39082ba90dc473aaa1ba1e24da476edb7f2a031d32d0a9b5b79c2c9af81428b8

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 14:45

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General

Target

53cb980a10e9354baf1322c9c8d7ef56.pdf
Size

80KB
MD5

53cb980a10e9354baf1322c9c8d7ef56
SHA1

b399f668a0c4b6067482ee72defd55c27cb3bce2
SHA256

39082ba90dc473aaa1ba1e24da476edb7f2a031d32d0a9b5b79c2c9af81428b8
SHA512

381a4aefb94f7dc72bf4cc5def88754f7ca7bf97d41075a76008bb5702128827bc0bc7ef54ee4ed95794a64f0a1c7dc1a15ce387c1717abbe53a0594615cfbde
SSDEEP

1536:FqpkgNDXrRI/Q3227KOBzPWQ7I/2n+S7Iwj/fDyZFGQeJePo:opkgNDblZBzhE/2+YIa/byGQeJz

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
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe
1996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1540	1996	AcroRd32.exe	98
PID 1996 wrote to memory of 1540	1996	AcroRd32.exe	98
PID 1996 wrote to memory of 1540	1996	AcroRd32.exe	98
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 1768	1540	RdrCEF.exe	99
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100
PID 1540 wrote to memory of 3980	1540	RdrCEF.exe	100

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\53cb980a10e9354baf1322c9c8d7ef56.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:1996
- 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:1540
- - 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=CA9CB41669E623E757A0EA7A1F1062B3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1768
- - 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=27B93424F0F92480014D0C0652345510 --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=27B93424F0F92480014D0C0652345510 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3980
- - 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=C1D817EC9F73480C1F36F8D39189852C --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=C1D817EC9F73480C1F36F8D39189852C --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1436
- - 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=8B7D5B29CEEBC795C8FF201E30B4D7F1 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4212
- - 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=8970FA1551B71374DA1539FAB26A2F0E --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2096
- - 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=CEB3E7D51E5D0C2199DD0981892A8020 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:888

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
51c333d285c5d9b517ef18e128b8daae

SHA1
0c61745fc5fb6fd14aa0cf89e22561b851bc1e92

SHA256
5e92a657c22d5cdfbdb8d697f6be09e30f63a4be9f2b48b3996e9f1fe15585c5

SHA512
cf45388c62ce4033576717f71b23e0e9e12e7c0cc83f68f1d2141a7493c177c5311286832be51a4b866cbac82a716cc3bb719714d791c5dd2af65845dd3ac907

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/1996-28-0x000000000BF00000-0x000000000BF21000-memory.dmp

Filesize
132KB

Download