4446d63de46ca9951927205ff5d7219f2a1847972db4ac139d6026142a41bdaa

Analysis

max time kernel
33s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 07:51

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General

Target

12a20ce4ca6ff955186dee9dcfebda63.pdf
Size

35KB
MD5

12a20ce4ca6ff955186dee9dcfebda63
SHA1

e4c5681d86d318cbf3d8b352d7c7d20f129c5259
SHA256

4446d63de46ca9951927205ff5d7219f2a1847972db4ac139d6026142a41bdaa
SHA512

dfb9d9ac1d4563145c253e3e40534c84e9d404f7c5123d6cb51f9f934c6f9bbea61880ce1e66f09bbc7e1a09e8e834c7ae7cc6f03bb60998820ee565dc63be3a
SSDEEP

768:52ZMwZRVxAeZsKWKnCuMkMitw6uPnXyWUwfWVN2lVyxW8l9qbJZvcX9FN:8ZfRZWCDMkXSlyWuVAlVAl9qbJZvcXV

Score

4^/10

Malware Config

Signatures

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\CMap\AdobeFnt16.lst.1772	AcroRd32.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\Font\AdobeFnt16.lst.1772	AcroRd32.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins3d\prc\AdobeFnt16.lst.1772	AcroRd32.exe

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 4784	1772	AcroRd32.exe	93
PID 1772 wrote to memory of 4784	1772	AcroRd32.exe	93
PID 1772 wrote to memory of 4784	1772	AcroRd32.exe	93
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 4536	4784	RdrCEF.exe	94
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	RdrCEF.exe	95
PID 4784 wrote to memory of 2156	4784	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\12a20ce4ca6ff955186dee9dcfebda63.pdf"
1⤵
- Drops file in Program Files directory
- 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:1772
- 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:4784
- - 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=75F07DAF0893920A97CDD670D0289640 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4536
- - 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=FCCBC64144447ED07320D5382C303C73 --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=FCCBC64144447ED07320D5382C303C73 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2156
- - 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=CC9C7A49E33CB4C7DE9959B35C732489 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4604
- - 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=8FF4A180DF6F2117BB3CD1538331D927 --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=8FF4A180DF6F2117BB3CD1538331D927 --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3472
- - 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=3EF261FA4034CDE0E099CEA0F36B0E61 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2796
- - 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=8986E030CFA6B7082D5522795B4980D8 --mojo-platform-channel-handle=2788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4328

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3632

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\Local\Adobe\Acrobat\DC\AdobeSysFnt19.lst

Filesize
97KB

MD5
700e7d6f9cfc26cea4d04f65f02b3452

SHA1
e5580200e54edb7cd4f7c5daada5c031434cf334

SHA256
c3d8aef5d450a90e4a51335532c977515e589143be772697e666c8c9f4ab0c0e

SHA512
1cafa5bab9838052312d8a6ced7d9baa4f28ef77d48681ada4dedf29400d235b51e187a1f207cfd8e008ee6274156cb7ef2821fdf7cbcc65d697ff4f469d7a82

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