f71b6cf106acaa44929e77e81ff0d6e67472e31822c328a3a3129359dd156b00

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
26-12-2023 07:26

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General

Target

5c749dd8eef28dfda0e46620f0bf7620.pdf
Size

36KB
MD5

5c749dd8eef28dfda0e46620f0bf7620
SHA1

39c93cfd6df9e9be72dfca541f793a021620245d
SHA256

f71b6cf106acaa44929e77e81ff0d6e67472e31822c328a3a3129359dd156b00
SHA512

799f00c453b86b45e7e6ab0cbedf21cb29cb42aa70a6c89283ca4e515fadeb57303f4a60532b8be1de0b53ec53ba15101bb2d0654db637263ebac923fff39e93
SSDEEP

768:RjlF/xo1gjjdWPEJKH5ut+Itb2rsK3kzHsr2OGaWblmZ/CWar:RDJo1LPDZut+Ip22Mrqa1FCWar

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
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5092	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 2496	5092	AcroRd32.exe	94
PID 5092 wrote to memory of 2496	5092	AcroRd32.exe	94
PID 5092 wrote to memory of 2496	5092	AcroRd32.exe	94
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 400	2496	RdrCEF.exe	95
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	RdrCEF.exe	96
PID 2496 wrote to memory of 4224	2496	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\5c749dd8eef28dfda0e46620f0bf7620.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:5092
- 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:2496
- - 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=4143B502E8327731CA1AD41E9706808E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:400
- - 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=1EB3816FC0DE4EE5F191FA21B48E766A --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=1EB3816FC0DE4EE5F191FA21B48E766A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4224
- - 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=844F8F71D5CEE08D1BC96A8D4A7B1047 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:448
- - 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=82DF101529C3984605FBA471721D744D --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2124
- - 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=4B235B8C9D76F182C103F9F1D50A5AEC --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=4B235B8C9D76F182C103F9F1D50A5AEC --renderer-client-id=6 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4372
- - 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=CC341C67443F3510E49CC229C549915D --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3640

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1976

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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