0b5e23d437a9bac045d8d5b877e6686d530cea2024d3bcb93a0b6516fb9d7ceb

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, 13:12

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General

Target

2ef74da949d3ccc2ab051038e433b644.pdf
Size

76KB
MD5

2ef74da949d3ccc2ab051038e433b644
SHA1

35147bbdc69576bc07620fb0b53d8f1042be6605
SHA256

0b5e23d437a9bac045d8d5b877e6686d530cea2024d3bcb93a0b6516fb9d7ceb
SHA512

e83e2de36900ea0ffd2537266024f8c7e268a27939d63c018eb92330297c8e0889ed8c683d5cfe67882d477b8de0a4e93791d8bde1e22f1d955d4b4d4d65c94a
SSDEEP

1536:kW8WVLIINHKWAZBrnUBDZFUTEFujP1gbxFMWHpOvTWHCT3aZFzQJcs:f8WtRKXxnUJZFUTfz4rEvsYaZW1

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3052	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2824	3052	AcroRd32.exe	92
PID 3052 wrote to memory of 2824	3052	AcroRd32.exe	92
PID 3052 wrote to memory of 2824	3052	AcroRd32.exe	92
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5088	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	RdrCEF.exe	94
PID 2824 wrote to memory of 4568	2824	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\2ef74da949d3ccc2ab051038e433b644.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:3052
- 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:2824
- - 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=762F6708B7A4814E38D14CD744624797 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088
- - 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=218C5E763E7D5DDF56AF3CD5D01990CD --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=218C5E763E7D5DDF56AF3CD5D01990CD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4568
- - 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=F6A2BE0A44ECFEC6374FEFA629F3180A --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1488
- - 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=2454EACA89033CC3AB61D7886370FC8A --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=01C5E26DE78976FEC120DFCBA9688AC2 --mojo-platform-channel-handle=2196 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:936
- - 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=D3CB122FB730F00D5578F7F0B537287C --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=D3CB122FB730F00D5578F7F0B537287C --renderer-client-id=7 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1660

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3132

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
540d513c779dea055e5a674ac52d34a8

SHA1
4317ee97fb019000b194ce44dd5e25568038411b

SHA256
70e14422d7a04123179811be4e74497300863953c310443c8e10f70c1a6d1980

SHA512
262446316b0bbce7cc0cbfa85c72aa1aaa099710ba854c148380cecfcebc5fb9e30213376080cdc73a2d41201f7e014aa4b977571ae0a99c13fec2fac591dc23

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