edcbe78fc657d4fdf827ee5ecd9fbdaae61d5ca7ac6093abd35d384178170733

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/01/2024, 16:54

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General

Target

3e82e549f665a077ec60b237ecef9e76.pdf
Size

35KB
MD5

3e82e549f665a077ec60b237ecef9e76
SHA1

c8ec38b13b9daab908cb9983ccb8df894100fb17
SHA256

edcbe78fc657d4fdf827ee5ecd9fbdaae61d5ca7ac6093abd35d384178170733
SHA512

e11244aa92726961935ec18e98d30ec74c17418bbab8b29ceea4b51ced46bb54a19e198aee5a2b89ca8784d252f70412d313d72c879e3c251c8ca637b98b4565
SSDEEP

768:lfL2q7/xUjTqmDECq5bUF70ujzBxVt1qvqiC4spIbDpF/SKKZHWHaNdiO+GB22:lfL2qrxYTqmDECYbUF706zBxVt1ZpaVI

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 3232	5076	AcroRd32.exe	91
PID 5076 wrote to memory of 3232	5076	AcroRd32.exe	91
PID 5076 wrote to memory of 3232	5076	AcroRd32.exe	91
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 872	3232	RdrCEF.exe	92
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93
PID 3232 wrote to memory of 4124	3232	RdrCEF.exe	93

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\3e82e549f665a077ec60b237ecef9e76.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:5076
- 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:3232
- - 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=06AB6D5C4DFEA10335073B12B2DD5DBB --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:872
- - 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=8F4D5DA9D6AA581CBB7081D51AA63894 --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=8F4D5DA9D6AA581CBB7081D51AA63894 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4124
- - 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=A3D840F3E766BC92A7261A79A57A6EBD --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720
- - 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=B6B189F020CC94BAEBF5C92813B3FB38 --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=B6B189F020CC94BAEBF5C92813B3FB38 --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2920
- - 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=88A7D4AE1CF158B5AFB3DFFF63A23022 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3148
- - 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=ED244510D4FAF41E62E18CCE8088B0A5 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:684

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2464

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
aca025cda14d664bcea4d348431f38ff

SHA1
c906fb5a69f4bfaf4cadcf3083b9a07da7d25d26

SHA256
808ea15e3bb4d4f4f7292b058c89dc0616d20c8035ad8e344e41510aebed4f6f

SHA512
bb50e0824c8f3adcd4244c9ee2f80bc9492a0b171e001ab296b971174ef53137ac7bc413ec9824de44a922f5c6d3df7067a230fdfe5b522b5501f8b2d805eef5

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/5076-27-0x000000000A2C0000-0x000000000A2E1000-memory.dmp

Filesize
132KB

Download