7813b8bb793d55e31707190c2df8da4961e9ec4d45a90a10bd63587f65b15fca

Analysis

max time kernel
144s
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
30/12/2023, 20:23

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General

Target

1bc81c2638f691c2473763caef205166.pdf
Size

104KB
MD5

1bc81c2638f691c2473763caef205166
SHA1

48fbe8da64de61104bbe1166c2b3bf2e4b9b57f7
SHA256

7813b8bb793d55e31707190c2df8da4961e9ec4d45a90a10bd63587f65b15fca
SHA512

9b91f0d061f57a5d6a180d757755bce65acc3e3b3230e0df847748bf2f6ab5075fc879e56dbc6c583f8f20bc7c2d86ddd95a09dcf39f1c7b578e04653c75b208
SSDEEP

3072:pF5eHPhgSWz9750/TS0LlcdH4FXsfD63WDOL:pF5eH6t5d0rS0LedHUXahG

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
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 2292	3828	AcroRd32.exe	94
PID 3828 wrote to memory of 2292	3828	AcroRd32.exe	94
PID 3828 wrote to memory of 2292	3828	AcroRd32.exe	94
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 4912	2292	RdrCEF.exe	95
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	RdrCEF.exe	96
PID 2292 wrote to memory of 1576	2292	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\1bc81c2638f691c2473763caef205166.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:3828
- 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:2292
- - 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=5A50C3030679E23D702DE32190B3D319 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4912
- - 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=52403C77DF06118491858ACDF0F64601 --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=52403C77DF06118491858ACDF0F64601 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1576
- - 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=E762830164CDD920348A7155A7B84381 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3540
- - 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=04B96A0B3A78A32908612CCA97F6F40B --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=04B96A0B3A78A32908612CCA97F6F40B --renderer-client-id=5 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3952
- - 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=3190DD441894FAF7D24400C12053EF82 --mojo-platform-channel-handle=2736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2012
- - 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=1A49DBE05218F32EC4F7436D11FC7710 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4340

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5064

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
8454eb8dcf20387ea5f75c5b8a4527ae

SHA1
cedf95829bf59c3c7db0895139cd08bbef19c986

SHA256
c0cf8827ab2aa6bae178049280a473d88f5f6b1b95af3f55d0e11b7296c2544b

SHA512
ee7578a85a8db85df0e2a5ea116b36701a014070f733db537af856ea48245efb56c09ffa11247d226ad34b837407880289c8823d64ec75dc7d37d1bfac685f4d

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