95041b17d822d603fccfab03914c2f6c158bf7da0854184aa72f70e3e2e71bad

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 05:19

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General

Target

0783ae3caaa33d72a2b50608a3a7ad3d.pdf
Size

35KB
MD5

0783ae3caaa33d72a2b50608a3a7ad3d
SHA1

84e54b1daf519afe01be927445e14d1523826237
SHA256

95041b17d822d603fccfab03914c2f6c158bf7da0854184aa72f70e3e2e71bad
SHA512

760c3606cc16cd67996d94cc51d5f2d324951c456ac0c5426af8beafa20e790d5c9c38c3e76e816be5a2a61290eca40b15e19e7c40419ef0191c02a50e92d01c
SSDEEP

768:1QBEPsEvI/Ur647W8dlDhgtdsft5BIctPh7D8BT/XCO1UYGKnaS9w5mUe9NEUA:1XgMj7W8DqtdII2D85XCOGUntQewUA

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe
4688	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 3968	4688	AcroRd32.exe	90
PID 4688 wrote to memory of 3968	4688	AcroRd32.exe	90
PID 4688 wrote to memory of 3968	4688	AcroRd32.exe	90
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 4756	3968	RdrCEF.exe	94
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93
PID 3968 wrote to memory of 3332	3968	RdrCEF.exe	93

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\0783ae3caaa33d72a2b50608a3a7ad3d.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4688
- 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:3968
- - 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=F79F459C1746A0050A4E337EC54540AD --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=F79F459C1746A0050A4E337EC54540AD --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3332
- - 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=A9BEC4E7A459D64B44AB93DE204A83D9 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756
- - 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=8A7FBD6528E2529F19A9CC198D2E8870 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3188
- - 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=85151A2D02D1AE585CB1BC7F11089657 --mojo-platform-channel-handle=2488 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4752
- - 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=3661C3CF5A5235443D63006876C325BB --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4652

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:952

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
d9613bdf00ede5fc2db61d7a3baec93a

SHA1
5f587ff25b5011310831124eccf2da02a69ad5ef

SHA256
aa0a5d69a4091f48de2e7156c4e513b22d062b598e198d6b888c3261ff9ff54a

SHA512
6710546ea414ddf0db2645b0cfbd6b2ae8e45908212c3fe68f85abeefd5e047d442e3ab991ce2c89dad12f36c720368909cfbc6325ab639fd123ef6029cd6324

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit