6ddc9dc2f2defddcd60b3d2152ad479ad1f97afa9b1693874127366dcc39620b

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2024 08:09

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General

Target

5009f318640b526c41c0bcafd80939f5.pdf
Size

96KB
MD5

5009f318640b526c41c0bcafd80939f5
SHA1

d0a357c5e028aa7c718e6c797178b4662d35ba42
SHA256

6ddc9dc2f2defddcd60b3d2152ad479ad1f97afa9b1693874127366dcc39620b
SHA512

de69f8d3db74dfabd4879b977f153a7cf9fc7cbbc65cc40eddb2002ce732b86fbb3f56f965512d9952f161e7ff817c05f9c1de7c239c792f0037ff4a940c300e
SSDEEP

3072:1Y4nSm9AWCu6BEaj+d5sVGM5hKMwuwv1lQ2m:1t16WCPEaidiVvBwz1lQj

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
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 4760	3996	AcroRd32.exe	92
PID 3996 wrote to memory of 4760	3996	AcroRd32.exe	92
PID 3996 wrote to memory of 4760	3996	AcroRd32.exe	92
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 968	4760	RdrCEF.exe	93
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1028	4760	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\5009f318640b526c41c0bcafd80939f5.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:3996
- 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:4760
- - 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=6E993F1498D7F98E906337189DE8E3E5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:968
- - 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=942233C67C6A46B9CA5222F1A5107213 --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=942233C67C6A46B9CA5222F1A5107213 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1028
- - 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=5916799C92613C417A96B663E08578DC --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:60
- - 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=D81BE4AA9DDAA4CF62D4BFC9DAE496E8 --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=D81BE4AA9DDAA4CF62D4BFC9DAE496E8 --renderer-client-id=5 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2628
- - 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=D447F8B076563B682FBB7B71312BD35F --mojo-platform-channel-handle=2496 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:380
- - 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=26B60178878C6345DE36BE0E20DDB770 --mojo-platform-channel-handle=2228 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3772

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1332

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
64KB

MD5
80dec9f3ee3b39d3e045937ee3afd3ab

SHA1
3663482f85b7a833b5c055df7705ea9cc48a74d4

SHA256
1ce51ba40b32a862112c7746a907350b79e3629b9176f7d0b4cac5e181a33a77

SHA512
cb16a2c1098c88c31240baf069a31603c5ed01712333ef5a2a448d44c445230c76b1fb05ad0a72db0a67869e06af74525623207754c803fb857f063f92404108

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