d51d3f5c35e25d1bea5112f1fdb4834aaa64a27534fe278dcbc5ed023e28b599

Analysis

max time kernel
147s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-02-2024 11:29

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General

Target

abc7a00a3ecfaf92ddecc7a1905075db.pdf
Size

87KB
MD5

abc7a00a3ecfaf92ddecc7a1905075db
SHA1

15cb5cfe5fd9ee895cf8fad1ffece82aea01a6fc
SHA256

d51d3f5c35e25d1bea5112f1fdb4834aaa64a27534fe278dcbc5ed023e28b599
SHA512

b1b43905ed064bad636c540f3a329fdf346da7520819f585efd87ccd4e995c41381335b3e0ad017eb8eec5bd6258cd9556fdd6f4748e48259c3e7898343a5abc
SSDEEP

1536:8VszNlBytdPZvnbVTRBPYo6d0q+dCLhEpCuKFZqXnGBkWnniq3eKSGljvvxW7Ghg:r/UvJvBP96KqQGhEpCuKDqO7F3+QvpCl

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2972	2380	AcroRd32.exe	98
PID 2380 wrote to memory of 2972	2380	AcroRd32.exe	98
PID 2380 wrote to memory of 2972	2380	AcroRd32.exe	98
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 5096	2972	RdrCEF.exe	99
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100
PID 2972 wrote to memory of 4516	2972	RdrCEF.exe	100

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\abc7a00a3ecfaf92ddecc7a1905075db.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:2380
- 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:2972
- - 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=6C7EF4E622714DA6B2098786D89B96BD --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5096
- - 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=7831BDDCE78428A552E383AC6BC5A798 --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=7831BDDCE78428A552E383AC6BC5A798 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=3153A6F7C5B40BDC4701197DBF30390E --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=3153A6F7C5B40BDC4701197DBF30390E --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2592
- - 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=78FF0CB7C7D435266FCBEBEC3D5EDA15 --mojo-platform-channel-handle=2004 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4320
- - 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=EB9265D66602207071FA2A22A4B2B388 --mojo-platform-channel-handle=2612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464
- - 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=2FC6426EA5E6D310C39EF9B0EEE617FE --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1108

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4536

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4024 --field-trial-handle=2240,i,16875000905773190493,11379096115878622792,262144 --variations-seed-version /prefetch:8
1⤵
PID:1648

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
727b4ced42a85f941b5d51750d866e96

SHA1
12e80a71cab991b304fc38166a61162d104037ac

SHA256
23b564dd3904a54ba4ec81f387af734648a6c2d997824fbfd9add0498ed59444

SHA512
1e151d3d6ee3db32713a3294ccdcfa57f529a326f710f4eb5c93ee71b2d8232d863012a6f39e4625ca1ff626937d732d30edc8461e2429249ca67d7320f8a9e1

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