d9d289b6dacf9d854fd22639752f71668a8d23ccdf9c992fb7aa305eef3cf8e0

Analysis

max time kernel
174s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 10:35

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General

Target

1616b36cd8d9fbaf61db5180721695f6.pdf
Size

87KB
MD5

1616b36cd8d9fbaf61db5180721695f6
SHA1

6e92efa86cb82ab0986aaff712b48d8d7dac5c6e
SHA256

d9d289b6dacf9d854fd22639752f71668a8d23ccdf9c992fb7aa305eef3cf8e0
SHA512

e7022da4a2dd603b09cfd0841ee9abfadaa8f514d0bf9c40f8260e6e1ef3863287f7768659662a36de43cdc080dff5117834d484b5b92461e7a1a8378f44dc43
SSDEEP

1536:9ZghjPcWB94J4c4Ga7Eyj8grpwj2We1ZN0iW0NWgPvmXLZx9SHXWcpOmSdA:8hD3u4c4Ga409Nwu1ZqevOZ2HGmb

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 3064	772	AcroRd32.exe	96
PID 772 wrote to memory of 3064	772	AcroRd32.exe	96
PID 772 wrote to memory of 3064	772	AcroRd32.exe	96
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 4916	3064	RdrCEF.exe	97
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98
PID 3064 wrote to memory of 2428	3064	RdrCEF.exe	98

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\1616b36cd8d9fbaf61db5180721695f6.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:772
- 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:3064
- - 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=8890AB32562CAC74CD1E54B9B3BFBA0E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4916
- - 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=2404EDC98C80F353E306AA0D9B0AC07E --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=2404EDC98C80F353E306AA0D9B0AC07E --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2428
- - 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=03BA968AED78BA9FBF7346FC01DC80B1 --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=03BA968AED78BA9FBF7346FC01DC80B1 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3384
- - 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=5CC1FE511D054C8B5EB861317374A443 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3000
- - 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=64FE8E4C8124B17A2D079EF82A30426A --mojo-platform-channel-handle=2568 --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=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=03AB51D8DB1A7E03767E9983FC602F0F --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3412

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

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Downloads

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

Filesize
64KB

MD5
0f3e761a2239a04dad48fda6327eae1d

SHA1
7790505cd69b23b95a377a335a8a32212fd46e77

SHA256
4c34f4da02f5b001d9c5e5d3ea85f33624ccc145c4636590e00d19290513632f

SHA512
8c6db765d27ee68645a1c6e1c379fa7868160e22d7c24ae80a8807dcb615b94d36f482063ac8a9892fb826f767da93f79acc99a3d968e2bc2065101efba12310

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