81f5d4eb0b0c31b3b51ce819ae1b2e722e9eeadc798ee7930ddc123886b29e84

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 14:19

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General

Target

bed2a34382ae98278a373722bb4dafed.pdf
Size

42KB
MD5

bed2a34382ae98278a373722bb4dafed
SHA1

eea134cc4da2a6912f0cbc72117ea6b2e267647f
SHA256

81f5d4eb0b0c31b3b51ce819ae1b2e722e9eeadc798ee7930ddc123886b29e84
SHA512

74098f715dd30cebca5fcabbefe09a1cb5108f663fbf5146d005026c13014ac928d482bc9328d772cc78d2cc75a7b40be6b307b360343049094a42cdb4ffdb6c
SSDEEP

768:EBRoVYN5Q/YmUeQBpFDQu2i9l/cxwMBP9G0vsFx5GNXQflpv0Fs0lQuf5xAf:EBmQ4N4+i9ZY9G0kFx5OXQb8KoQQHAf

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1180	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 2528	1180	AcroRd32.exe	85
PID 1180 wrote to memory of 2528	1180	AcroRd32.exe	85
PID 1180 wrote to memory of 2528	1180	AcroRd32.exe	85
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 3660	2528	RdrCEF.exe	86
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87
PID 2528 wrote to memory of 2012	2528	RdrCEF.exe	87

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\bed2a34382ae98278a373722bb4dafed.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:1180
- 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:2528
- - 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=CFA4D67DCA48672EF255FFE2838595C7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3660
- - 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=FD43EDC2FB45B3C29AECD82EDB8F3668 --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=FD43EDC2FB45B3C29AECD82EDB8F3668 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    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=A1AAA885F9F92E5F10AAB04EEE354DE9 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4536
- - 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=8C0D405F09CB26738E1768E58A2186A0 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=10471BBB14AB2A775082A20A8488C9E8 --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=10471BBB14AB2A775082A20A8488C9E8 --renderer-client-id=6 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4816
- - 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=B0D9E8A47CFC366BBFCAD07DA85DC15A --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:388

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:740

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
f555aebcb119cd2eeb91403eeceb68c4

SHA1
30be58375ba427e80dce1f51c6ead89717224c28

SHA256
f4bad6c9f5e6b17efe24d6835ecb95d4ccecf34e095258f53765373a3bfb0344

SHA512
4f2c745191d4cb58ccb55801ae79557ecdb37c8b2ee9852bed1c2b3ac8b830fdf44d5d17eb6aa0cb2f3717e1cfa8c9a5b72b0f69f5af0d114aff5dd268beaf63

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