8ac790e266d3e9af379ab27bc50a638948603827a87077f1efab85e5c55843d1

Analysis

max time kernel
152s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 18:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

inv 2016-1405.pdf
Size

165KB
MD5

5c40ed33052078d9d07a6813b18dd85e
SHA1

6fd7f1eaf003b5a2690e66842ea02a8cf5061ea7
SHA256

8ac790e266d3e9af379ab27bc50a638948603827a87077f1efab85e5c55843d1
SHA512

d441d937af26b0226aa0bc0f16e58a608a809cc35f8165584912b2cbb8584a6153e3fcb718c0acc34a314643c1f86c1c959daff3e0af4bc7f4a0fed154951172
SSDEEP

3072:qtf5LwbEFqbwlDgvf5fn8kae+UTKl2Na+2nl:+FOmHZGfn8kae+UWAs/nl

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 4556	3564	AcroRd32.exe	92
PID 3564 wrote to memory of 4556	3564	AcroRd32.exe	92
PID 3564 wrote to memory of 4556	3564	AcroRd32.exe	92
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 3052	4556	RdrCEF.exe	93
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	RdrCEF.exe	94
PID 4556 wrote to memory of 1932	4556	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\inv 2016-1405.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:3564
- 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:4556
- - 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=541DB65139476BC5D3B0C2DEA70C4FD5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=0B4F00390C009866911FED0C30121007 --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=0B4F00390C009866911FED0C30121007 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1932
- - 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=24B1C06EFBDCDC5D1C86055CA9B85ACC --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=24B1C06EFBDCDC5D1C86055CA9B85ACC --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2224
- - 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=DA626478A642B098A52B221DD3D50692 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4780
- - 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=E23C70780300BBB8197712E875C8261E --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4936
- - 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=BB7EC7BFB90473B29D73B40E39005E44 --mojo-platform-channel-handle=2716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3192

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4872

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
bc49a5fe1f60010b353928c229f2b1c5

SHA1
cba9c589238ac59da0caf0974efc5e641c20086f

SHA256
cd6fd6ee96707c41d31440ee9ffb16c5a0e890d727d4a3ef8fb7b966facf12f3

SHA512
43dc21a79e76806bb1a37eb98186adf411f15958eefdfb7bbaeb23a41b4641fab611aac550dbc666560bd2bc90baf727a8fd066c83ee0d9c6a099e0ae9a6993e

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