75f0b726751ed4355fe05b1553f16cc91d08f827c7024bf3c2b744af2b0ec278

Analysis

max time kernel
148s
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
26-12-2023 00:39

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General

Target

470b777fcfd5c2cc7669682b7becf10c.pdf
Size

11KB
MD5

470b777fcfd5c2cc7669682b7becf10c
SHA1

70ab0bed1b77f9293de1aa3c037dd38e0e63ac71
SHA256

75f0b726751ed4355fe05b1553f16cc91d08f827c7024bf3c2b744af2b0ec278
SHA512

b894f7c3cd669623021fa0c9bdc3b19cc6f8fdc3bd90fdf94d29aabf20155f11bebca903a09ab1eac6959dda284c03d61cce4c35778f4c4a0a00cfe475386625
SSDEEP

192:HPe4xLMULIGAXGBGBIjfVEzXbBaiDfHh6wj3hswTqWGoFh2mJWdty4Hg+ezHJrQE:HPe4xLMULIGAXGBGB8fVEzXVaiD/DjRt

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1364	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe
1364	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 2268	1364	AcroRd32.exe	92
PID 1364 wrote to memory of 2268	1364	AcroRd32.exe	92
PID 1364 wrote to memory of 2268	1364	AcroRd32.exe	92
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 1724	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 4816	2268	RdrCEF.exe	94

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\470b777fcfd5c2cc7669682b7becf10c.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:1364
- 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:2268
- - 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=76C53820B39953B87D06035606474417 --mojo-platform-channel-handle=1740 --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=58A5F260D4A0DA22C576D310A7407CE6 --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=58A5F260D4A0DA22C576D310A7407CE6 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4816
- - 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=A0D79782C3A9FC1D5ADF1579EFEF39BB --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2012
- - 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=85DC727D08651931BA2B5B829022D924 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2212
- - 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=AC3C3E3A74944F894727073DD90C351A --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=AC3C3E3A74944F894727073DD90C351A --renderer-client-id=6 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:692
- - 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=4022D510FC77E65FC00B861F426FF9E3 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3636

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3420

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
b4acf6b444687674c9fa98c30d2230ab

SHA1
55fd7b2f44b79235a22655aead0a9838389c5c0e

SHA256
24a0eb5b8af07ce7473d644c4f799ee3754868602f4bd15055d3c124cf8daee2

SHA512
e72b786feedc35253f559d5a123eaa4184e5c9311ef63e1ae8ffa95c79a916709beff3ce34c911960c102aa643afaebea8514ec2e5885dd2b9ee64366324110b

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
memory/1364-30-0x000000000AAD0000-0x000000000AAF1000-memory.dmp

Filesize
132KB

Download
memory/1364-133-0x000000000B310000-0x000000000B45D000-memory.dmp

Filesize
1.3MB

Download