5d94eae47f965bb34936706854209bed496acb065a8122b8a0e0f77aca2b0680

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 01:59

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General

Target

23a2e4c77ebb7dc83f4c43dc05142903.pdf
Size

87KB
MD5

23a2e4c77ebb7dc83f4c43dc05142903
SHA1

7d3785b87b6a01df5dc4c6a924ba77d50269d17a
SHA256

5d94eae47f965bb34936706854209bed496acb065a8122b8a0e0f77aca2b0680
SHA512

29c28d98d6f9390b32cfa8190aca31b468e1af662f5a8d9721b8c7867666d75592cd4b8b93a4d88c2eca1eb9769927e0059cf065ed55cdbb4a4723117915956c
SSDEEP

1536:1w5UlyI4efyGWtNQRbYkMdIvPtNrud+2PSInnRQLTIWapOtQHWdF2/uL3ZBjnv:9yITmtNQykMKvDrudbKuQ/xtQSYEBb

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 1672	4456	AcroRd32.exe	92
PID 4456 wrote to memory of 1672	4456	AcroRd32.exe	92
PID 4456 wrote to memory of 1672	4456	AcroRd32.exe	92
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4424	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3640	1672	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\23a2e4c77ebb7dc83f4c43dc05142903.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:4456
- 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:1672
- - 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=F609623B1105908193CC024F0C4510B5 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4424
- - 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=5750173194F54E21A7147FB96C3155E6 --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=5750173194F54E21A7147FB96C3155E6 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3640
- - 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=4987403EB717FBB73682F5D8F954EC81 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3560
- - 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=243D459DA5CAF4B2A09715B3EF8ED4FA --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2472
- - 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=9E91211A1146AD570377095D75F3A6CA --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=9E91211A1146AD570377095D75F3A6CA --renderer-client-id=6 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2504
- - 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=0621A26088B16A66FF9712CC7F3E187C --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1848

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4904

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
ef6e0586e5c67d2d7082378cf9bdb6cb

SHA1
ed299b8ddc9c3cd54c6cd2e3ae9c4ecfe8a98922

SHA256
213403e0ad2bd9e3651ee4239e020005ec6a79c3793b26a443f6701ada63858f

SHA512
fb7b451cdf8b0745cdd445e5370a1f2fa996520b21bbe9af227d496490cdf0ae74fe504d4637fc4c45fab97bb6178496fd192cfad48b49aa367739f0cd918c10

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/4456-28-0x000000000BF20000-0x000000000BF41000-memory.dmp

Filesize
132KB

Download