3d74fb64aede3362a5da9a3905a6903b11d9a2d38af2bcb9f56685f57f217787

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 03:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4f824246f0341da7eb90498fcda9606a.pdf
Size

87KB
MD5

4f824246f0341da7eb90498fcda9606a
SHA1

dce0e5961a26ae521461ce2862c1fd1de4f5cd90
SHA256

3d74fb64aede3362a5da9a3905a6903b11d9a2d38af2bcb9f56685f57f217787
SHA512

561c177abe9eee38fda9103f95ce97c37a0740858b2ec86a59cfab45ec8852095d3c0361dad145b6d1132b65b0df76408bc5fe3e672099b8b06c11a2a00770bb
SSDEEP

1536:mfv1QOA5A9gFOG2oWFMA24PYN27qeLnqvRnwJyX3EAt0xtb8ijgTzPBZ9GS:nA9ZTMYYN27qeGvRniyHEAy8igPBZF

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 1052	4672	AcroRd32.exe	92
PID 4672 wrote to memory of 1052	4672	AcroRd32.exe	92
PID 4672 wrote to memory of 1052	4672	AcroRd32.exe	92
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 4868	1052	RdrCEF.exe	93
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	RdrCEF.exe	94
PID 1052 wrote to memory of 3060	1052	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\4f824246f0341da7eb90498fcda9606a.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:4672
- 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:1052
- - 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=706D046363097E13BAA34EE9008BEAF7 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4868
- - 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=8CC8A7B5C5C95C9285018654A0096386 --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=8CC8A7B5C5C95C9285018654A0096386 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3060
- - 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=90ABE8FC2912877D7965A84D415C1A50 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4964
- - 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=14B712182CEECC4B28DFE6D72DCE0095 --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=14B712182CEECC4B28DFE6D72DCE0095 --renderer-client-id=5 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4752
- - 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=93FC000ADB56F1851AE9D75227BE12CE --mojo-platform-channel-handle=2644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2508
- - 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=C5318B812EAC4C7E5623205024F6AE17 --mojo-platform-channel-handle=2024 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2284

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2812

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
c715271e8769e46bbbf986151c99ce4e

SHA1
6adedb28eaeba93ae695116bec965019688fd1e0

SHA256
373089ce25b97386076b6cec013df58411208c53e5ca918caa3f4d3ca752fc68

SHA512
78fcc340809f8a0dda330e8a66840b0eb6d57e421bcbb1d50b4e9ab6cf35c28d281c19e10ec0084b3c2e487c9f2a8348a5cede2c85870e9910b8dabe8b409f16

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