fb3eb11aae337b3adce9dbf08c20b61bc2c57b896a6c790455edfb0eafce8182

Analysis

max time kernel
158s
max time network
169s
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, 20:23

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General

Target

02fc2d6e6fb79de251fccaef0cdf59f6.pdf
Size

35KB
MD5

02fc2d6e6fb79de251fccaef0cdf59f6
SHA1

a27b95eac373f74f8aa7fceb0a447f7d2afb6ebc
SHA256

fb3eb11aae337b3adce9dbf08c20b61bc2c57b896a6c790455edfb0eafce8182
SHA512

f05aa9beed952df04399dcecb9a66791bd9e5a8c60bfcccd88ab42277105ced90d6fa86b5c3d76d224af6cd38610edbd8b583823368f763a0803631c36ebd2c1
SSDEEP

768:MlrYZwlSGPcnhLcD3Cix0/FRczcrCacEXeaSjGDkLdb:MlrGOS8cnhLJgmXrWEXeljGyb

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe
2820	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 744	2820	AcroRd32.exe	94
PID 2820 wrote to memory of 744	2820	AcroRd32.exe	94
PID 2820 wrote to memory of 744	2820	AcroRd32.exe	94
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 2652	744	RdrCEF.exe	97
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98
PID 744 wrote to memory of 3112	744	RdrCEF.exe	98

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\02fc2d6e6fb79de251fccaef0cdf59f6.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2820
- 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:744
- - 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=240DB363F3A2F0AEDD79C234FCA2CA8F --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2652
- - 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=729BA83C2ABB230BD61CF271E6F434FD --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=729BA83C2ABB230BD61CF271E6F434FD --renderer-client-id=2 --mojo-platform-channel-handle=1748 --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=BD2FBDC52F82F9D2F99BCAB28B770122 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1900
- - 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=AFEABD3C9790A3A3EA45FAD921EAA108 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5076
- - 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=371A4D5DE32312C2AD7FDE8AD02BAE46 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3468

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
85f099f8c55a91573e85298aaa084512

SHA1
4aa95abc5adb997ff231db2d276d811429e57862

SHA256
a642ec2e54fd9fbba7eb5ffd2b4ad4ee127ba6f0668792304e9479ffa1b8c8bd

SHA512
2232f2e76eeeb5550d52f4bedab085de3d13402b899d626221b0dedc7817385a828e5c1f086d0205c7b5c324506e0643da72cc98d85d6824061692c2f2787672

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/2820-40-0x0000000008C10000-0x0000000008C31000-memory.dmp

Filesize
132KB

Download