f641040822e0f50ee404d7d2b78e413520eaf942bfbe47c9371e2dc1b828e852

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 11:10

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General

Target

10f679a0f251868d3db233d9146fe9e8.pdf
Size

77KB
MD5

10f679a0f251868d3db233d9146fe9e8
SHA1

f94874f8ee2863e0e82a5c7c6213aeec3e9b46e9
SHA256

f641040822e0f50ee404d7d2b78e413520eaf942bfbe47c9371e2dc1b828e852
SHA512

4baf6c1bbb6829fbf61a088a8c7145338dfa3ee1eba6a47b184969626967b9950cac454ce582ab40e4e85cc4fa56c8bf748fb8d7b40f904368eac3b25a848705
SSDEEP

1536:OYua/na8BAyLAxiPl29MdSvWB4OGxnk88QJW8pO73WtKEAM5ZX:FxnD0xiPlgMdDBhwk88Qg7AKT8

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
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 868	1808	AcroRd32.exe	93
PID 1808 wrote to memory of 868	1808	AcroRd32.exe	93
PID 1808 wrote to memory of 868	1808	AcroRd32.exe	93
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 5076	868	RdrCEF.exe	95
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96
PID 868 wrote to memory of 2208	868	RdrCEF.exe	96

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\10f679a0f251868d3db233d9146fe9e8.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:1808
- 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:868
- - 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=5D7E04AC075549398E50D5F18803E74B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5076
- - 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=F98EF6A463CDA1BE7B000F07A50658E2 --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=F98EF6A463CDA1BE7B000F07A50658E2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2208
- - 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=4A3E64666B501CDA8EC5164FDD5DA9F1 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4996
- - 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=97CEEFEEF34DA8FB8AA83C2E01E492A3 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1548
- - 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=124FA9589DD8B56B802677244E7DF564 --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=124FA9589DD8B56B802677244E7DF564 --renderer-client-id=6 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3984
- - 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=6F22F73A92826E12A76AADA6AF51EF44 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3468

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
d01873e3bac0ab0a9c372c5fd1f0350d

SHA1
c463024b879be0bdb00ccd8330ded290516b9adc

SHA256
b14ca0d1e3c9e43fab0719606a04a999899df5d15c5bd0fdfedf0fdc03a2578f

SHA512
a5946e92cfea2affab630adaf0da8bddffabb468a67683156823b049c91ced833d358002b11ad584758b71e3f1c1490bb26182d05880af87b84c9d44a43bd8a0

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/1808-27-0x0000000008BC0000-0x0000000008BE1000-memory.dmp

Filesize
132KB

Download