b5edf019d99b5162b704a034537b4f014812217c50e82c8a25acaafd31e71212

Analysis

max time kernel
145s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 12:48

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General

Target

36b008f6e9a413c4601fc1bfadda56c0.pdf
Size

33KB
MD5

36b008f6e9a413c4601fc1bfadda56c0
SHA1

99e8c6059ee3117eceddde54236198754f9d4880
SHA256

b5edf019d99b5162b704a034537b4f014812217c50e82c8a25acaafd31e71212
SHA512

a664eedfaba2d2ff6b791dea6e3c8ecd6b90766415ae28f614b9696d16641d151ed956a3107b33c9e7d47bbcf69dbaf0cbed24122d8138c1d3b4ff399f342db4
SSDEEP

768:Wi21iYssGjb6WsWxMLCQ8GQaVw2wWWm+tuh/TGQ:Wi2MNjb6VWaLw2rWm+ITGQ

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 3464	4328	AcroRd32.exe	98
PID 4328 wrote to memory of 3464	4328	AcroRd32.exe	98
PID 4328 wrote to memory of 3464	4328	AcroRd32.exe	98
PID 4328 wrote to memory of 3232	4328	AcroRd32.exe	101
PID 4328 wrote to memory of 3232	4328	AcroRd32.exe	101
PID 4328 wrote to memory of 3232	4328	AcroRd32.exe	101
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 3644	3464	RdrCEF.exe	103
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104
PID 3464 wrote to memory of 1336	3464	RdrCEF.exe	104

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\36b008f6e9a413c4601fc1bfadda56c0.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:4328
- 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:3464
- - 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=066252C98C3C511BB9B105E1638FF311 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3644
- - 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=BBED57593816A522F8C923C3F509FB14 --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=BBED57593816A522F8C923C3F509FB14 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1336
- - 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=5244DAF09F4C6E3D65AA154918D5D5BF --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - 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=FB7FB13B3544AA9E8846FCB23BDF7152 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3740
- - 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=BB20195213C3184A2ACD1944766F93B6 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1428
- - 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=600FCC37F56F23CEA2A20A077ACE995D --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=600FCC37F56F23CEA2A20A077ACE995D --renderer-client-id=8 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5100
- 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⤵
  PID:3232

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4588

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
04e942d99187a115bfa099a5cf2191cc

SHA1
831c6aa9f13463941f1aeb5ce73e36290d8c7e7b

SHA256
fe28a32e0810d4cecc7795b24061c4d2ec723b6cd41ce126b11cfe7e8f040f9b

SHA512
0aff5f5b3b47a8d53cf506c91d76877a31a80519a626fda0353b0b4a14674b50075230b0974365180b8f01ddd78caf7cafc169cae33ef0f1f92837c592ced210

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
memory/4328-164-0x000000000A350000-0x000000000A37A000-memory.dmp

Filesize
168KB

Download