93a224a638cf8c971289899de05bef8de74fde0fa2c0eca8157ab19e4c420fdd

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 21:02

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General

Target

a2bf5f3c9eff0040fb2861c24276d31b.pdf
Size

93KB
MD5

a2bf5f3c9eff0040fb2861c24276d31b
SHA1

bec8c2902f08a9845e1241d6f2afd7ef21f7aa61
SHA256

93a224a638cf8c971289899de05bef8de74fde0fa2c0eca8157ab19e4c420fdd
SHA512

fe64dd8d6f255ce2a6049e8ba0ba4a76313c7069fb5719d3b98a7842d7a11dfe9eb5d08f82ba29c39783d8ff0ba21125787780cde88a8abe464b638f803d118e
SSDEEP

1536:cXaFtjn7edne0mlb986I2FTJVNmaU8/Qxi8ZUVYp0fB4YRZWVOMlg6rEcSEAP7p:Vtjn7kne0Obmv8TJjjQTVKGETMlgcQ

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-1-5-21-2828415587-3732861812-1919322417-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe
5004	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 2248	5004	AcroRd32.exe	86
PID 5004 wrote to memory of 2248	5004	AcroRd32.exe	86
PID 5004 wrote to memory of 2248	5004	AcroRd32.exe	86
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 5040	2248	RdrCEF.exe	87
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	RdrCEF.exe	88
PID 2248 wrote to memory of 2356	2248	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\a2bf5f3c9eff0040fb2861c24276d31b.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:5004
- 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:2248
- - 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=D2E4CB8FF5A4A0FE368E60286B423D57 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5040
- - 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=8B49748FA1B4958A0E8633D7A9F83167 --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=8B49748FA1B4958A0E8633D7A9F83167 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2356
- - 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=FD7F83C6C6EBF117B94A14FD5E82EC49 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1800
- - 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=AB9795CF0FE45E5D6F18486F997C7B21 --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=AB9795CF0FE45E5D6F18486F997C7B21 --renderer-client-id=5 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3124
- - 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=D1EB9038EE54A6BCC144E15CC6AEB1F1 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2392
- - 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=42AC9B0E138F466140393DA2C8D1A384 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:876

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3388

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
81418586020eb6d3225b1d781726c131

SHA1
a337b79c1e5c293feca7f5d0e3d27629f375bebd

SHA256
4c6dbe1b32fec4254f2e00bf8ca7a915ebac855dd1f9194423de4334fc09b83e

SHA512
baa09f3d548d807fd4b3e911c70f629b1da38a916461f236fcf0556f98f6467e458fb5bcf401795d7c4bff7b851ec24d945ab6ae11d4bfaed29e03142cf10af3

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/5004-27-0x000000000C0D0000-0x000000000C0F1000-memory.dmp

Filesize
132KB

Download