125d1236d21b450895e2b26c11d334e2de8034d3cbb258ba3f8044e29ec3eadf

Analysis

max time kernel
150s
max time network
149s
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, 21:19

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General

Target

a2c5b5a838118027d12ff20564528048.pdf
Size

93KB
MD5

a2c5b5a838118027d12ff20564528048
SHA1

7959ad7a8795d8bb770e23c8e1f67b01c49b9d67
SHA256

125d1236d21b450895e2b26c11d334e2de8034d3cbb258ba3f8044e29ec3eadf
SHA512

383eb696d306f6677cac0da736eaf5ca534919258a23162764924ea61fda62609d0468b8d46f017fe895e9510dedc1bb3807d6a29aad13dbb41b7a253ea2f90b
SSDEEP

1536:xjBOYkP0b3EKm32Gl8W7yra0o+Z6vm2+H1h4FEyZ3YWcpOmiRcEWmztSAUzDv:bhk8r05Gr2+ZsijeEyZ3jmOcsW/

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-1-5-21-1712835645-2080934712-2142796781-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1164	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe
1164	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 4324	1164	AcroRd32.exe	91
PID 1164 wrote to memory of 4324	1164	AcroRd32.exe	91
PID 1164 wrote to memory of 4324	1164	AcroRd32.exe	91
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 4512	4324	RdrCEF.exe	92
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93
PID 4324 wrote to memory of 3960	4324	RdrCEF.exe	93

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\a2c5b5a838118027d12ff20564528048.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:1164
- 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:4324
- - 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=468F2D2AF9B38D8F8E25FA08D4FFFD62 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4512
- - 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=4F4E36B2EE3AB7D1F4F600FD2534ECB2 --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=4F4E36B2EE3AB7D1F4F600FD2534ECB2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3960
- - 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=5F682182741D4AEDE80D1EC0562BA1A2 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=981A8952ECCFF4B0E0E7B8E449453F22 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2756
- - 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=33B9D26BBD37AC7327CB2CB1C1372168 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3844
- - 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=E51F32D462049D2E28EDE80263853DDB --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=E51F32D462049D2E28EDE80263853DDB --renderer-client-id=7 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3188

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4336

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
925bc010c5fa3a7e01b6e23a31de497f

SHA1
697dcdd52e15f3be58f7ec9af37cf9a61bb1c733

SHA256
0624b9a00d30225700f83998a35e1605330808a99b851648b3133ff0fa8f3c21

SHA512
016a1e017d325344e49deb427b58797d55d59dc4733338b8a287ad224da11202b336349b6617bd832b578786247a32c02d349ab7846fc71940efc81236970cf2

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/1164-26-0x0000000009550000-0x00000000095A0000-memory.dmp

Filesize
320KB

Download
memory/1164-134-0x000000000D050000-0x000000000D19D000-memory.dmp

Filesize
1.3MB

Download