36c62e4c9bff2c58ba3e2d33949fa42c6bfb2fd044a78aecd97ac1c4d88d3e76

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2024, 10:53

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General

Target

5641ee08b0376efc4e8168c9543fae19.pdf
Size

34KB
MD5

5641ee08b0376efc4e8168c9543fae19
SHA1

b3c36e265b9c0096836f0412c26ce87f658efa1d
SHA256

36c62e4c9bff2c58ba3e2d33949fa42c6bfb2fd044a78aecd97ac1c4d88d3e76
SHA512

ce2f2dc402c0af4de05e0b7702211d6e09b4a17cf8a4273e8096e56079ab5e4ab2e936dbb11481da85e94acb644ee95fef32c7082d11a1c3c97525889475db29
SSDEEP

768:XK9xLad4giCNLEdyMDrw0APbGoKBQxGlJCnnrBkI+4l2aq4hVhl5yYQJ:YYEdTDrWXnrBPblLqShPQJ

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
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4184	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 2168	4184	AcroRd32.exe	92
PID 4184 wrote to memory of 2168	4184	AcroRd32.exe	92
PID 4184 wrote to memory of 2168	4184	AcroRd32.exe	92
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 2128	2168	RdrCEF.exe	94
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93
PID 2168 wrote to memory of 1288	2168	RdrCEF.exe	93

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\5641ee08b0376efc4e8168c9543fae19.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:4184
- 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:2168
- - 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=07E9F00ADD85C253EBADF90E8FF70AF9 --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=07E9F00ADD85C253EBADF90E8FF70AF9 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1288
- - 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=7AF343A7C3249FBA0226D13576A1BFBC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2128
- - 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=9FFBC7BBE0271A3A5858BC312F266BE0 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3876
- - 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=DD5C5C707470F69A5BABD73E55CA9CB5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720
- - 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=11F649D0AC2481CEBFA66C41A56B9C64 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3828
- - 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=422785F26900790B5722EFCACBFDC9F7 --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=422785F26900790B5722EFCACBFDC9F7 --renderer-client-id=8 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3536

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
4fe6237b5e85e8cd398dcb19e12d1c8b

SHA1
c4b5769822b25a3bc135d8000fc613907e5762c4

SHA256
a9c2bd2cab3d22dc84bd22bc7b3ccae224f948b85da61e8e40da5c8790bcce7f

SHA512
71738e375c4f0cae824f66a7c98a390ead5034daeaa3125c0c9f67d6ae474e9ba7901dc56f7aebee28bfb3ff4c60efb17aaf9a7cb2ae2187dd7d5c3f0c9eeab9

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