81bc4b110900e4fa21f802cc62dd9572c405714b6d59e0b43867b243c12ef92b

Analysis

max time kernel
5s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 15:04

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

02dcb6052146d7fdc23f2ea70a212091.pdf
Size

372KB
MD5

02dcb6052146d7fdc23f2ea70a212091
SHA1

d3729fc8ed1f06f52851e2b6d6ef6e05f679384b
SHA256

81bc4b110900e4fa21f802cc62dd9572c405714b6d59e0b43867b243c12ef92b
SHA512

731aff85f53e4a115729e7ff2b28d7cd9e3b2c4b8924e21b6a42d718bef135ad0b7cf88e1a9df04457322fe0fd17af1441aaa7ee76cbd5babf3f3de9c62191bc
SSDEEP

6144:YhJPWmps8UA+vx5UFNQgBdZHYQISec527pwYakP+afMHh2KNt:GPNs73/UFVPH3IS92RbzWt

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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 use of SetWindowsHookEx 5 IoCs

pid	Process
228	AcroRd32.exe
228	AcroRd32.exe
228	AcroRd32.exe
228	AcroRd32.exe
228	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 4424	228	AcroRd32.exe	93
PID 228 wrote to memory of 4424	228	AcroRd32.exe	93
PID 228 wrote to memory of 4424	228	AcroRd32.exe	93
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 736	4424	RdrCEF.exe	95
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	RdrCEF.exe	94
PID 4424 wrote to memory of 4076	4424	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\02dcb6052146d7fdc23f2ea70a212091.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:228
- 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:4424
- - 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=24DC206B9D4CEB95BEF7D9C2AC1B339D --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=24DC206B9D4CEB95BEF7D9C2AC1B339D --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4076
- - 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=DB9E3DFF4CC1FEA52469401209EBE4E6 --mojo-platform-channel-handle=1600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:736
- - 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=EFD37052170A5F97C23CE817F269E13C --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1192
- - 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=86D87B842B3A9C7C9EBC7A66E4C7DD58 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=C422DEF6D2EB26E0E138067D80B18D86 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4644

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
53KB

MD5
b7ce7c8d0b3aaffa91423de7348225bb

SHA1
349159fa20af29f8768dd645f4aa2240078c73f1

SHA256
eea6dff12d53fe2a6d7b5c5bc7350b29b07efa008042f2f13b93e6512e80ede5

SHA512
bac66d9b02ee7e8f8f2683e99c6a9ff530352a43b625916ba3a566391984b2069b6f42ccbb34f59016e9967e09d7adb6b30b87fec4336b6ec433cec997953ff9

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