855fd6d0cff7e07ff36516c6ea27c4c412b39dc4348d3dbefbe2b3fa6710a6a8

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 13:00

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General

Target

4e5de564033bf923aa8b1d9cd12858f3.pdf
Size

87KB
MD5

4e5de564033bf923aa8b1d9cd12858f3
SHA1

c284c29e00ffe35093ef1e166dd03a259f43a28e
SHA256

855fd6d0cff7e07ff36516c6ea27c4c412b39dc4348d3dbefbe2b3fa6710a6a8
SHA512

72b64c4f0e83be389883065ae8f8ee4a5950f8bc520ddafce8d069452c00cc1dcff2c8b52c578cdba29c59eff2890baaee6788be2aa66f90b391bc6627ee7ee5
SSDEEP

1536:NIA0KDpYzkTfhmf9xT3joVqe7z48wh4aru+Sl0CvizpX6IeiW6pOu26WitgAmGta:GKKITfYrjRxh4SuRl0CaziPu2M+AN6YC

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe
2888	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 4760	2888	AcroRd32.exe	93
PID 2888 wrote to memory of 4760	2888	AcroRd32.exe	93
PID 2888 wrote to memory of 4760	2888	AcroRd32.exe	93
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2296	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 1176	4760	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\4e5de564033bf923aa8b1d9cd12858f3.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:2888
- 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:4760
- - 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=5919CFB027D565AC881E65EDC46F8DAD --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2296
- - 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=281FE254771A3502F212262340B576F1 --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=281FE254771A3502F212262340B576F1 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1176
- - 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=ADB21A067BE44CB5D254EFB6B8F674E6 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2128
- - 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=8327C8A89BE4084FBF9FB5798721C3D1 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=0A36B0E8A8C430939D4615BD8C05FCA5 --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=0A36B0E8A8C430939D4615BD8C05FCA5 --renderer-client-id=6 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4876
- - 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=2F18F4B271008299BA63818ADF255AFF --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3264

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:336

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
41KB

MD5
0d2769da977f65cd9f47322f71b35601

SHA1
e8b5fd9691d79aff271e19e251362bb7456e0cbc

SHA256
29ad6ecf12e435b6e9314e8ebec3a9c37cc934ad122672c89d168d2d54945292

SHA512
139a29d090402114598f78a88c2c7a4c8d499e055c28fd2fbc678988866ad7518dc913c0de0dc0e40f3598327679e0e90e85a4d9490871bf248d39d64333d1e2

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

Filesize
32KB

MD5
ed4ebe88d16193564d32cb3a297bcbdf

SHA1
dd3cb4b1a22b22a13788e53cadaea5f56dbb2162

SHA256
c1a249ba3d56be4643ad9d2b4f5920299ba32a9ccdc798b595f38c4b8d4e21f2

SHA512
0cb1e9019377421e929aeb6c4d46f374d39b368591a36b8b727af0356d7c8839247fff36762b4b1b04c3d3917e269e3074eed52501c045dcfd9fd8f584215198

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit