8fce353187f987641e977de7c0dfbbbed08ec2dc60a4afa07c5bf440f1b48141

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 18:19

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General

Target

543c45e8baf504e81ca4d528d1d4488a.pdf
Size

88KB
MD5

543c45e8baf504e81ca4d528d1d4488a
SHA1

758f4cf04cd4a932485a03a45ad1d49afa9797a1
SHA256

8fce353187f987641e977de7c0dfbbbed08ec2dc60a4afa07c5bf440f1b48141
SHA512

90e093c7ac2ce935d29e297f4da848bb8f3bde52686d448570084fd006adb665246cc50dc335a41871110b693d818f9de4d14b44f6d165ace578e861f02a84fb
SSDEEP

1536:bPgjDHEpfppg2IeqdRct2cKqGvHvZhNEm4tu+eW0F1LmaGmMZoEoPpWapOtQHW0d:bgjwpfppg2qUt2cK5v3NxT75FI1mMPo5

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1268	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe
1268	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 4760	1268	AcroRd32.exe	92
PID 1268 wrote to memory of 4760	1268	AcroRd32.exe	92
PID 1268 wrote to memory of 4760	1268	AcroRd32.exe	92
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 2476	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 3384	4760	RdrCEF.exe	94

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\543c45e8baf504e81ca4d528d1d4488a.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:1268
- 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:4760
- - 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=892DDB1336E11D539CD908299F585980 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=19370AD7BA5F437573A6A8CA1016F86B --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=19370AD7BA5F437573A6A8CA1016F86B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3384
- - 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=C618FD5277C66EFB64A9A655ABD5D486 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:952
- - 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=3C2C81C6DF50A780C620ADA0CED29C73 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2116
- - 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=B1C4CA8FD9EDA4569972397A75CAA69E --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:568
- - 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=0304EF10380A6D98DB45C87D12A8D2A8 --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=0304EF10380A6D98DB45C87D12A8D2A8 --renderer-client-id=7 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4264

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
75a53aa275f1fb948cf4eba5abff8e6e

SHA1
d179738d280f869023055c7c927a61ab355307dc

SHA256
86eb169e082d8e9b8db36588b00f6fc25e839347c2da899bbe90b8d7423d36ef

SHA512
d8b5c7191c586c5deff790e8f29039bab026f4b6ef77eaf6a4609eb0b12e9bdd05400e17afe0d6dbb54957dee31edea752ca404375f374d4c475338e30f069b2

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/1268-26-0x000000000BF40000-0x000000000BF90000-memory.dmp

Filesize
320KB

Download