845bff63c59752367e05254ef4edf8a446f81a541ea5306a674bf8a1a7a18d42

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 17:16

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General

Target

07f172cbe17abd188e667356d4cac356.pdf
Size

83KB
MD5

07f172cbe17abd188e667356d4cac356
SHA1

fd238b9d7f917ccd859096eda905ddbda3ee48e2
SHA256

845bff63c59752367e05254ef4edf8a446f81a541ea5306a674bf8a1a7a18d42
SHA512

67642abfbfef543431b9fbc7858d4f6c73d6d7c05316b8c18b98a6c472acb1445efa5a67618ccdc99a08f9b9fd28d5295e944153e08c92e5781c4e7bfd5a6e11
SSDEEP

1536:en0O8mWjCUql53dmwa+PZoT/wnQ5fuldvSSfuAxOnMzWXlQOQqp4YZWbpONYIv:FO8D2U0PyT6QpubvS+xOnMTBqp4YbNN

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4548	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe
4548	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 3796	4548	AcroRd32.exe	93
PID 4548 wrote to memory of 3796	4548	AcroRd32.exe	93
PID 4548 wrote to memory of 3796	4548	AcroRd32.exe	93
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 1684	3796	RdrCEF.exe	95
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94
PID 3796 wrote to memory of 2176	3796	RdrCEF.exe	94

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\07f172cbe17abd188e667356d4cac356.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:4548
- 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:3796
- - 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=3E2899966A807D0323048F3A7621D914 --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=3E2899966A807D0323048F3A7621D914 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2176
- - 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=8BD8C32D593657716BD3F0ABA2788A7D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1684
- - 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=A5E3BD32F577E28DA48585F249476D31 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3988
- - 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=B57EB55E4171296D945EF5B678AF88EC --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:508
- - 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=2A1B5696F5C9F10531CA2C34D1EFD4AB --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=2A1B5696F5C9F10531CA2C34D1EFD4AB --renderer-client-id=6 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:964
- - 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=78C25BC3F155447E424EFA19C004A03E --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:772

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1824

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
9c0e479f5e0fbd543eb3c3c87e275053

SHA1
5554cc97744f8ca0e03e8fc50e6b0f8a0893b6ed

SHA256
d05c20dfc71e93396fa53e661d5eb383619f66878bb071a23a235ca79929c130

SHA512
0a267b2895e6f1b5507e4fddd44cd1bf23a21ee7b2ef6985de6fd48fe36a077edb1070313a31b27c14cb1de7216f59da5106d15bf85eb8341adf2359b3ebee53

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