e03f720c6e6fce17f8a58bcd1dad24343e4cae101a927cdc87ce308c2a902c20

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 08:00

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General

Target

A.pdf
Size

28KB
MD5

2c6b4e4120733c3eb7e58e50289d9c79
SHA1

e1334b2c2828c9773bc002b5f2a2449bfd79d1ce
SHA256

e03f720c6e6fce17f8a58bcd1dad24343e4cae101a927cdc87ce308c2a902c20
SHA512

3fcaa51ca1314c61e65f17d22e9edd278b028fc00cd2e613f3fb89f9cb670bfa80ed37b498477971e41fe7834eaa64dc0333290733f771145ed32c0d5d711358
SSDEEP

768:LVGLONr3Qcag0AuN2ztFD0GO1v3rKNQEAeJq/zoOR7Clv:hGSdigtuQhF83r2QEApRe1

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-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4608	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe
4608	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 4408	4608	AcroRd32.exe	93
PID 4608 wrote to memory of 4408	4608	AcroRd32.exe	93
PID 4608 wrote to memory of 4408	4608	AcroRd32.exe	93
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 5116	4408	RdrCEF.exe	95
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 3312	4408	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\A.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:4608
- 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:4408
- - 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=98A2163D815CC48DD0ACFFEFDEC52B1C --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5116
- - 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=0595E90AED7B744005C7DC77F30B1341 --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=0595E90AED7B744005C7DC77F30B1341 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3312
- - 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=651B327B20C7F76F38B020C55828A899 --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=651B327B20C7F76F38B020C55828A899 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2004
- - 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=9C015003E50C0411F39EFEC206508B8C --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3536
- - 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=A0120AF312B288176231D63E2B22928D --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268
- - 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=82C94C330673E82E7054E1E74BECB0CC --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2128

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4980

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
e532847ab33be5e108d2c379c3ac15db

SHA1
96ec929887d69df4e0269de1ceb129cf31311cf3

SHA256
bca9ff9e72dbf3040e6e31b64ebbdc1d17db6d62b84648dd7088a823ca64c80c

SHA512
39a3bf6d961f83a083933a6a65e8457338cb4fc7037bc51c0ce900a58f6f1b52b9843f531f40fa10133f5953137abcd91c89094eaf15023daf62b355809517e0

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