4cbf0cc94847e68d53d8757f7b3eaab3ddd49bc13577b6a6c996bd3fa3713f8d

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15-07-2024 09:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bcb9aaa0767c7e0d39bbfeb246b58320N.pdf
Size

159KB
MD5

bcb9aaa0767c7e0d39bbfeb246b58320
SHA1

14323fc878372b52f8f283043cc6ca2f13a58736
SHA256

4cbf0cc94847e68d53d8757f7b3eaab3ddd49bc13577b6a6c996bd3fa3713f8d
SHA512

9356ab6d62e28224816461dc6a4002efce4091946852272a66f82ba551d1e6ea0e929dc0827489bd706ff9b9e420b0c4da9586f081d7ba17cdc64258e8736aec
SSDEEP

3072:/ji56CLq0VahjnvBmH7m7yjZmfuQ+osodXTytVT2CzQC:bXeKjnvB+mLfunosCjy5

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-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe
3564	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 2736	3564	AcroRd32.exe	86
PID 3564 wrote to memory of 2736	3564	AcroRd32.exe	86
PID 3564 wrote to memory of 2736	3564	AcroRd32.exe	86
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 2920	2736	RdrCEF.exe	87
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88
PID 2736 wrote to memory of 892	2736	RdrCEF.exe	88

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\bcb9aaa0767c7e0d39bbfeb246b58320N.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:3564
- 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:2736
- - 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=C995A5DE32D312E2ADF91569C5FF49B0 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2920
- - 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=D9BBC784C13D4CB7AABECAB5987C2A07 --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=D9BBC784C13D4CB7AABECAB5987C2A07 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:892
- - 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=BAAA64F21E1E3A40FFA7032D89C55333 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1084
- - 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=EFA1F9CFEDA87EDB56BA5E3A1E5C66EF --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4080
- - 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=D392FE504A2665EB410BBDFCE661AE61 --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=D392FE504A2665EB410BBDFCE661AE61 --renderer-client-id=6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3852
- - 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=4CC97A2DC3D84956450E4ABAA36B2B2D --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4532

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:556

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
22683af7a1a1c7713653b86161d9cabe

SHA1
f0ec4a2ac0d1c030a56ba815636888c28cdaeac4

SHA256
a85739a477735c074a0999c0cfd160bd9a1030f98a56ae920f0fe96f10cf8cf8

SHA512
63f78fd8ca786b81339dac3ddf545e66f0a52270716424c2329674e5f6185d8ac2f6fcc2a5f463680e5e12c90630e204eb9559d2126289bd80d8c06a68147f27

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