27656d1da96d60398cbc30841439287bb4737fa18af3ac67b139e1574db53d0b

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 18:55

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General

Target

0105ee7dacc56e079a89b8177063cd7a.pdf
Size

43KB
MD5

0105ee7dacc56e079a89b8177063cd7a
SHA1

b54bc21e85676dbd288f6544976729ee3a4247c1
SHA256

27656d1da96d60398cbc30841439287bb4737fa18af3ac67b139e1574db53d0b
SHA512

d6ebaa1ea4dacbb685a80a6a748a0feb3cfa2f90ab59b49ee59ffb28f6ae11d4aaf51cdd6ce3644f2e99e5ab22ac2d7423c1234cf91a1a57a5d48490191cf164
SSDEEP

768:JLiU3lT9TErWNpeVnzqsLeB7KhHw5JaznQwc7jxOZPqFFIO:wUVOrVOsLyOWPQni7jx1FIO

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 644	4932	AcroRd32.exe	94
PID 4932 wrote to memory of 644	4932	AcroRd32.exe	94
PID 4932 wrote to memory of 644	4932	AcroRd32.exe	94
PID 4932 wrote to memory of 1364	4932	AcroRd32.exe	97
PID 4932 wrote to memory of 1364	4932	AcroRd32.exe	97
PID 4932 wrote to memory of 1364	4932	AcroRd32.exe	97
PID 4932 wrote to memory of 1016	4932	AcroRd32.exe	99
PID 4932 wrote to memory of 1016	4932	AcroRd32.exe	99
PID 4932 wrote to memory of 1016	4932	AcroRd32.exe	99
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 4672	1016	RdrCEF.exe	101
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102
PID 1016 wrote to memory of 1680	1016	RdrCEF.exe	102

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\0105ee7dacc56e079a89b8177063cd7a.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:4932
- 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:644
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:1016
- - 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=812621111C21A8718D9EF70B55DF8F58 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4672
- - 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=0A44F0B1FFA36FC825F9909758265C29 --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=0A44F0B1FFA36FC825F9909758265C29 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1680
- - 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=094A06ACF6C6791CF19CFBC417D36412 --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=094A06ACF6C6791CF19CFBC417D36412 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:940
- - 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=8815678D9D779C7DEFDCD13CF31C94B9 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4104
- - 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=81C0894ECCCB9BD41FA1BC4D963965F7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3496
- - 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=9D5279362C1F92A455AE49BDE051F880 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3184

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

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
188e460232be9b4b21769effb958dd75

SHA1
6eb90c860a6181d9a8bb6d31c63fbb9ebcee0873

SHA256
84427b8704344af3f559e41bba4d08c1d2297fae417c9c09a33eb29ddea11f2d

SHA512
c1f028f6f60a99c6493b422582d92351a1368876ca9a552ecd05dd525a514ef72e8c61589110116c54b4ea741cbb0599df2b9193d448d07be83e5d274baa7ad9

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit