8169acb889aa17a39a1eaf04b053bd1e353be4d134b3b3357e3a3ac7a4352fce

Analysis

max time kernel
201s
max time network
207s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 02:33

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General

Target

2498eaad885eeba0217c4b3446b8b9c5.pdf
Size

85KB
MD5

2498eaad885eeba0217c4b3446b8b9c5
SHA1

b8ce9ec0821cfc3332d85b2fe706c79ed06debde
SHA256

8169acb889aa17a39a1eaf04b053bd1e353be4d134b3b3357e3a3ac7a4352fce
SHA512

1cdd350975bf827d48b93322bcc9f940263a4cf752b866eeebd14fa445c8728105acfc3abd3b235719956b5ca4bdc22d3c756cfe132fa3c239817e59b4f03751
SSDEEP

1536:zc4RUVkbDvYubmIVHvF6toy9sJYK0iH0q/+N0RW6pOu26WbgWAcO9+3aAePfO:Q4G+vvYubmev4Wy9s6WHhI0yu2SDcOMX

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2400	AcroRd32.exe
2400	AcroRd32.exe
2400	AcroRd32.exe
2400	AcroRd32.exe
2400	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2156	2400	AcroRd32.exe	93
PID 2400 wrote to memory of 2156	2400	AcroRd32.exe	93
PID 2400 wrote to memory of 2156	2400	AcroRd32.exe	93
PID 2400 wrote to memory of 2864	2400	AcroRd32.exe	96
PID 2400 wrote to memory of 2864	2400	AcroRd32.exe	96
PID 2400 wrote to memory of 2864	2400	AcroRd32.exe	96
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 824	2156	RdrCEF.exe	99
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	RdrCEF.exe	100
PID 2156 wrote to memory of 4776	2156	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\2498eaad885eeba0217c4b3446b8b9c5.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2400
- 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:2156
- - 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=DC09388C945C58EB815CFE0163ADC5F8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:824
- - 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=EC527FDD5AA7646EBEE4F1EE60B858E7 --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=EC527FDD5AA7646EBEE4F1EE60B858E7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4776
- - 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=6A47F52213680872B43C0EA10AC0095B --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=6A47F52213680872B43C0EA10AC0095B --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2476
- - 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=327C7B67E762779D6792D5E7DB0C0A59 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:736
- - 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=60C95632A68D6C5943C8AED4956FD59B --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1376
- - 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=C7C78AECE5D02FF86752D34A97A11B90 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836
- 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:2864

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1828

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
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