9225f02c9f4239628d9fb0e8567e1208634d50d7e023f91facd11a3ed0cd580a

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 05:56

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General

Target

a30d5144ae5f17d0bd90e672b95740a5.pdf
Size

92KB
MD5

a30d5144ae5f17d0bd90e672b95740a5
SHA1

51c59576b8b8221beb185f585d255466fc5c784e
SHA256

9225f02c9f4239628d9fb0e8567e1208634d50d7e023f91facd11a3ed0cd580a
SHA512

693721c24d9e58d0e6c1bf863cb994b8ea31704fb63ac285eeed57f964756778c3509b053b250a0ef1e17b385e144dc80352701edeb164987b63fb7e552dcdd7
SSDEEP

1536:WDNr8PWUCVu3j0nLAuGSv2VofHpLaGNj5beDqrfW9VCDnfLMIYPWspORlisC:Sr8xCVYj0Lp9v2VofdNRQOmkjRYeRY

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-1-5-21-2200714112-3788720386-2559682836-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 3188	4504	AcroRd32.exe	92
PID 4504 wrote to memory of 3188	4504	AcroRd32.exe	92
PID 4504 wrote to memory of 3188	4504	AcroRd32.exe	92
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 1372	3188	RdrCEF.exe	93
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	RdrCEF.exe	94
PID 3188 wrote to memory of 3256	3188	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\a30d5144ae5f17d0bd90e672b95740a5.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:4504
- 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:3188
- - 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=21B185FB304B4CFBB76AB5C498AF9FED --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1372
- - 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=C243BAF7A388C9B579087FEFC163D35A --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=C243BAF7A388C9B579087FEFC163D35A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3256
- - 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=A223DDAAF2194604670D4FF0476C21C9 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5024
- - 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=EAB07F33D3164E42064C135FE9343ACA --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=EAB07F33D3164E42064C135FE9343ACA --renderer-client-id=5 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:848
- - 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=413938B5F706E65C1ED197947E64D08C --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1324
- - 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=BFC89BB617AD044D2C85D67CF845748F --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1756

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1600

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
70ef3fb0bd7ea6aaca872d020aacefa2

SHA1
f1f632f6358c0d272b3d3c65cf1fdbf8e38af54e

SHA256
e863755460eb6897b883f66cae830a1bf34345fae39afd435e7958267be28581

SHA512
d3cd621077da9acf666b3442c92f32fb070b3dada7b27625a81aa4afa85fb3eadd28cc56e54335c06c080163ea979d51bb76f9182bba15d63d237db65ed7853c

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