46d44f70b98db5dc294846bd1652461d01134dac9c11abb9ecf02f49b0468b56

Analysis

max time kernel
140s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 08:29

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General

Target

98f382b040fe3c2c7a2a294bb847ecbd.pdf
Size

78KB
MD5

98f382b040fe3c2c7a2a294bb847ecbd
SHA1

0309318b2f42cdc378e90a1f98ae1ee6d5da719e
SHA256

46d44f70b98db5dc294846bd1652461d01134dac9c11abb9ecf02f49b0468b56
SHA512

4e0befc22b965506781156abe6d126fc5c5c67eed16a5dcc34f63c7ed02e415aea781dc77247b432d529d0b88f5aa517d88bf59237022b932778d5e3d48bed7f
SSDEEP

1536:Iso2OuWQuJI8AhXTC7iEq9Erf8gCnkrWpaWUd8ExgOWOpOaZjpSlBq7+66:FP8SUiEq9Wfgk6WmCgjaZwq7o

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2684	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 960	2684	AcroRd32.exe	84
PID 2684 wrote to memory of 960	2684	AcroRd32.exe	84
PID 2684 wrote to memory of 960	2684	AcroRd32.exe	84
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 2176	960	RdrCEF.exe	85
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86
PID 960 wrote to memory of 880	960	RdrCEF.exe	86

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\98f382b040fe3c2c7a2a294bb847ecbd.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:2684
- 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:960
- - 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=5B74F1AFD40E39D0B00CAC6840ADD4FE --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2176
- - 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=32A693C26DDB3F3248890A2D384A9568 --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=32A693C26DDB3F3248890A2D384A9568 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:880
- - 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=5251A6FAF585099335650678E19B9242 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4944
- - 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=E17DAC819789E964F57A8D8D1787E699 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4192
- - 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=545883D28F8CF1D037C1B455EFF05D59 --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=545883D28F8CF1D037C1B455EFF05D59 --renderer-client-id=6 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2784
- - 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=D8D7B3F90D274AE4140BFA4B06D1C016 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4932

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
0c62800907fe4a57d8371ca924910d98

SHA1
7c1fad9c60791269d9d391a4df941042ad09d858

SHA256
49a40575c60e9d6442bf04a0f7c1e9067c5c31b7f7e731cdc3c61ec188038ca2

SHA512
b1409359994f45f790a3f30feedbbd8f4091c529b32f184a17d263182fedecd1571b8e7b316d7678abc1ece4a44875ac1accbb12624b37d230844a0f2bf1923b

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