96bac43faac2b1fa5e0bc495975b2e642af5da181e313a9c8f541912b83c0edb

Analysis

max time kernel
130s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
19-05-2024 16:44

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General

Target

$PLUGINSDIR/UAC.dll
Size

14KB
MD5

adb29e6b186daa765dc750128649b63d
SHA1

160cbdc4cb0ac2c142d361df138c537aa7e708c9
SHA256

2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
SHA512

b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada
SSDEEP

192:DiF6v2imI36Op/tGZGfWxdyWHD0I53vLl7WVl8e04IpDlPjs:DGVY6ClGoWxXH75T1WVl83lLs

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1160	888	WerFault.exe	86

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	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2756	msedge.exe
2756	msedge.exe
4860	msedge.exe
4860	msedge.exe
3696	identity_helper.exe
3696	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe
4860	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 888	3224	rundll32.exe	86
PID 3224 wrote to memory of 888	3224	rundll32.exe	86
PID 3224 wrote to memory of 888	3224	rundll32.exe	86
PID 4860 wrote to memory of 2688	4860	msedge.exe	102
PID 4860 wrote to memory of 2688	4860	msedge.exe	102
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 3596	4860	msedge.exe	103
PID 4860 wrote to memory of 2756	4860	msedge.exe	104
PID 4860 wrote to memory of 2756	4860	msedge.exe	104
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105
PID 4860 wrote to memory of 1304	4860	msedge.exe	105

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3224
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
  2⤵
  PID:888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 888 -s 624
    3⤵
    - Program crash
    PID:1160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 888 -ip 888
1⤵
PID:2480

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ffe4b9a46f8,0x7ffe4b9a4708,0x7ffe4b9a4718
  2⤵
  PID:2688
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2148 /prefetch:2
  2⤵
  PID:3596
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2228 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2756
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2712 /prefetch:8
  2⤵
  PID:1304
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3300 /prefetch:1
  2⤵
  PID:1204
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3316 /prefetch:1
  2⤵
  PID:3224
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4180 /prefetch:1
  2⤵
  PID:684
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4692 /prefetch:1
  2⤵
  PID:404
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4800 /prefetch:8
  2⤵
  PID:2144
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4800 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3696
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3444 /prefetch:1
  2⤵
  PID:4464
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4172 /prefetch:1
  2⤵
  PID:864
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,7029848507317697497,14169251710654972417,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5028 /prefetch:1
  2⤵
  PID:1364

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:336

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2632

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:228

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\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
4f7152bc5a1a715ef481e37d1c791959

SHA1
c8a1ed674c62ae4f45519f90a8cc5a81eff3a6d7

SHA256
704dd4f98d8ca34ec421f23ba1891b178c23c14b3301e4655efc5c02d356c2bc

SHA512
2e6b02ca35d76a655a17a5f3e9dbd8d7517c7dae24f0095c7350eb9e7bdf9e1256a7009aa8878f96c89d1ea4fe5323a41f72b8c551806dda62880d7ff231ff5c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
ea98e583ad99df195d29aa066204ab56

SHA1
f89398664af0179641aa0138b337097b617cb2db

SHA256
a7abb51435909fa2d75c6f2ff5c69a93d4a0ab276ed579e7d8733b2a63ffbee6

SHA512
e109be3466e653e5d310b3e402e1626298b09205d223722a82344dd78504f3c33e1e24e8402a02f38cd2c9c50d96a303ce4846bea5a583423937ab018cd5782f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
180B

MD5
00a455d9d155394bfb4b52258c97c5e5

SHA1
2761d0c955353e1982a588a3df78f2744cfaa9df

SHA256
45a13c77403533b12fbeeeb580e1c32400ca17a32e15caa8c8e6a180ece27fed

SHA512
9553f8553332afbb1b4d5229bbf58aed7a51571ab45cbf01852b36c437811befcbc86f80ec422f222963fa7dabb04b0c9ae72e9d4ff2eeb1e58cde894fbe234f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
7174139dd5e54a3f1b53de3d581333ce

SHA1
692e6df5be14bf48e8a73fb9d93a02ae57968a88

SHA256
eaff680500f99b6515a6a5818c733fddf97e59e63339b8f5e414e455a15108ff

SHA512
7b0e0bd1af8156536184aae9e19060694614e6d217d8462b7e5e168ca2ab195312c57599c4dd902dbc11f7ae5c59a97f72a507224c1c7ec0bbf15e63644e5946

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
1f322256c7e6c675430bb1a8b11e0fd0

SHA1
3103628a06a59b6c6b3535e97cab2afcce40d0b1

SHA256
58842cda266dbe41204cae3991d10f67e3b2e5110a9698da466ca754f192c4f2

SHA512
f04f0c0213d3a462e9331db20a7580adec8b63e97fe8e826de477e8460d89e8a9d65e418733922d2d6948426c9999801e4f2d51512c82f661c71355aa527c161

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
7bc1355e324dbea7e724c4dce98f7d98

SHA1
95ea58be122fcdb781620812923cb4942458cdcb

SHA256
d34c46c6bdf2b3c08f45e3b9b2fcdfae94de0a84f838cbd31d413b92eaa9f0fa

SHA512
3b48186625c145bdafa0b623f39a40866537ca286de7b9e0453178b02128e5d95b86cd963b910ca519e80e05b08c77a25851fb3f33736b91a50424bf10d0b53a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
7d179dd0b791dd429fc719472ac0b771

SHA1
d301e0306a33e9e946e9e4db5e8eff1e5ce4df40

SHA256
58f9b8cc083cc998202ca7ef5a8746c5ed30eeacd5fbf9513eca38de96f5b485

SHA512
b3b5b139ab9928a228d33818ea5622e1887b0e131e38210254c928bd3031645d9a1194db994deeaa165b67310ff158392b9b0ddb7c80cfc36ed390e7f873b08a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
b648abeb16dcb255445c220333d75619

SHA1
705fdca31390ee740657bfc0d5847a5e338ee644

SHA256
c7bf374eb2f7786b6f7250046b48b987511b06422be3e3010a2868d1290872cb

SHA512
50e6758e80402ea0f9b8293e2340044ab6bad1243549416a2841885f5f620a532d137ff4fa05c124ad78a8d4275a1386521ba2915bf5f0a675236293d80819fd

Download Submit