88c1daea58e2585d2c3501b6cca17c7b14da72d665406d1a7deb1bde58dab860

Analysis

max time kernel
143s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 05:29

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General

Target

3c02441415af50a0d4be4307e15abe6a.pdf
Size

84KB
MD5

3c02441415af50a0d4be4307e15abe6a
SHA1

165d0123512a8543327a6fd0f22ba8f0672cd301
SHA256

88c1daea58e2585d2c3501b6cca17c7b14da72d665406d1a7deb1bde58dab860
SHA512

6e52b3139a8c873970a9c09650e5b1a6a588cd9bbd1a20785ce73f21d6ec8346cefad4db7035460f87f67067a61e8620b38e2fba98e09036522c03dfbe268f73
SSDEEP

1536:IHGj580zkeJ/TtFzt/yi/uMF6MbrdCQDpfv1FaKDs+mpTaWWaw0iVWuMLWQpOCix:pzkehd/b36MVCQD9vSKDs+mlQfbVWuM4

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 1224	2648	AcroRd32.exe	91
PID 2648 wrote to memory of 1224	2648	AcroRd32.exe	91
PID 2648 wrote to memory of 1224	2648	AcroRd32.exe	91
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2124	1224	RdrCEF.exe	93
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	RdrCEF.exe	94
PID 1224 wrote to memory of 2848	1224	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\3c02441415af50a0d4be4307e15abe6a.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:2648
- 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:1224
- - 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=CD8345DE7C88D44FF439B6DF25834840 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2124
- - 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=1876E5F5DEED01F4B158583673A9E957 --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=1876E5F5DEED01F4B158583673A9E957 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2848
- - 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=8DA584DAD3C17ED66A46052EEADCC0D9 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1000
- - 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=6F07344C84695DD48DFD4B10A9856A7F --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=6F07344C84695DD48DFD4B10A9856A7F --renderer-client-id=5 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:852
- - 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=04210B26E77B8B9401C5417A49B963B6 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4396
- - 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=DA4A66C1C9096A514BF213AF446CB8B1 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4348

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2788

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
b3794303d024e32ee7d2ee2fa57774f8

SHA1
179feccd27e1a5d1977b51a7002b723edfdaea07

SHA256
2c6b1cbf385588d5b8462b9f6a7a3157963e1861952c94d287d1da9a3e28c95d

SHA512
3d5136da234f918533543b33d986e14151c2b98933e6d32d684b1db8d04b0303bdf8b11bdd13cfbb741728a9f3093a530227cfca1f600d8ba49a7c36d077bd04

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