d76eab6149afa50ab3c129ea21a1350888b4cccc536b5ee9f45233f003f93524

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2024 13:06

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General

Target

7a55340fd22963811572c360eb7debec.pdf
Size

87KB
MD5

7a55340fd22963811572c360eb7debec
SHA1

5be59cd33448c94886efa770d5a84d40ac338ac9
SHA256

d76eab6149afa50ab3c129ea21a1350888b4cccc536b5ee9f45233f003f93524
SHA512

e5eb121342711ad38e4899fd3d8649a34cc7e2d17485b95e2cc42d26044a355cf4dee11e6f3fb22568feef61737273531f9d3d77b459fc888b1109a49543dfcd
SSDEEP

1536:NnYAciG6HpGdF553+kY0niE5Nr8NhOdTrKDtP8JARzN/LNRv0WHpOvTWUB3UZDTx:zcFWpUX53xiE5cOdTGRRhLPv8vZ3UZDt

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 1812	1620	AcroRd32.exe	94
PID 1620 wrote to memory of 1812	1620	AcroRd32.exe	94
PID 1620 wrote to memory of 1812	1620	AcroRd32.exe	94
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 4180	1812	RdrCEF.exe	95
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96
PID 1812 wrote to memory of 2464	1812	RdrCEF.exe	96

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\7a55340fd22963811572c360eb7debec.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:1620
- 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:1812
- - 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=A566376BB1D2AC8B8BF1D6BE11BEBD8C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4180
- - 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=55D099285D6AF5BF9AA5AEB70BD3A183 --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=55D099285D6AF5BF9AA5AEB70BD3A183 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2464
- - 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=545E96722503A49251F093F548CD1C4E --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3920
- - 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=ECB0A48C521D9F51EF23A7703F43876B --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3488
- - 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=85EA3431A9444DD24CB4D8C167A5A53C --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=85EA3431A9444DD24CB4D8C167A5A53C --renderer-client-id=6 --mojo-platform-channel-handle=2224 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4872
- - 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=D83697EBB0628B87F511B081A053C834 --mojo-platform-channel-handle=2732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2064

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
97a974d9b0402057c3d29627dd1fd812

SHA1
384d8aa5460493b936bfa9af6882054505ef2e50

SHA256
1fbc4f5434e591f1d30213b1cd7ebcbae7637b6e7d3e0a212865d7b9c751dca0

SHA512
d9b556e01d5b89f8895cec97741602b7f3b78cd52e3a07bff5a7c324e0f32f4d4eabf68724246cc28e397c3a7b5aadb64f61390506ae382eb61b7b6b2167f3cc

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/1620-26-0x000000000BC40000-0x000000000BC61000-memory.dmp

Filesize
132KB

Download