bba3b3ee4be83915e0d15b5550653976d0f93d20529576625e39bd722af2d37c

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 01:15

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General

Target

760005c6aba8aa497793406e31d04fcf.pdf
Size

71KB
MD5

760005c6aba8aa497793406e31d04fcf
SHA1

91401c5e612134b832c9a909d47c737662f03e62
SHA256

bba3b3ee4be83915e0d15b5550653976d0f93d20529576625e39bd722af2d37c
SHA512

77e4bf2edd4df03d7379f4d59a3fa5f586662327fbec6674315c914158f8147965e31f24ae1057dfaf050176b693b1c247d1d9384a756fdaf222c8e41b6aef64
SSDEEP

1536:hbLEIKBwQTqc2TFvlDey4kmwic2nVxCwtw2nPVVLlkKn78NzX:lgBwm2TmjJBVxV1nPPCK7IX

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2488	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe
2488	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 3676	2488	AcroRd32.exe	90
PID 2488 wrote to memory of 3676	2488	AcroRd32.exe	90
PID 2488 wrote to memory of 3676	2488	AcroRd32.exe	90
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 632	3676	RdrCEF.exe	93
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 3692	3676	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\760005c6aba8aa497793406e31d04fcf.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:2488
- 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:3676
- - 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=21958FFBF548348A63052F3F04AAFBC4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:632
- - 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=0233073C6300CDD44EA8C7B5C40FE844 --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=0233073C6300CDD44EA8C7B5C40FE844 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3692
- - 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=48B99E4DB64D59299F37CF133D9935EA --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452
- - 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=4B07BFB7E3021D8CDE40393005B08083 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:448
- - 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=BF6F8E390352CA7D94BA22B99639566A --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3704
- - 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=42BCA76511EC62956D47E0AF3FE42688 --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=42BCA76511EC62956D47E0AF3FE42688 --renderer-client-id=8 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1092

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3304

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
4ec3f1ff6ba0e92a56e377ff0009e1b5

SHA1
3793786f93480d25f651ee169ef1c7b9b989cab1

SHA256
560f225730e3f3163d3e30abba6c7b6dfbfd60459982fd07b128395e474d9b2f

SHA512
9205290decf16e78322ed8d588b81d142bcb6c4f780f5693a2f979ba7c50d827874dd51d1b888d65daeba32c62954da26e163415387c7620a024a60dba3463ca

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