a5fb0b95bc934c2df655cd84502457a0e929edf7ea0f4a89f0644795c65ee71c

Analysis

max time kernel
1791s
max time network
1161s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
23-04-2024 13:14

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General

Target

Untitled document (1).pdf
Size

16KB
MD5

44d0bdac5de4b1bced3f146954495882
SHA1

8a43d8ed0ee1f034f9509fed5cee760825d2402e
SHA256

a5fb0b95bc934c2df655cd84502457a0e929edf7ea0f4a89f0644795c65ee71c
SHA512

fc67e914101383ecb3ffa99429fae51db0eb4442c499899be0c6bf3f78f127f056d5d1f2036cc555f3458fcbb1169fb9e9815f79b1ad6ba30e8c4a6441af7a05
SSDEEP

384:WgpTKZe2ABOaTFWDG1K7QLoa5XAjE6T1Kg8wRrAuZPtN22pS1DXlpZzoUi:WgpTiNABfTuSnFAjESP8irlZPtNdAHZy

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeManageVolumePrivilege	4036	svchost.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4664	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe
4664	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 4832	4664	AcroRd32.exe	92
PID 4664 wrote to memory of 4832	4664	AcroRd32.exe	92
PID 4664 wrote to memory of 4832	4664	AcroRd32.exe	92
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 556	4832	RdrCEF.exe	93
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94
PID 4832 wrote to memory of 4400	4832	RdrCEF.exe	94

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Untitled document (1).pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4832
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=02EF3863A3857EBB86B35A2D6841E75C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:556
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=49A8C01821C66A7FAC120E7A093B6371 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=49A8C01821C66A7FAC120E7A093B6371 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4400
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=F859A2CF5A48D83BA5EDD322BB0EF6B2 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4440
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=E2EEA004EE846BC807F5B93229A28918 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=35239407C3930E21D1DA682FFA7E34D9 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=35239407C3930E21D1DA682FFA7E34D9 --renderer-client-id=6 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3396
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=1E4CE9E5343CB7BCD1FB09EDE83F63C6 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3880

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:2356

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
259e7664d15c303a0eb50fac0ca88142

SHA1
54db369fb980fadc7a226066413d2279034b17ff

SHA256
f484e4ebb4934d5a56c0f0b5e3e8207316a1c9c9bf8231f4dde822da578cbcd8

SHA512
f5690a29f4bc2193b009b4ff295d81ad38eb70aaa7dd5d4ff6e1fefe8dc36623bcdda174495929065241ee2ec1554e78dab55afc3fa75baf741331badcf479c1

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4036-350-0x00000146DC140000-0x00000146DC150000-memory.dmp

Filesize
64KB

Download
memory/4036-366-0x00000146DC240000-0x00000146DC250000-memory.dmp

Filesize
64KB

Download
memory/4036-382-0x00000146E4580000-0x00000146E4581000-memory.dmp

Filesize
4KB

Download
memory/4036-384-0x00000146E45B0000-0x00000146E45B1000-memory.dmp

Filesize
4KB

Download
memory/4036-385-0x00000146E45B0000-0x00000146E45B1000-memory.dmp

Filesize
4KB

Download
memory/4036-386-0x00000146E46C0000-0x00000146E46C1000-memory.dmp

Filesize
4KB

Download