d6eac0f3a133e3489baf1d22cd68d9fafea35619462deb689f5c96283e66965c

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 16:07

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General

Target

e885b21ffe464365f63458d2f51b7a97.pdf
Size

63KB
MD5

e885b21ffe464365f63458d2f51b7a97
SHA1

d76093597532cf51d94fed9e1ce3269cde1bf728
SHA256

d6eac0f3a133e3489baf1d22cd68d9fafea35619462deb689f5c96283e66965c
SHA512

33060beb9b16beb4238b83f006b3985111d3d7c1b94bf2a263f911b7f4c91b727a7b68821d32be382c41901fa458f815cadc5cef2332d91551010de998a14877
SSDEEP

1536:dMPeqL+2fYApco995/RghVGcoIy9RSImYRmVHm9TkCY7o9:6xnfYC99t+hM9LTSIRhkM9

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe
4456	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 2180	4456	AcroRd32.exe	94
PID 4456 wrote to memory of 2180	4456	AcroRd32.exe	94
PID 4456 wrote to memory of 2180	4456	AcroRd32.exe	94
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1112	2180	RdrCEF.exe	96
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95
PID 2180 wrote to memory of 1308	2180	RdrCEF.exe	95

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\e885b21ffe464365f63458d2f51b7a97.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4456
- 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:2180
- - 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=94E87FC6B99BB17869B951035A3D261B --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=94E87FC6B99BB17869B951035A3D261B --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1308
- - 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=DC1528125EF025BDB7EEA881ADDACA98 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1112
- - 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=6FA4A0A4177DB86CE28A661839977943 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3624
- - 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=F9ADCEF96F7BE83694EA20A1D1AEFBE8 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2500
- - 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=7EF924E885E722A0EAF87E1C9BD7355B --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4868

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3328

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
b686c56a21837f13822ecd2724a4f614

SHA1
9e11c60136374b28d5595e3c07963f135cbb111d

SHA256
62663b9ded9322c6062020b0c2a751d81cf10f571433bc34b680f6aee50b36af

SHA512
50bd80550c110e627049d5de7db7232180355e965b06cf4aacd6d7c3429c9578598089c16356a2c475ca355e39b7e7b5223d9f43ef0a9dff73d8bb3a1b7678c1

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit