53f06b3a7a9c761724757d0e0d2d9f4c9cff2c5dda369f5f02ef364e8dbac085

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 22:53

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General

Target

8d909d602ac1a941237695e8b03c216a.pdf
Size

91KB
MD5

8d909d602ac1a941237695e8b03c216a
SHA1

c2591d49a763782946856ab6f979cb496951dd46
SHA256

53f06b3a7a9c761724757d0e0d2d9f4c9cff2c5dda369f5f02ef364e8dbac085
SHA512

9857f12ddc0c3aeb110d69f075a8d1bd1fdfec02aeef1a344b609d88bfd1aebbcd2036b6a2b4837d834a0be2c45971c38974cc497721168590110010fe6e3aa6
SSDEEP

1536:o2+Unin6FgHPsl+ZzE7U5dddRDpMzCra7TPX5iKItuVQxjA896vnFYl/syY+2DEd:FinGgHPsANE2d/RKzRPp6tMQxktyl/sa

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2540	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe
2540	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 4588	2540	AcroRd32.exe	88
PID 2540 wrote to memory of 4588	2540	AcroRd32.exe	88
PID 2540 wrote to memory of 4588	2540	AcroRd32.exe	88
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 4368	4588	RdrCEF.exe	89
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90
PID 4588 wrote to memory of 2408	4588	RdrCEF.exe	90

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\8d909d602ac1a941237695e8b03c216a.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:2540
- 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:4588
- - 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=673003BEA8362D731CDE675982261EC6 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4368
- - 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=9DF543774E2294776FB3413EA4340CB6 --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=9DF543774E2294776FB3413EA4340CB6 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2408
- - 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=6E9A35151CF3998789A52249F043B8EA --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=6E9A35151CF3998789A52249F043B8EA --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2524
- - 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=A117685AB7E1724CD7CCFF565E509ACA --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=A95B5876729233970AF58B2DCE0BAEAA --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2816
- - 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=E4727A118846EB030F283E1A1EA53AC7 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1676

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4188

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
4d00d9321787b99dd07f2a26933d85a3

SHA1
9d485c25f7b214a464b1722fbf05b1eeff702880

SHA256
55f95fb5727dacf7fc1b14516ca93b2c9f29f72eed3e3cd4ace5dcea5f7120d8

SHA512
e606a41f9407d88c4fc861d29333cecc96ff6ecaf75c1974e5dc3ac3811132e09e25f4efe78f8836734553f21ca870299c1bbaa18811fc9afa06c7f50ec4a83b

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/2540-28-0x000000000C280000-0x000000000C2A1000-memory.dmp

Filesize
132KB

Download