ae103ba32aecc8d86cd296323133d65b98804707149837b5937bd97c30869e14

Analysis

max time kernel
141s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 04:49

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General

Target

4d6082a64c039ff321f7884a19057bf8.pdf
Size

86KB
MD5

4d6082a64c039ff321f7884a19057bf8
SHA1

3f6db8901abb6f477791030270f29360cff404f4
SHA256

ae103ba32aecc8d86cd296323133d65b98804707149837b5937bd97c30869e14
SHA512

3a15646384960e4340409d6acfe929d19ccf8515e229fea5e31b54a36126b51791e9b3d949bf371cc4429e53393a69573e52013de9bf452162a8cd33206d9770
SSDEEP

384:B3vNi7q9XlCLkCKwoCsU51od0kNCRxCjwIMI7wI4CrSeqblZf5CCWNvCKMvl62bI:ZH

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1488	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 1364	1488	AcroRd32.exe	94
PID 1488 wrote to memory of 1364	1488	AcroRd32.exe	94
PID 1488 wrote to memory of 1364	1488	AcroRd32.exe	94
PID 1488 wrote to memory of 5064	1488	AcroRd32.exe	96
PID 1488 wrote to memory of 5064	1488	AcroRd32.exe	96
PID 1488 wrote to memory of 5064	1488	AcroRd32.exe	96
PID 1488 wrote to memory of 3548	1488	AcroRd32.exe	97
PID 1488 wrote to memory of 3548	1488	AcroRd32.exe	97
PID 1488 wrote to memory of 3548	1488	AcroRd32.exe	97
PID 1488 wrote to memory of 2624	1488	AcroRd32.exe	98
PID 1488 wrote to memory of 2624	1488	AcroRd32.exe	98
PID 1488 wrote to memory of 2624	1488	AcroRd32.exe	98
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 2780	2624	RdrCEF.exe	100
PID 2624 wrote to memory of 4384	2624	RdrCEF.exe	101
PID 2624 wrote to memory of 4384	2624	RdrCEF.exe	101
PID 2624 wrote to memory of 4384	2624	RdrCEF.exe	101
PID 2624 wrote to memory of 4384	2624	RdrCEF.exe	101
PID 2624 wrote to memory of 4384	2624	RdrCEF.exe	101
PID 2624 wrote to memory of 4384	2624	RdrCEF.exe	101
PID 2624 wrote to memory of 4384	2624	RdrCEF.exe	101
PID 2624 wrote to memory of 4384	2624	RdrCEF.exe	101
PID 2624 wrote to memory of 4384	2624	RdrCEF.exe	101
PID 2624 wrote to memory of 4384	2624	RdrCEF.exe	101
PID 2624 wrote to memory of 4384	2624	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\4d6082a64c039ff321f7884a19057bf8.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:1488
- 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⤵
  PID:1364
- 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⤵
  PID:5064
- 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⤵
  PID:3548
- 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:2624
- - 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=6C228F0CCFEF0BF36CE71AE0F3FA2A59 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2780
- - 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=37F508A0D7601316810AE0A6D7CDE01C --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=37F508A0D7601316810AE0A6D7CDE01C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4384
- - 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=727439669F2ED8FF9C3E1E5F93746452 --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=727439669F2ED8FF9C3E1E5F93746452 --renderer-client-id=4 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1848
- - 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=79D2AD887ECE3D6D5479948E7203364A --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:500
- - 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=2BD774D9A80970E2209A95B574EA745A --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3124
- - 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=7DBF404567E317748E3FF1B863410B4C --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4160

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4720

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
5f8737879cb4a5e9df163def9e9bf096

SHA1
6a52616753d7ead9be014fc94f26e74422222f55

SHA256
d0683a38062dbc39aedec55ea02ba86e76a5138d8539c96eb6f787b9e8e70ef3

SHA512
d8b0929e310c8835dbf54733f749f722157c777d6f5611b6b02f582db4798497827a384c343a77e034f06a2845ae33baafa1418a35ed715d4583859e2990b137

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