f436d9982fa464312947f23eb3e78e360386b37efe70ee6a2b06063fb5acbd01

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 07:41

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General

Target

c556a3413d36f82f2783fda3e8dd3169.pdf
Size

82KB
MD5

c556a3413d36f82f2783fda3e8dd3169
SHA1

2e32cb0f43e8eaded6781bda644880b325aa99af
SHA256

f436d9982fa464312947f23eb3e78e360386b37efe70ee6a2b06063fb5acbd01
SHA512

62cef19e52bd5fb405d833b578478b85eee91ad03a4416ccf0b1ab83de8aa1ef25a43b164a40bb3256c0bb7c6fb9edde78f1bfc090fbe1d59b057b6362aa608a
SSDEEP

1536:qSWD1UkvFxtXozt8dVJfrTj8PXiIjpWUiIzzaXXxn0nDG7WmlWUpO7Qon:Vo/v5Qt8/hsviI3zzwxn0sWZ7/

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4392	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe
4392	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 2152	4392	AcroRd32.exe	105
PID 4392 wrote to memory of 2152	4392	AcroRd32.exe	105
PID 4392 wrote to memory of 2152	4392	AcroRd32.exe	105
PID 4392 wrote to memory of 4904	4392	AcroRd32.exe	108
PID 4392 wrote to memory of 4904	4392	AcroRd32.exe	108
PID 4392 wrote to memory of 4904	4392	AcroRd32.exe	108
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 4308	2152	RdrCEF.exe	109
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110
PID 2152 wrote to memory of 3468	2152	RdrCEF.exe	110

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\c556a3413d36f82f2783fda3e8dd3169.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:4392
- 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:2152
- - 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=14637C188C04907C5363A6535CC96BAF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308
- - 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=410712F9264E63C487DBA6EB7277B28C --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=410712F9264E63C487DBA6EB7277B28C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3468
- - 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=3AAC2E09B1203B74110650225E34FB1D --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=3AAC2E09B1203B74110650225E34FB1D --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2872
- - 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=15625A822BCEE89B087CEC28166BDDCF --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3516
- - 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=67BF6B75D8C344B89BD3813122CD5B9E --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1708
- - 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=568724F7AD08CEF35835569C39D1E811 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5148
- 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:4904

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4208

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3956 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
1⤵
PID:5152

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
bd0fff91424c26aa0ba1e98af44e824f

SHA1
19a257ab5390191182199967937524b70ff2be42

SHA256
2ea6050ccb8c3035d0b520a34f84535a4810ae6e6781131ab1ba2c0345045602

SHA512
3f0a3c16caae9b2236acdccbc741e854cab108b24c1519bc43fec17f13091cf99f487ca08491671e77e195c8b12be8c5d960a1b73c8dd56c864bfa42565cdda7

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