ab8b1213e6925de026e746719ba6038ea229cffeafa46bca7e46c37aa761872a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 20:58

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General

Target

12350a2b0414b1fd84da571de66b995f.pdf
Size

155KB
MD5

12350a2b0414b1fd84da571de66b995f
SHA1

ac63e9b864bdb9b6f455c7c8d1f1247dc06ef108
SHA256

ab8b1213e6925de026e746719ba6038ea229cffeafa46bca7e46c37aa761872a
SHA512

0e03d8acda9414a1c2abcd4fec76011f2808c532c84c869329db4bd711837f0db0fce0b51a5fcae7ddec8a9580387450608254c8389e8c351e9e0764b967e48d
SSDEEP

3072:ZYpvviIuU5tVkp7j+XY8p4Q0X1C5YT5jtBg9Hm2q6nPo4g:ZYpZuU5DK75jMYT5jfqgF

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 5068	3420	AcroRd32.exe	91
PID 3420 wrote to memory of 5068	3420	AcroRd32.exe	91
PID 3420 wrote to memory of 5068	3420	AcroRd32.exe	91
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 2412	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 3964	5068	RdrCEF.exe	93

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\12350a2b0414b1fd84da571de66b995f.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:3420
- 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:5068
- - 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=667BF14E071D42DCFFE4E79BF155ED4A --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2412
- - 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=11AFA5032BFC741E5209BAE0E0E05D66 --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=11AFA5032BFC741E5209BAE0E0E05D66 --renderer-client-id=2 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3964
- - 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=3EED44D572C63E3A89FD8FB4C7046286 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1776
- - 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=078A0020467D5B1CF4689B850A886923 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3692
- - 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=548F9C0D215D8B85A75CEB2B6828C382 --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=548F9C0D215D8B85A75CEB2B6828C382 --renderer-client-id=6 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3112
- - 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=DDBFC1C52AD460E35E69D5841F910D42 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3028

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
85869fdebd22a708cd50002b145524a3

SHA1
7a112a0153cf7b79823fd956b4579c2384ad5a45

SHA256
a6069fb23c5da25972355636405cdc13d03863f7062df687606e2c9b42d6a9e5

SHA512
0b1cdfe1a69d090bec4008cd577a81d9c1d0b7ce177df2a0f770d0f290fd67d0c2817a672ebc63fb3ac67b0dc331747134ba7587e9045fecfdcbe99f217ad2bc

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/3420-27-0x000000000FC70000-0x000000000FC91000-memory.dmp

Filesize
132KB

Download