29373585f6751a4d6ebcb2ed

SHA1
14768c73af4ee75728e1233a1db197443afed1f6

SHA256
ba147d9a4ac8fff48306cc6607d689edff94a0a4bd7c8f820e9f299e3f0d19f2

SHA512
4558cba8188601129a895c9e2c6e28ab58b2e1da5cb40476cd3bb1edf9daa0ebd0b92bc6840769fffd40ddb001a993290d6096b615bd2451ea2a9957435c2c50

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

Filesize
250KB

MD5
ab2c7829d15979a59cfa7c1f0a968a36

SHA1
33fce712b75b4e52b543d4aaf639000c0093e36a

SHA256
1933de06a6f2c567e9c7cc46b665ff3c3f940b3a8241b21b32cf9134f6c8e120

SHA512
9d81f58c77e91193e03518019124a97937f1758bc547c428dc4dfed994c089630715bd58b999e8d26034a854d4ecc4d43b3a5c4ab3eda6066004ae0475a2239f

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
\??\pipe\crashpad_3944_RZEMPOCPYLWLAQDH

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit