2912ad50dbdcb88b1764c138190845fc54ff5cd21a3a39a475c44f88e8e81a1b

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2023, 20:22

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General

Target

tmp.pdf
Size

94KB
MD5

aae1590cbfe55f597232a6590c6429f3
SHA1

d9ac2ae796ca42fffc8a0ffd4375d67f100c0692
SHA256

2912ad50dbdcb88b1764c138190845fc54ff5cd21a3a39a475c44f88e8e81a1b
SHA512

1967057a74a1328f6767cf7372ba821bf78825427c733c7ba0ca104dd6b0f45f7c928e712735e6539f27eab3e6581ed94da618740200ae013cd8675d2c4cc7f7
SSDEEP

1536:wxYcCcTvaSmLg8jse7rWR1EVBFKyyjx6ukoE+nLOSHDJ6e+uP6YfljlrJYn3sR8:wxpCcTmL4eP+EI/IIOkDJ6e3rljlrJSn

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-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 4688	3888	AcroRd32.exe	97
PID 3888 wrote to memory of 4688	3888	AcroRd32.exe	97
PID 3888 wrote to memory of 4688	3888	AcroRd32.exe	97
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4952	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 3136	4688	RdrCEF.exe	99

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\tmp.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:3888
- 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: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" --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=09E407162E92D1EFCC7E07A1B9EE9537 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4952
- - 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=184C97EAE5E1F9C2097DA512A5F55224 --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=184C97EAE5E1F9C2097DA512A5F55224 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3136
- - 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=2EA672DFEB36B423F402CF449CAE7CB5 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1552
- - 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=33A0AEEA85D23B6996FBDF2B3EED123D --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=33A0AEEA85D23B6996FBDF2B3EED123D --renderer-client-id=5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1384
- - 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=573DDA166809670CF8F1EC53A56D156F --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:440
- - 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=28AD1C407CF7D3B2A2275075745CFEB6 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2500

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
faf7e3c3f93469718df3be37cd057e02

SHA1
76d5381f55e0de7becb173af3db550bdaa2b1799

SHA256
1868841d9a15c8030ad5afb5091c11bd65024b3c90f346ceb8be648cb4ca2389

SHA512
4f6b8286281fadd987def538df2a449d0dcaa6f8159daefe822c4c41c4b33ab3cf3798e17e1e8cf9868ae0d7beec108584c0a96f22bef21548a0827c0e32ba47

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/3888-28-0x0000000008620000-0x0000000008641000-memory.dmp

Filesize
132KB

Download