985059faee1b600d01f6a3df3f637c1be7e93317d6821c8e6cf4eeb206fcfddf

Analysis

max time kernel
149s
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
26-01-2024 07:41

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General

Target

76c725c643cd548ff6492e58a4ad47fb.pdf
Size

42KB
MD5

76c725c643cd548ff6492e58a4ad47fb
SHA1

a7d47cfb68d5bf5e1f4b2da046f3e354d61e8dfb
SHA256

985059faee1b600d01f6a3df3f637c1be7e93317d6821c8e6cf4eeb206fcfddf
SHA512

adb115954318a8e592a1528e793259dbc7f6556bde9b4fa39d36501e051af476b5105a47eff476d14ba74d0603d3980ca4ef5ce9e6ac236afc85ba81b4a6dce5
SSDEEP

768:yci6EMYgET+lUTQ7x+n9fFpeBncGUi7jRC4rEyFpVDzZ1HFJeAluksa:Fi6l1ETnskMBnljsny/VB1XeMuksa

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3800	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe
3800	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 4232	3800	AcroRd32.exe	92
PID 3800 wrote to memory of 4232	3800	AcroRd32.exe	92
PID 3800 wrote to memory of 4232	3800	AcroRd32.exe	92
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3048	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	RdrCEF.exe	94
PID 4232 wrote to memory of 4500	4232	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\76c725c643cd548ff6492e58a4ad47fb.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:3800
- 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:4232
- - 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=EF4F5F8D9D03F2DC7E0246C18B0FC809 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3048
- - 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=2143AF06EE17B2431BD2E6D533B43964 --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=2143AF06EE17B2431BD2E6D533B43964 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4500
- - 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=3EB13841603756D274D78D54CB852C63 --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=3EB13841603756D274D78D54CB852C63 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1240
- - 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=A13DBE1CC5DC78C3F2F4993AC8682B60 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3696
- - 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=BF79B442DD6B0C96D0688BE7A27E64B6 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1552
- - 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=2240D9460D20CB398F9AD96E368E3310 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3616

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4656

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
f3510aa4f23bcd594a2eccf031ab2cb4

SHA1
5c8bac14d097faa368ee9050e8545bda16d3a7d9

SHA256
cb1cea7dc33d0efac1759b33b915ba62dc3610cd67e4f6992438212ec74915c0

SHA512
0009dd0f4cee27ba2f06879a04a31b09105792f2d8da6f7a07ddfef889d0abe1c757de316830b4d9ca05a24776bdae1c9f573a066e9aee1e19ded14ed0eaaa2f

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