87bfb75c589c15f8552b4fba155e28c64228c73ccf9d26da0681c1c900852aa5

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2024, 12:05

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General

Target

d376cefd1b67ce03bcfee5d26c0731b5.pdf
Size

93KB
MD5

d376cefd1b67ce03bcfee5d26c0731b5
SHA1

a819512202b3998baffaf4fa700be82817b6b815
SHA256

87bfb75c589c15f8552b4fba155e28c64228c73ccf9d26da0681c1c900852aa5
SHA512

fd17414e56ff3e68961dc718f7733a63cb5cb38d7b832898f3a470fa9143363a4ea2be18083339926916a8007f0573e8397321e555631739f087f6c3cc1228df
SSDEEP

1536:JjD4MG+YJaFo2riYFIs7BOWhYaDgdSg6XLQ/l319G62xwU744lU:KcEaeQi9s7BJhYaDgU9X0J19G6i4Z

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4004	4920	AcroRd32.exe	96
PID 4920 wrote to memory of 4004	4920	AcroRd32.exe	96
PID 4920 wrote to memory of 4004	4920	AcroRd32.exe	96
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 1624	4004	RdrCEF.exe	98
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99
PID 4004 wrote to memory of 2376	4004	RdrCEF.exe	99

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\d376cefd1b67ce03bcfee5d26c0731b5.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:4920
- 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:4004
- - 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=9C50453561FF0A85B93701BD62543324 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1624
- - 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=8D2AA50500405C30C6E448D4B5621044 --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=8D2AA50500405C30C6E448D4B5621044 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2376
- - 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=94E909F16BFB1011578D324380519D0D --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4488
- - 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=C75D3447F5329B1F82C2C27F94F433B0 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1376
- - 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=0F8A8293A150A4A61C7FF45EA0D765B9 --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=0F8A8293A150A4A61C7FF45EA0D765B9 --renderer-client-id=6 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4800
- - 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=CD8DF822A40DC14607BFB8D2992B162C --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:740

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2352

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
e768ae5cb0b71b8d75f30f6c648bb09a

SHA1
6b7e812d5cabe3435ba8201a279602fc8185c6bc

SHA256
7f90c18900e685af44bcba293c0303e3ee88ce6f080265e2dceb9e769533659d

SHA512
9a08d52b453e8e6d65981739dd2aff0c35eb3f04b2af4f90f48a0a32d94841d66a1ceb8e6ee3e26042f04f96444141285ee8484fc3704d245487bb4d40b850a6

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/4920-26-0x000000000CF40000-0x000000000CF90000-memory.dmp

Filesize
320KB

Download