b2b8f9fc0e3fbfc745dd08788dbe16a3acb3ecee490856b954501c0d1ae29159

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:46

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General

Target

0c1390877590fbff810b950a1f95e7e9.pdf
Size

82KB
MD5

0c1390877590fbff810b950a1f95e7e9
SHA1

030dea377fe10666a876a25bb96ebe47d4e6311a
SHA256

b2b8f9fc0e3fbfc745dd08788dbe16a3acb3ecee490856b954501c0d1ae29159
SHA512

80898b9c252499bc9a7f7c00521c561a120b20b296e8b1e49acad3f589cf97d2c6fd1f7f30ed4453a8f893f026c87079191d7efdf2d5b10e833ab192f551490b
SSDEEP

1536:7RmUAkQukpY4h0OVPAs9uA4f8Hoe9b54shhH3zzh21BWHpOvk87WAWrV45qWE:tQ9pYc3V4sZ4f8IevphhHvM1/v57Wp4C

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4132	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 1616	4132	AcroRd32.exe	95
PID 4132 wrote to memory of 1616	4132	AcroRd32.exe	95
PID 4132 wrote to memory of 1616	4132	AcroRd32.exe	95
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 4144	1616	RdrCEF.exe	96
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97
PID 1616 wrote to memory of 3112	1616	RdrCEF.exe	97

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\0c1390877590fbff810b950a1f95e7e9.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:4132
- 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:1616
- - 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=9387F29A7DEAF3556A40181961ED8C70 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144
- - 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=FEAB669E548C3310CA98A245405887B5 --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=FEAB669E548C3310CA98A245405887B5 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3112
- - 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=9B249A81823713A8B9A23F1DF0123728 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2408
- - 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=1D4DE6D223EE7D69F0126AB46F32C7DB --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=1D4DE6D223EE7D69F0126AB46F32C7DB --renderer-client-id=6 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3888
- - 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=394F2E2BCE91C97541AD723FA090FA20 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4604
- - 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=778A71CF9D62231330F89F811BB10897 --mojo-platform-channel-handle=2796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4924

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
d7b58e61155ccc007dff291428c77701

SHA1
028cde28754c9f6057ba7204bfe07f43faee0c2e

SHA256
6dcdd57449e4006dc78762efa92e7b055b095f8bc023d726adb65f199781cffe

SHA512
b9164161a4dff9ec0bd7b24ad45cda6b72ffb330901b126c49a93fce99a89e3276c277ea10cedba077dbfcbb60da9f75efae0ca7e2ad45060bad19627b9f1a79

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