82ce59e0ad2f56983756d2dc89fe1dbe6ec4c188187a4b4f14d96c8a876f44d0

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 14:50

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General

Target

ccb810da80be62f07c6bcfab3152d68f.pdf
Size

72KB
MD5

ccb810da80be62f07c6bcfab3152d68f
SHA1

9727eff8e4ff5760774239f6067853c7df43bc2e
SHA256

82ce59e0ad2f56983756d2dc89fe1dbe6ec4c188187a4b4f14d96c8a876f44d0
SHA512

4f05454b0c86a34c2ab7d3d1544a23b289f7f42e23d2656cdda8b4fa0360f1a82bbc0152c5eacf297a3e523662531dc7c84d9b64573e702821d8f1bbced8c83c
SSDEEP

1536:pcGoGYJeyVyMXuA4947EZxdNIPVAamkartLDU2C2yIYSVJ2ehzgkUpdcoRp:7oGG+3ZYVAamx+P2yI7J2wskUppv

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1236	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe
1236	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 3432	1236	AcroRd32.exe	93
PID 1236 wrote to memory of 3432	1236	AcroRd32.exe	93
PID 1236 wrote to memory of 3432	1236	AcroRd32.exe	93
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 968	3432	RdrCEF.exe	94
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95
PID 3432 wrote to memory of 2732	3432	RdrCEF.exe	95

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\ccb810da80be62f07c6bcfab3152d68f.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:1236
- 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:3432
- - 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=2B3742BD6DA1B0952094B1CBD20B6ACD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:968
- - 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=06532AAF7452D4C404A76E2ED6534AEB --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=06532AAF7452D4C404A76E2ED6534AEB --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2732
- - 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=1B57D39FAE910BE6CD1CB9B2D937DE0B --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3924
- - 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=868C40A33763749129B0786AD8C2B68D --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4896
- - 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=3953F5EE239EFF3807BD45E994691FF3 --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=3953F5EE239EFF3807BD45E994691FF3 --renderer-client-id=6 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=830AA7D51C7E8EE52483649C2DB49949 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2496

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1280

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
02b9c807d7e263f91c66c56376f402ea

SHA1
935f42602117093dbb2e2ec540789b2ea6e2c4b5

SHA256
27c18ac4de6c277b7d435b040f649a09f1eacfa029ae787cb35ffbd2cbb80951

SHA512
d4274982562142ccf432e41b9873f513b748bf8568f5064a2aca9778208947d8915d35c42f5fe0981eb22867baf128fc991a0baa1fc3e0f261c106ec83d3bffd

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