e13451ada4ef831450fa707b2703f33795ae3c5c53a1e8f4ccd741eacf8eadb0

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 19:01

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General

Target
a28373e5a8974a8c4a10798daefd8cd8.pdf
Size 33KB
Sample240224-xpcehsce9w
SHA256 e13451ada4ef831450fa707b2703f33795ae3c5c53a1e8f4ccd741eacf8eadb0
MD5 a28373e5a8974a8c4a10798daefd8cd8
SHA1 5c5f57dd08203322f57c9e5d7c3522e439a1bbd5
SHA512 0255e656a26c6f28cea196c38be9e56e18b0eb35e1b9d0d6bad85964fafba07690dae85aeca55f4f1f1baef9beefe97daa0dfcee5b9b70392e22f7540b948d65
SSDEEP 768:YgGzpDWeWp2GlqEqT+ITS01U0UMZKpvJIdCD:1GFyeCXqFPUM+JIcD
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-2200714112-3788720386-2559682836-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 2384	1532	AcroRd32.exe	89
PID 1532 wrote to memory of 2384	1532	AcroRd32.exe	89
PID 1532 wrote to memory of 2384	1532	AcroRd32.exe	89
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 3656	2384	RdrCEF.exe	90
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91
PID 2384 wrote to memory of 2940	2384	RdrCEF.exe	91

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\a28373e5a8974a8c4a10798daefd8cd8.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1532
- 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:2384
- - 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=DB03DC39406F46D4720DB51A6917327D --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3656
- - 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=0360548C0186BC42C0C7B8FF26FB4C99 --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=0360548C0186BC42C0C7B8FF26FB4C99 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2940
- - 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=E76ECDF1C07C8E322FE980C07D0E6172 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4056
- - 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=DBDFB8028E27CB7AC9A4452C0AF54207 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:444
- - 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=5D12B99C6DBD8E0E8F4E78BD1E825ED4 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3416

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 a94a6e702121a0e01767ccf9cfb83b7e5401dee90288b7580af1c0c0a311498d
MD5 30ace264d93a303e49aeb8724b89d200
SHA1 4c8600a5c830acf56ae2111c695362cafed2d059
SHA512 01897c785115ab3fcf026c39aa18a6efe5b7c5a413ec820b96387df30c6507e2e4d82b7e9fc0b405a2c328b3093e78d0be0fa85f767ccaa88881f5148d34aafd
SSDEEP 384:ye/udThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:jJ+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/1532-124-0x0000000009AA0000-0x0000000009D4B000-memory.dmp

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