b08478c1ba4ee2cf72a71a47226bdd92014c479b808cd17d0371b8a194e9abd5

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2024 09:36

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General

Target

770176b2daa34b7daa98ceac69936057.pdf
Size

83KB
MD5

770176b2daa34b7daa98ceac69936057
SHA1

b00170af17d2c250394bf943a97f0aa91bc14509
SHA256

b08478c1ba4ee2cf72a71a47226bdd92014c479b808cd17d0371b8a194e9abd5
SHA512

15de304ec86b27ed8decea69571e78627d4539bbb3fc6f5f093d3ff44685ea8aa6901c6776893f7358c6620dcb6fc106760ef3f7bc8b4b1dc49a13d5dc58172e
SSDEEP

1536:l68nxAl3JeM9PlHtnq+ChWA/JMQJPDGqgNSiS/M6ZMDWhirbggH70P16RBFHWQpB:I8nxAlJP9P/EWA/uQNUNSn/MoExHa6Rd

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
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 4196	452	AcroRd32.exe	92
PID 452 wrote to memory of 4196	452	AcroRd32.exe	92
PID 452 wrote to memory of 4196	452	AcroRd32.exe	92
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4568	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	RdrCEF.exe	95
PID 4196 wrote to memory of 1392	4196	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\770176b2daa34b7daa98ceac69936057.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:452
- 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:4196
- - 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=35230970E5D953A7E2EB4A6014089EC8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4568
- - 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=2B637705D39F92A516E968B994AC4955 --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=2B637705D39F92A516E968B994AC4955 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1392
- - 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=E7EA4EEF554D9C848FDF722E61706216 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1724
- - 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=7994CC5D787B87BB02256753A5797C4C --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=7994CC5D787B87BB02256753A5797C4C --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3324
- - 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=8F38C30B73778CFD271151D8CDF8B292 --mojo-platform-channel-handle=2732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4184
- - 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=508B82D1E4BF876F5411950F9CC2C3BF --mojo-platform-channel-handle=2720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1992

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
859bf9bc7c4d8e8cade34db0a3973e3c

SHA1
d27c30f3cd4947aba6a571967cc64e14a5a462a1

SHA256
223274b2bb55b7bd6bdaf0bab731e10b2b875141002e46d6054edf471487cf27

SHA512
54b28c8c8750e4167b7a5dfdc72399274b94c5e9a79487946e7a2c7befffd076c05c09b45f039bb06bee312ce59979fe6cfdb1bcfb1f6d6fe115da28c08f6f6e

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