27ddde8ba5b726534178fdd3540ca8832d60bd44b3fa37319e6dc9e414190863

Analysis

max time kernel
153s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 20:46

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General

Target

3dd8aa322369097e075d34eee52f4591.pdf
Size

35KB
MD5

3dd8aa322369097e075d34eee52f4591
SHA1

3fbb5b31a25adfc5812f47e0880ed35531d8adb6
SHA256

27ddde8ba5b726534178fdd3540ca8832d60bd44b3fa37319e6dc9e414190863
SHA512

830ecf4d9ca587571c3a35c62c84a5ff54b746dda5ef1d23b7cff14af6c67e602245eb39fa87d5c5ce8792d460834da1f41b178b0778625d10d9174992ffae79
SSDEEP

768:+weL5gAl5+iJSr5Tgx5fgsLT7dd8QTLaL10EHiGsMmnj+v+:+75pl5+7+gsX7dXTLaLiLJMmj+v+

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2844	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe
2844	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 3308	2844	AcroRd32.exe	95
PID 2844 wrote to memory of 3308	2844	AcroRd32.exe	95
PID 2844 wrote to memory of 3308	2844	AcroRd32.exe	95
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 2368	3308	RdrCEF.exe	97
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	RdrCEF.exe	98
PID 3308 wrote to memory of 4460	3308	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\3dd8aa322369097e075d34eee52f4591.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:2844
- 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:3308
- - 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=17C10243BA4122D4EE7275154C4D6D57 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2368
- - 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=A9BD6772785965CCD95E2CF1D1B7FCBD --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=A9BD6772785965CCD95E2CF1D1B7FCBD --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4460
- - 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=DC21EE457332AC8AFF42C6633D3DB557 --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=DC21EE457332AC8AFF42C6633D3DB557 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:212
- - 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=7A32E5857E76526FEF50A75AF226EA43 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4360
- - 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=4D53C0707400E485AE3093BEA2AD586B --mojo-platform-channel-handle=2592 --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=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=7E12668CFDF99947F8439A6F1141692D --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4304

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
75be94b9c9eab67e94a732e9ad507ce6

SHA1
7b267ed3e84b0ef96a116605dd27d39f1a98058e

SHA256
a34bcabd41e71aeec6d8d4b17e4afd4bf8f8d62626a8f022285772e31bc6b725

SHA512
99906a26a1a18b35c5dadace31977d5c81dd0560c421d0e290e7a1d170ccc09d86f73dda2e918acd9b12c21709f2f42e209a5fff35337e772436b232d5d9753e

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/2844-28-0x000000000A460000-0x000000000A481000-memory.dmp

Filesize
132KB

Download
memory/2844-38-0x000000000A460000-0x000000000A481000-memory.dmp

Filesize
132KB

Download