2744121e030007384d5c59897ab518f4fa023fde68b892a4ae6a3ad5cedf4f52

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2024, 17:49

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General

Target

a2059941.pdf
Size

197KB
MD5

8c563e480162f5fdf480344538a1b052
SHA1

4b364654623df3dc9ee9a526195e9988ebe240f7
SHA256

2744121e030007384d5c59897ab518f4fa023fde68b892a4ae6a3ad5cedf4f52
SHA512

9fb75b042278fa8cc1bfeb9069806d7d32a697b1e7ade323874b998a473bf93ea62f533c71570a46563ca8f88f9c6eebe79d3c6a10e705f7eca17bf5db188761
SSDEEP

3072:jgjkLqXxoEgEIO1SyihwyQi/7uksgOWqCOI6+CvrlB9zERk14dZhWoChtC14mn:8QLcx55z1qwzY2gOTtF+mr9z+kUbykd

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4652	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 2580	4652	AcroRd32.exe	92
PID 4652 wrote to memory of 2580	4652	AcroRd32.exe	92
PID 4652 wrote to memory of 2580	4652	AcroRd32.exe	92
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3240	2580	RdrCEF.exe	93
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	RdrCEF.exe	94
PID 2580 wrote to memory of 3668	2580	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\a2059941.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:4652
- 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:2580
- - 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=5018731755F3FF433762D74DD076502E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3240
- - 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=54D9EC9904A90DFF1EFE422B3B8FB173 --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=54D9EC9904A90DFF1EFE422B3B8FB173 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3668
- - 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=10D4826E876C2FA3FA7CD2A46F01366E --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1596
- - 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=6349B3481FC2D44F18945A86D606E971 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2012
- - 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=90742AC54D66A87AF8F1441913462050 --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=90742AC54D66A87AF8F1441913462050 --renderer-client-id=6 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3616
- - 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=EC58A5D92AFAFAD0C660B87C901E69A6 --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4520

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2568

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
cc6ed5c6100ef358cbe96b70c2b67973

SHA1
a4741ceb745f84edcdb399440c2561c5bf99c4f7

SHA256
5b4e247064f614838571f9f4721c3ee840db1503f187663d71c95eb36b5ba2b4

SHA512
1bdad0662f5e2c5ecaa5f5c2fadbd094fcefe1ae3d55b7c84f3ba955c9d21a8494cd8af91fb88059cff6eae04eeb3964482ea1270e7e72dbf21dc9c4e4bdce0e

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit