d7b85226aca5a82dd428acb157073afa37cba358578cf4569097dc3a5f6fdf44

Analysis

max time kernel
149s
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
05-03-2024 16:02

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General

Target

b518d212721a9960413d9f9b8f0ceb12.pdf
Size

88KB
MD5

b518d212721a9960413d9f9b8f0ceb12
SHA1

c545e20bd5d73292c71b3b79b8c26b7a790087d6
SHA256

d7b85226aca5a82dd428acb157073afa37cba358578cf4569097dc3a5f6fdf44
SHA512

8ea96bea31c4542dd4f4fd6e9d73b6d3187d4527dc18db1374829e562de6936bbea1bf80ae04e86cf2cdb350a15fe104f09ee444729e03cb5dd69c4e36aabc97
SSDEEP

1536:cbzR7ckgy4UUSC/TbDRqGt9xnSc0Tji+juQlyDsEkWA9p1sLZWbpON4/9:kzR4kyUJYqG35S5uQlWJisLbN8

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1700	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 3264	1700	AcroRd32.exe	92
PID 1700 wrote to memory of 3264	1700	AcroRd32.exe	92
PID 1700 wrote to memory of 3264	1700	AcroRd32.exe	92
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2388	3264	RdrCEF.exe	95
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96
PID 3264 wrote to memory of 2416	3264	RdrCEF.exe	96

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\b518d212721a9960413d9f9b8f0ceb12.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:1700
- 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:3264
- - 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=DB467F78951620B5A9215BA3B9C016E8 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2388
- - 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=FC3643FF59D6E768195ADB659A79BCB2 --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=FC3643FF59D6E768195ADB659A79BCB2 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2416
- - 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=C1EEBA08FC5A916C369027D0AF896E29 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1224
- - 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=5F4F329ADF5E0395B8061978FB13041C --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=5F4F329ADF5E0395B8061978FB13041C --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3704
- - 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=F3CD4C59C3FA154D767A2F14EBC8F50A --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2396
- - 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=DDFC6C3CE149A38579BEF37DF1653DC8 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3116

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1008

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
b1061533e3d82569dd1cbf04b30c8d52

SHA1
00c312455d7a8def2935479957e014fe9feb206b

SHA256
3f2bcde5191a51902fa0fa9557aacdbcf0f74b9da9006b9f3e0ce5e1c548b60a

SHA512
1df1f0d195893734b157da09ec05d402e996eca4a46393bb8843c6b8bd36b8b3e9b9f20db480fa0e6227a349c03eab5a9b7d2ceedbed797c57cf6fdb965b933a

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
memory/1700-26-0x000000000B990000-0x000000000B9E0000-memory.dmp

Filesize
320KB

Download