a0740ba359ad5338ad902e1626ce6db0c0c16dfdb7f9e844173c7e193b95cd94

Analysis

max time kernel
142s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 22:16

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General

Target

a0740ba359ad5338ad902e1626ce6db0c0c16dfdb7f9e844173c7e193b95cd94.pdf
Size

374KB
MD5

9e7f00917b36ff5f950a2215373bb121
SHA1

5c0789717cf14ac3acfc9c3b94833f7f02e239c6
SHA256

a0740ba359ad5338ad902e1626ce6db0c0c16dfdb7f9e844173c7e193b95cd94
SHA512

eb6d0fbe77e48b947d1aff7901201ac32bb9f96545cf0976d0309c65e554e5e98f7d8fc46f1164ad83cdd11ac8ecd4542ba95ff101de3339f1ce881b8b463092
SSDEEP

6144:46IkKXkeB8/qKWfY7IcmSC6XkWPeddyVpxRs2xzGkCe3W:4fkKXkekMNXwePyVpxOUSBem

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
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 2204	2740	AcroRd32.exe	97
PID 2740 wrote to memory of 2204	2740	AcroRd32.exe	97
PID 2740 wrote to memory of 2204	2740	AcroRd32.exe	97
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 1824	2204	RdrCEF.exe	100
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101
PID 2204 wrote to memory of 3460	2204	RdrCEF.exe	101

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\a0740ba359ad5338ad902e1626ce6db0c0c16dfdb7f9e844173c7e193b95cd94.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:2740
- 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:2204
- - 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=6D029731F0EF173CF2282DFF5DCE86BF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1824
- - 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=52616D187A0E9BFB1B4F55D1386AE4B1 --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=52616D187A0E9BFB1B4F55D1386AE4B1 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3460
- - 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=5D138D745471BFF260C65E2004624852 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476
- - 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=4B706D98890E7668B0320567A8C6099C --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=4B706D98890E7668B0320567A8C6099C --renderer-client-id=5 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1580
- - 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=3DF5AEFBB18F9A405E33E7086B96E31B --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:472
- - 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=1DB44BBF8236D7E2934F5967136148E3 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3396

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4344

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=3688 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
1⤵
PID:1716

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
de588c0581486884c153b6e4d76aed4a

SHA1
77a86e69d264174798ff0a4e462db1a5668695c7

SHA256
168aeb975d0c9d939ee39a85d9b31af89f569b0fda37b285f84454fde68692e0

SHA512
2031d9ccf68a8f0e990524dc400efaf9ca1989a26ab4ddcdb055cb18d07fb64d8ce15adb1d8d9475af6d2bc98d473503b26d05e5d8f919a187b7ce19d749b473

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