12a5aa86bf07d7edb0cba51c27b24337dbaa9b8871449639e584c96b10c6ed45

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 09:10

Sharing

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General

Target

673ccf8f4d59a75234537d78b7c36975.pdf
Size

78KB
MD5

673ccf8f4d59a75234537d78b7c36975
SHA1

418d510120223adf43ed7fbda646c337d668725c
SHA256

12a5aa86bf07d7edb0cba51c27b24337dbaa9b8871449639e584c96b10c6ed45
SHA512

a2978e2216aa0883db85ebeccd02aeec613d8dfe9c1a977f69aad25c17802da7e41db0ba870ce508c04982839f8b308ccdfcc2ba0dfc330ba87ae0719c5a66cd
SSDEEP

1536:msnZuopM0Qcmjw93na84yhHP8/UxxFAwPWaAPRWaypexMmP89pQpBQU20au7bk:FZuKM0R3a8ZhH0WxFAw+a4oeumP8Mr92

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3908	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 3728	3908	AcroRd32.exe	97
PID 3908 wrote to memory of 3728	3908	AcroRd32.exe	97
PID 3908 wrote to memory of 3728	3908	AcroRd32.exe	97
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 3788	3728	RdrCEF.exe	100
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101
PID 3728 wrote to memory of 2260	3728	RdrCEF.exe	101

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\673ccf8f4d59a75234537d78b7c36975.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:3908
- 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:3728
- - 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=42927186F6B776E0E53BBA8BAAAF16B3 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3788
- - 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=780A53BD7B8158CD833D73A79A86D0B7 --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=780A53BD7B8158CD833D73A79A86D0B7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2260
- - 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=7CC88E3682416F8D703776F63E4E335F --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1836
- - 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=AB644B7428AD1D2D6E814E3C6BF5130F --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=AB644B7428AD1D2D6E814E3C6BF5130F --renderer-client-id=5 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3628
- - 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=6A5517B577B572404B5E06FD991ED0C0 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2456
- - 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=8C74F8A5FF1C119698BB7C3288B9E858 --mojo-platform-channel-handle=2800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4684

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
d0289899c9caa37a15f40246eac137de

SHA1
b1272f26b0b10251334d163e728286b25ddb0b32

SHA256
d2190b732977871b800d523556d6e64510a0f0b2917e3ba7378d656406319efe

SHA512
aff1423056174a11729cfdd53dae3970d3ba0783e603359e76d09b7ce95686d2a17eb7103bacac2291aa998ca4412283959984dc387eb6047d0d896dc0f0f292

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/3908-26-0x000000000BF80000-0x000000000BFD0000-memory.dmp

Filesize
320KB

Download