4baa2831f96ce774492a820e5f327a93291c5a03b764caf951eb9634a3997345

Analysis

max time kernel
148s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 13:04

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General

Target

539809715839d2196b5f2979b168c0ba.pdf
Size

93KB
MD5

539809715839d2196b5f2979b168c0ba
SHA1

dc795d1bcb66f7aae81ac6d829cf0e4ba79b96e0
SHA256

4baa2831f96ce774492a820e5f327a93291c5a03b764caf951eb9634a3997345
SHA512

c7993d1593559d0a321bf70dc357ff1e8be17bd93556cf8a1b102d85b2a15d7e5faeec600fb95a05ca45cf655be028d5cbc44789e9cc7073e9b4bd41da1fbbf8
SSDEEP

1536:wTQ9LNDrOabyxAfb/67nt/JvQWTJfuGaQDQHtdY8wJ1WOpOaZEWM224RD3kP1:kQ9lOabyxAL67nth/MGa7HPwJuaZbzDQ

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
8	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 3068	8	AcroRd32.exe	92
PID 8 wrote to memory of 3068	8	AcroRd32.exe	92
PID 8 wrote to memory of 3068	8	AcroRd32.exe	92
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 912	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 3908	3068	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\539809715839d2196b5f2979b168c0ba.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:8
- 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:3068
- - 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=972F4E18F73C4F231D2005BF7E3E6727 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:912
- - 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=B60C8BCE448172BFBBB9540188FDA243 --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=B60C8BCE448172BFBBB9540188FDA243 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3908
- - 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=A8F5F8BBB10A51DF9373AB34D4DD6858 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3868
- - 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=5F7B374AEB86952D80B2AD387640926E --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=5F7B374AEB86952D80B2AD387640926E --renderer-client-id=5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2028
- - 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=FAEF4E3C4A636053982C5EDA782AAEFC --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2472
- - 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=EDD670041B4247DC460817B6ABF28070 --mojo-platform-channel-handle=2836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4492

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:376

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
64KB

MD5
8126a94f9f412b2079252accbc19a95c

SHA1
c769a5abd560a2b43facd85cb815274ffb65a932

SHA256
3db668c5652d6f2306ffaa7a66b91577574d4a408e1e519a1353d01aabef8cb7

SHA512
e8d74f12d158c75185324bacc4df09edfab85b863beb32b8e73a6c7adc345444a6c4b82f589197dd4093453a169d6f2e209f0a82a5566ea9ad3bb861799fedcc

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