0f3b96da2b9dd276ac95e7452d2ea25f0ae514927ab806bb6c1a943457e04cf9

Analysis

max time kernel
143s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 23:29

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General

Target

7e49c2ea2e9c61bddfe5b1abdfa3799d.pdf
Size

70KB
MD5

7e49c2ea2e9c61bddfe5b1abdfa3799d
SHA1

f7545ac7a8f7d65bad40208af8986693cbc1f35e
SHA256

0f3b96da2b9dd276ac95e7452d2ea25f0ae514927ab806bb6c1a943457e04cf9
SHA512

fd1ec72a428b340460a633b39e2917015b251391170863460815ae2346d69c27158c199c6327a601efd5778ccb6b8bc7c56b2adbe7a59ebc2a3c75f993167847
SSDEEP

1536:tg7YtPVSYzp4QC6zEt8/B42Amnh0iua4mGqCW3j1PBhWUpO7eWP:fVVSYzpZl/B429i/apXPBk7x

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1916	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 1256	1916	AcroRd32.exe	87
PID 1916 wrote to memory of 1256	1916	AcroRd32.exe	87
PID 1916 wrote to memory of 1256	1916	AcroRd32.exe	87
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4560	1256	RdrCEF.exe	89
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90
PID 1256 wrote to memory of 4944	1256	RdrCEF.exe	90

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\7e49c2ea2e9c61bddfe5b1abdfa3799d.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1256
- - 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=52ACDCC562EE582DFE0498E911B901C2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4560
- - 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=22908C326EC72786258696681480E6E3 --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=22908C326EC72786258696681480E6E3 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4944
- - 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=DF851E3A1E2C33545DDBFCAB363A1A36 --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=DF851E3A1E2C33545DDBFCAB363A1A36 --renderer-client-id=4 --mojo-platform-channel-handle=2024 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2780
- - 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=D26EB7F61C0E3239AE45521175375B67 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2448
- - 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=46E95636EB0F3BD8F11C152B133217E1 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3552
- - 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=4CA08272E1C11D34A09AC708BF53C718 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2936

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2216

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
47121581032f9b9b56e213b40f99ec11

SHA1
63371eb30d68121d0c2d991c21c8347db1fe428d

SHA256
54385c8310c9558114530365e69a60e5f78f3dd11454ed9571c71b1b8c2c965c

SHA512
2f4b23652cd25147193e925351b1f267b2063002a4882e814729faadf9b0341408b2c561796cc05b0bdfef80be9752e81aeb8fb279c6d7ef40033b90b94eb0c9

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