62a88d52b2377b455e7a52b495b4901f76de79b2375525a6cfa6ebdeefdf616f

Analysis

max time kernel
140s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 00:39

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General

Target

9a55f7c05ff6f431872eaa1d5e2ee09b.pdf
Size

114KB
MD5

9a55f7c05ff6f431872eaa1d5e2ee09b
SHA1

2c7e636d83cef34ea6c2c2c0bcdbcdf6797a3d46
SHA256

62a88d52b2377b455e7a52b495b4901f76de79b2375525a6cfa6ebdeefdf616f
SHA512

20a9914c0214f6bf99e66732054076f5f88683d198aa79ec87a84e45341dc680f4415fe7456c7ae12939b255648047798e66a01df35a39743178f55c4050be77
SSDEEP

3072:mlkEu9Rhv15EqpQkKmw2Jy2fVXa4qiaqUsj4CCkZam2:Rh9VpkmdJy2NNjY

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 1188	4328	AcroRd32.exe	85
PID 4328 wrote to memory of 1188	4328	AcroRd32.exe	85
PID 4328 wrote to memory of 1188	4328	AcroRd32.exe	85
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 2064	1188	RdrCEF.exe	86
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87
PID 1188 wrote to memory of 4396	1188	RdrCEF.exe	87

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\9a55f7c05ff6f431872eaa1d5e2ee09b.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:4328
- 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:1188
- - 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=F336CE73CB69D801F27575AB3F08D4AA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2064
- - 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=CC345BC662EC3A43401EA47227642626 --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=CC345BC662EC3A43401EA47227642626 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4396
- - 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=A78621EAAB8C98E98407DD1209C57C8E --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=554976C0026BABE5CE41587D95A3F69B --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=554976C0026BABE5CE41587D95A3F69B --renderer-client-id=5 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4892
- - 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=B61925E619AF8000ECC15296C1F621F9 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2144
- - 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=6F1AA755F9FB1B20DE24198585453762 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4452

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
30c3f04a53cbd2affa040db0fbeb2bb5

SHA1
a5e9826f0947c3c45c1eb3e7f6d952422f7e3d88

SHA256
ef74ab4a172c749d47434e38e012df6ca5ac82db011c609676490fafd0b273c8

SHA512
9a239fe2f6ebe6a22722eae45f40b64a3f879b4cfbfad170d3548dddea9efa2fce93e6f32a31f5ec402359f00dbad6aad42fb2d86997b9098875819e6888b634

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/4328-26-0x000000000BD70000-0x000000000BD91000-memory.dmp

Filesize
132KB

Download