927f1849bc6c9d37b079aa9b68e6200b395690dab983d6c8a25a79368dba48e7

Analysis

max time kernel
156s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2024 23:29

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General

Target

3e25a00ba9b3f06e55e83f75efb1e0b6.pdf
Size

90KB
MD5

3e25a00ba9b3f06e55e83f75efb1e0b6
SHA1

a504ecfb8c1503db4d5581644734676761f6afd9
SHA256

927f1849bc6c9d37b079aa9b68e6200b395690dab983d6c8a25a79368dba48e7
SHA512

b06541a323aee7a042faedadd8d37132666c7ec6bb39ae81d04778b8a3339caa89f27bcb9b78bcb13cbdf0ed4d37c92880167899fef1c1cd93bfe62aa09f8ae3
SSDEEP

1536:WatX+n4UVtwKVbaSZ6LKB6VhzQvNiKSmez0prWRw72HWUpO7zQc:N+jXwKVbaSQKGQF4meUG6267H

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4924	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 2664	4924	AcroRd32.exe	91
PID 4924 wrote to memory of 2664	4924	AcroRd32.exe	91
PID 4924 wrote to memory of 2664	4924	AcroRd32.exe	91
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 3020	2664	RdrCEF.exe	94
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95
PID 2664 wrote to memory of 4768	2664	RdrCEF.exe	95

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\3e25a00ba9b3f06e55e83f75efb1e0b6.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:4924
- 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:2664
- - 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=459BBB2D2C4452EA3A3EECF388E06540 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3020
- - 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=FCA932E449E60D9855468028098ECFE3 --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=FCA932E449E60D9855468028098ECFE3 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4768
- - 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=EFCFC09D9CBC358632EA9DC13CDDCBF1 --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=EFCFC09D9CBC358632EA9DC13CDDCBF1 --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1992
- - 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=AC9A28AE10AE20103B94D5F3FE232DCC --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3204
- - 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=3C740848D97E1E3F6EB739EFC4B5C449 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1336
- - 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=681F4A2E7EAC9DA5C94CF49599D40473 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4120

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

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Downloads

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

Filesize
64KB

MD5
5b86858780a0751ded42a5fe6c204964

SHA1
db48e7d0a1a78a383a77df7183f234fac3ab6011

SHA256
4d70ae74c6f1bfe3df8f8e84b80fe1301a0781d30c3e03c6d87f42c28b3b978d

SHA512
29243cd250f7204f28b3f287402e0783ac59bee94fbffe40e47ada4dc6b519c256bb99f4aafd4fe16002909487a2ea8dc289acc70fb39b0baf150ebc167a240b

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