a163eea6be2475f2881722bdcad5a9fea054cc7285e9fa677a3c6e1488e154f2

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-02-2024 19:15

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General

Target

a9f3a518aeafa0643be973df544e4653.pdf
Size

79KB
MD5

a9f3a518aeafa0643be973df544e4653
SHA1

dd8b9520b0ebc68d1786058436b7b3fd07f6adc4
SHA256

a163eea6be2475f2881722bdcad5a9fea054cc7285e9fa677a3c6e1488e154f2
SHA512

e6cf96b0ef8679435a874463d55698e3443d1e66102f520201e576e66582c758edd00e59080a5989a70e5b5963422951d5b8af6ca7e1cf1d88c973a1063ae06a
SSDEEP

1536:8ZAkyhZgpJzg3lVWWYx+uI5bfpr2dcVTWOpOaZEWO+CFYktkxe6K26IOl97:MAjZgvzg3jWWluIVfpq0kaZSKKkxe6Kj

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe
2544	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 4004	2544	AcroRd32.exe	90
PID 2544 wrote to memory of 4004	2544	AcroRd32.exe	90
PID 2544 wrote to memory of 4004	2544	AcroRd32.exe	90
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 2136	4004	RdrCEF.exe	91
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92
PID 4004 wrote to memory of 4768	4004	RdrCEF.exe	92

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\a9f3a518aeafa0643be973df544e4653.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:2544
- 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:4004
- - 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=27A91BCBD74AA5747FA1A6B63A8A09E9 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2136
- - 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=4AF88CFD0E2C666E4A57AA90BEED1A1B --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=4AF88CFD0E2C666E4A57AA90BEED1A1B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4768
- - 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=1805416A63AE1207B535E40BB8CFF449 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2212
- - 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=66FE89233A01DAB7ED23C282F56598A9 --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=66FE89233A01DAB7ED23C282F56598A9 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2496
- - 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=0183AD52DB8364D1E9E0C7AAC31CF5C6 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2476
- - 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=BEC0F5024CF316CC72852B80D6824401 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1608

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2216

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
e8536472b05c8c2b9852a9f1c9b5297d

SHA1
5886d789c993cfef29b1e018739a628e5cce532d

SHA256
6376adb3bbf8113f766a2cb9d8f70b6dc2ac47cd62ea2a00ea0003238cc03135

SHA512
b2a981c4f2835d1bedff0288f2006f8cc9ca635b150997c882b11cb4648b642aef6357ac62a8d57a0c3d3ea94f7e63c7e73f59b0a4db6c9e5a56ea6bb67ab6af

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/2544-28-0x000000000B2F0000-0x000000000B311000-memory.dmp

Filesize
132KB

Download