58dcda0ebdb9c93f1f5254f29ff4247d6bade8fe2baea8e0cac90963440edbd8

Analysis

max time kernel
143s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 21:22

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General

Target

0457dc087b57984d8ee227611244f3a1.pdf
Size

85KB
MD5

0457dc087b57984d8ee227611244f3a1
SHA1

0751010b0d5fbf5371723bff472730c07ff227f2
SHA256

58dcda0ebdb9c93f1f5254f29ff4247d6bade8fe2baea8e0cac90963440edbd8
SHA512

9c688acc4ec8a0ab5edee29bd54e12bb0b758f490b97f84fdc9f1d353c4f752fa17ce55787b2b12744c327c65c2f20322154d5570405269c071d2855c5793a3a
SSDEEP

1536:Uakq/gQWTw+TB7jYgQVWjLu0PRuRIb64huR2mIW6pOu26WbXTgjLLdQviA:/Z/+w+TloVz0Poeh02mRu2FyLqN

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe
4740	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 4996	4740	AcroRd32.exe	93
PID 4740 wrote to memory of 4996	4740	AcroRd32.exe	93
PID 4740 wrote to memory of 4996	4740	AcroRd32.exe	93
PID 4740 wrote to memory of 3756	4740	AcroRd32.exe	94
PID 4740 wrote to memory of 3756	4740	AcroRd32.exe	94
PID 4740 wrote to memory of 3756	4740	AcroRd32.exe	94
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1028	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 4856	4996	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\0457dc087b57984d8ee227611244f3a1.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:4740
- 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:4996
- - 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=A0287AD2CF1A21E3377E7B8AAD40AD0A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1028
- - 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=3226265622EBE031EC538117659017E8 --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=3226265622EBE031EC538117659017E8 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4856
- - 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=BE190FF02F3D9FABDA8BB57FF31E73C2 --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=BE190FF02F3D9FABDA8BB57FF31E73C2 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2828
- - 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=AD132C9DD204EA978560C1C2421674A3 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3796
- - 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=06FA06F1592D36174FD15CA94E4DA5DA --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:244
- - 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=E0B54DFB03F6207817D68A2A8576EAB3 --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4396
- 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:3756

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
aee71d60e434a0c8da5ae7e41015c654

SHA1
8c6b74de488b140f65ed680c05e2f39b6d3351cf

SHA256
34d3cbedb0d901891d473cf2ac29ac7cce20447781c5c209fb466e5638ae4c9a

SHA512
89c0f9f0d7e6862307d60ee2d8542343d789fc9bcacb7b2ec9e6d78840c8f7e8c155c25453b9d1d1de35f1e2fe7a8e889806964225997ee60548fe811da54b7d

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