9525fdab34f492d6fb59d12d245ceb73e33dcfc43eb45af8a32afc6846db4e48

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 12:11

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General

Target

1c5b8ee5803f9237e2f15e940b00141b.pdf
Size

94KB
MD5

1c5b8ee5803f9237e2f15e940b00141b
SHA1

96dec43c55282c384c76bcf15bd9e81ab3c884e8
SHA256

9525fdab34f492d6fb59d12d245ceb73e33dcfc43eb45af8a32afc6846db4e48
SHA512

4489dc478f9718bd741ebf2284aa9d8e314ca0c42caa8654e43800c82b8a3f0489b5ffcfaca2ba5451dbd32d3ad9a5b52bdb4e1a99e6fbbaab2d530718bcff14
SSDEEP

1536:0GOdV7GIUNj2q6D/Tmjw2ah9asuoMMSfmrnt8E9NKRbxp/N4JrM5pWi8Qm3UBjcB:83hUNN6ejT2PuorSf6tEZ//N4JrM5x8R

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3784	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 4560	3784	AcroRd32.exe	89
PID 3784 wrote to memory of 4560	3784	AcroRd32.exe	89
PID 3784 wrote to memory of 4560	3784	AcroRd32.exe	89
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 5060	4560	RdrCEF.exe	90
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 4692	4560	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\1c5b8ee5803f9237e2f15e940b00141b.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:3784
- 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:4560
- - 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=641C954F4108B0325FC88439804EC581 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5060
- - 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=203C72C4511A85975739441D31A086B4 --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=203C72C4511A85975739441D31A086B4 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4692
- - 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=D830E64F3EC723F724E54C4BF5CD27BD --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2364
- - 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=365F7E8140A25209F8CBB305ECF96DFE --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=365F7E8140A25209F8CBB305ECF96DFE --renderer-client-id=5 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4864
- - 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=6FD93F17AB378F1ECC3ECC29BD705759 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992
- - 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=0A84602BC3196280ADE95A07163243B5 --mojo-platform-channel-handle=2756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4748

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2528

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
70fba7f3fc795030a0dce6a4c53635d4

SHA1
4f6c06c3179d770df5a0cf3847f4970a7b7e2bbe

SHA256
d38514fc3fa45863079a04fd208f7002183427149b9da1d0f023887a5d690d2a

SHA512
6d14ce2529c56836d8c0de276183d15ae07af2b4d8f5bd9855e38a5f4a2f6254a95ba0d423cd878cbbe1918b35d649677caed5e70298116a53a0ea91af2b6860

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