57c23088bba3acf1850e6b60052c20020faa02a79fc6dea69f18dba3f5735f8f

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 16:12

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General

Target

b51e626e527f9f23eef77006d6894d9f.pdf
Size

79KB
MD5

b51e626e527f9f23eef77006d6894d9f
SHA1

11101c2622c1e2ee8a2073e80560b9293e9277b1
SHA256

57c23088bba3acf1850e6b60052c20020faa02a79fc6dea69f18dba3f5735f8f
SHA512

f99c54ac8130772922f3204ff0695ce11af667f0dd0fffc733a8e6954da095c9d95d5f327766d5ffecb88b821cbefcad00558c7c5718bd2548b3d1b760283f79
SSDEEP

1536:rsV2ybXlA3srO59ZT/6NzgwMyHh+Hr6yWHpOvED97522WWdVkQFNBOc+:AVDqsG9ZTefHwHeyvE528VPFXm

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3488	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 4960	3488	AcroRd32.exe	91
PID 3488 wrote to memory of 4960	3488	AcroRd32.exe	91
PID 3488 wrote to memory of 4960	3488	AcroRd32.exe	91
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 808	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 4344	4960	RdrCEF.exe	96

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\b51e626e527f9f23eef77006d6894d9f.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:3488
- 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:4960
- - 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=F8AAE448A277AB0846A90C471EEDDBFF --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:808
- - 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=8EF34FB5A6301042349563243C9A8129 --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=8EF34FB5A6301042349563243C9A8129 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4344
- - 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=F2356125200C446FE76C687DB86F2321 --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=F2356125200C446FE76C687DB86F2321 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2060
- - 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=B6177CE411839878550D911E9D4F7A39 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2700
- - 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=763490E68C5E0EE6C57DDC3915A08F73 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=899D8E14CB45BCFEA196BDC3D34585B9 --mojo-platform-channel-handle=2492 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5084

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2256

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
def1a8ff4f9df87de4ac2041332d3e5c

SHA1
ec9cd348889c369988aefd1046dd6c7715a56d32

SHA256
217259075002f18f81eb8c99fe80e6e895a04515c6eb6ea62aa16a30e11f6c3c

SHA512
44761bbffe9247dc74403cb463e4d2699b6c0ad5e657bd246176b5c73c902792649dee34522892cd913db15084c04283675249c7e6d187f8f0078c30350d705d

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