a90db46cb5474939c0415bf0a00e9591225fddc135ff77540007ec9307403bfe

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 20:21

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General

Target

3b0f1cff50bcfeb98cb9c21fc54dacc2.pdf
Size

59KB
MD5

3b0f1cff50bcfeb98cb9c21fc54dacc2
SHA1

3329fa82c99b9158b5978a5e458f57c50651dce7
SHA256

a90db46cb5474939c0415bf0a00e9591225fddc135ff77540007ec9307403bfe
SHA512

e79dfc27823ed264c68e3a2b20d322f9685539c13fd8a11511257ab5d8b0212aff4ac073e2629f4ca05c7372abfefe814c5cd20b7c26dd0073b453a345bbabc9
SSDEEP

1536:VLcSKP2ajQhaxrstVU84Ax+KoPUFX2VyLXi3PyQn4V:+T+rhTtO64KogvLS3KQnM

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
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe
2696	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 1600	2696	AcroRd32.exe	92
PID 2696 wrote to memory of 1600	2696	AcroRd32.exe	92
PID 2696 wrote to memory of 1600	2696	AcroRd32.exe	92
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4216	1600	RdrCEF.exe	96
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 4676	1600	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\3b0f1cff50bcfeb98cb9c21fc54dacc2.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2696
- 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:1600
- - 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=B2D2BE42EEDAB1104BE2A18E43B20668 --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=B2D2BE42EEDAB1104BE2A18E43B20668 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4676
- - 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=DE9A26CF2874B455292D459FA6B7344E --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4216
- - 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=6A4A328D0D4496D71E009C02C828DC54 --mojo-platform-channel-handle=2260 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1384
- - 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=6796249E646FE13B8705137BF1557831 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4972
- - 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=064B3CB1562F60D18F9EF57DB26293C6 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5076

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2068

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
d891a4b03c87db1e9605caf7bc54873a

SHA1
4f2d8a7c665cf8783601717f41737e31a0464117

SHA256
3d320f85cd36f1989dbce997ba51779c026a72acac0154e4aab04beb0e3fde61

SHA512
2a08dfa3fa97d239cbbe92286513239c9916d06ec308dec2750a43e325e9c8d380fa3f8cccee2fedc2c84fb3544a85a34876421e37dbded0e4a0e6d7b65d9b7d

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