99ec273b040cc4130ee8e0ae7f9f376231db08e1faaa6d93b990f780bc4c4807

Analysis

max time kernel
146s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 05:51

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General

Target

52b4aebc0918df87089bf20ff41aa032.pdf
Size

45KB
MD5

52b4aebc0918df87089bf20ff41aa032
SHA1

6472aa6b4b29a85df88afe236053036be3a9d198
SHA256

99ec273b040cc4130ee8e0ae7f9f376231db08e1faaa6d93b990f780bc4c4807
SHA512

f973c9621b965177206f1cd6f5f842d23773e0c08bdb4c51543e44dd6570ed86ff486e5b5f26ffed96168d283d57fafb6c9c9b94da8307c30893e168f8b81162
SSDEEP

768:tHJGjRHUkus5y+LSVAeRd2IT5c9x+wYfEzHdknPpPe7VilTfB/:HGV0kpbSVWsxEz9khPiilTf5

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2840	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 4592	2840	AcroRd32.exe	93
PID 2840 wrote to memory of 4592	2840	AcroRd32.exe	93
PID 2840 wrote to memory of 4592	2840	AcroRd32.exe	93
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 3684	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	RdrCEF.exe	95
PID 4592 wrote to memory of 4516	4592	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\52b4aebc0918df87089bf20ff41aa032.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:2840
- 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:4592
- - 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=7269FD75836262C7FDDA87784FC7C704 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=F7E56E23DBA83B6F94F7B5BB4314E29D --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=F7E56E23DBA83B6F94F7B5BB4314E29D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4516
- - 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=A5E7AF97531E85852FF5C95E4BE3848B --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:856
- - 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=9AA1CA0204EA46B782A4E4762F1BDBB2 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:976
- - 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=6FA8E42BF61A9A9E269D2B86C3D5C2FA --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3688
- - 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=4D151655CF154A3E33FA2C676820B487 --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=4D151655CF154A3E33FA2C676820B487 --renderer-client-id=6 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:436

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5088

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
bef2662b1caca89b7c19c1acc02bea64

SHA1
6b1866afa64f5bb675142b585d5dbac694d9fefc

SHA256
c6e6b15e6d5aff6c10005c19aea1c2e140eb69fb5aec78c9209cc0e980c4b3df

SHA512
2b03a12d26c06d9a2154e5919071c18ab461048c7f6eebf6951c1ed282414d10cc484537bdf6460cfb4f5cfd031929742cdad7e0a98e419b7aa4da3286eb9517

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/2840-26-0x000000000A0E0000-0x000000000A130000-memory.dmp

Filesize
320KB

Download
memory/2840-134-0x000000000BD30000-0x000000000BE7D000-memory.dmp

Filesize
1.3MB

Download