7121b4dc23dd14078a0846e5a5ef529d46e07703c220677dea9b40eb6e1515b4

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 13:43

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General

Target

1a63540f60ce35f064bb4fab02fb9a8d.pdf
Size

89KB
MD5

1a63540f60ce35f064bb4fab02fb9a8d
SHA1

8c7d57b07a4bc12ab7e5856ea0ff69e4e240d6b1
SHA256

7121b4dc23dd14078a0846e5a5ef529d46e07703c220677dea9b40eb6e1515b4
SHA512

00c900dcbe2e74e1d1f9aaa1597ad726ecbae244f8b7a5d027f5e4bff4b2e048c37574198744c8299a40b71cead2bc6193dc94a580c018e2e4c70381106bf348
SSDEEP

1536:53i8t6y6ybXExub4uBr7/R8bEO5w9nBKFCWGpOKjqvpELSwWioKjD0qnCeo:f/rbXEQcuR7/R8YgEBK9KWyLSsjw3

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 1844	4064	AcroRd32.exe	90
PID 4064 wrote to memory of 1844	4064	AcroRd32.exe	90
PID 4064 wrote to memory of 1844	4064	AcroRd32.exe	90
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1620	1844	RdrCEF.exe	92
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91
PID 1844 wrote to memory of 1068	1844	RdrCEF.exe	91

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\1a63540f60ce35f064bb4fab02fb9a8d.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:4064
- 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:1844
- - 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=2BC2E8FF95245DE6E2D21CD8E1461F47 --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=2BC2E8FF95245DE6E2D21CD8E1461F47 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1068
- - 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=B442BAAD0469E6F443D170DAE8789B9B --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1620
- - 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=93EF7AE19273C3A956B075215AD33549 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3500
- - 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=B9382950084DD7F3E18FEEA84236A7D3 --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=B9382950084DD7F3E18FEEA84236A7D3 --renderer-client-id=6 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:668
- - 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=04BA40AEFB5CDF7C8AD18CB1AC490319 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1100
- - 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=1DD0DB925CE908C3FF6D0612E3EEE927 --mojo-platform-channel-handle=2720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4832

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1928

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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