1aaa58c23862daf09cba7eb45ae9f1ddbdbee0fef34fb1bf9d8e53e35366f89d

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 11:22

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General

Target

df0a72d475057d83ef9b37fd6c8adb7e.pdf
Size

80KB
MD5

df0a72d475057d83ef9b37fd6c8adb7e
SHA1

399dace550251007d66a77d673536329be036a24
SHA256

1aaa58c23862daf09cba7eb45ae9f1ddbdbee0fef34fb1bf9d8e53e35366f89d
SHA512

a33bcb3456c9165fa4f4149df1a863cb517272e62ba6a0a3718d7363add0392c7e7e9a1168ad7537c0c633b3913ec84d3a5fb32cd28725dfe54453da482d085e
SSDEEP

1536:JPIzEnM1whK89QM7mIef5cLUVGzYW4AZBODy1du8WjdZ92nDxWmpOpRq0fW55jXn:VIgowwzM76f5yj4aODyHu8NDCpRq045b

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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1840	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe
1840	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 1468	1840	AcroRd32.exe	98
PID 1840 wrote to memory of 1468	1840	AcroRd32.exe	98
PID 1840 wrote to memory of 1468	1840	AcroRd32.exe	98
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 632	1468	RdrCEF.exe	99
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	RdrCEF.exe	100
PID 1468 wrote to memory of 5052	1468	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\df0a72d475057d83ef9b37fd6c8adb7e.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:1840
- 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:1468
- - 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=B3F6DA395F715347A9CCAC7E29FA4AB5 --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=B3F6DA395F715347A9CCAC7E29FA4AB5 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:632
- - 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=F021FD15B64F8E13ACACCDD3C05E8691 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5052
- - 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=D9017731B4714973F02E589B056713D5 --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=D9017731B4714973F02E589B056713D5 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2772
- - 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=7A13AA933FF256DAFAECE0878CDE1304 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2096
- - 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=03D8EF2F959AFBBC908B2ABB1FCF733F --mojo-platform-channel-handle=2000 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2508
- - 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=65FE6B1866685011CD9DEDA291F4AA7C --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2952

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=4200 --field-trial-handle=2232,i,10468259530860544675,2192522633371581869,262144 --variations-seed-version /prefetch:8
1⤵
PID:2980

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
b46b0ea72aafadc9066d7a2531a5940a

SHA1
3d1ec249fbd416ce3679b56cc542ac3e7dc33b0d

SHA256
26f605e98fdb909f6596b48df72cf40a243a186d5b54eb66fa8767bb4dc31335

SHA512
32987aaf139ad07449788c251f63bdbd50ddb4a85f3cdd056af55c5c7ff35069731afc462c6b9d9bbb42082494161af8fbcb527b45599c952228c545b985c934

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/1840-28-0x000000000AD80000-0x000000000ADA1000-memory.dmp

Filesize
132KB

Download