0738d0e538a8aa624ea1df436751ebc75871580cb8df061cddef3de534f34cab

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 20:38

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General

Target

c18bacd4591c6feb6d3feefdd8527647.pdf
Size

87KB
MD5

c18bacd4591c6feb6d3feefdd8527647
SHA1

4efbd74584a429be013246ca6a879348f827a3a3
SHA256

0738d0e538a8aa624ea1df436751ebc75871580cb8df061cddef3de534f34cab
SHA512

f67953809263cfa3d798f1e0bca639362d50fd18069e3f14901cfdc6fa3dce49fa4834c6bba7d09a0e262e6ea63508e3315536f04b6270c9a67b63ca064836ff
SSDEEP

1536:Mklq09m0R/YCfW/QrpLjIdsA7QolKeJiuxUBYWUWypOlLlKw4RfoMLz5WcWeiNHF:W0JjnfI/Qogewux0NFlLlKw45Vt2ixdA

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2036	2812	AcroRd32.exe	92
PID 2812 wrote to memory of 2036	2812	AcroRd32.exe	92
PID 2812 wrote to memory of 2036	2812	AcroRd32.exe	92
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 2752	2036	RdrCEF.exe	94
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95
PID 2036 wrote to memory of 3936	2036	RdrCEF.exe	95

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\c18bacd4591c6feb6d3feefdd8527647.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:2812
- 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:2036
- - 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=B24958CC113BFF39842F419287386883 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2752
- - 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=8CC95FB34D7CB843CE8FBA7705721F8B --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=8CC95FB34D7CB843CE8FBA7705721F8B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3936
- - 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=312945D87A8209B2157701B69D3AE3E6 --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=312945D87A8209B2157701B69D3AE3E6 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    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=3748F216680627353E30FE19149DD2BD --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4748
- - 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=0495F2914DA0E7D8F80B32DE129AEFE7 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:216
- - 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=614E936A2BB2D828EC381AF7A2B7E666 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4600

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1052

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
fd398202464c1026f94fb5333f5fb088

SHA1
08506fa423ceb69c3faa4608b5f5246d8eb20a8a

SHA256
a82bd7b1b72afa27462ddbaac881a840b9cefb01b495d25793dd89725d8b30a6

SHA512
063078a7a89ab0b404982b259b5b15c4a54b0a20c5caaff5a787d429ff6c6857dc61df817cba337a6276f9f517dd105980d0910d92b36a4f7e40af493d36e2d1

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
memory/2812-28-0x000000000AD00000-0x000000000AD21000-memory.dmp

Filesize
132KB

Download