1e3fdfe31ce6142bee0874ced34c0f918d3eb03415cf14331df476fa878895de

Analysis

max time kernel
141s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 15:10

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General

Target

d33d17ddbb6c1ca8d6f7a04307dbd5f8.pdf
Size

48KB
MD5

d33d17ddbb6c1ca8d6f7a04307dbd5f8
SHA1

c8776cfe34fb2258cced97a76a7fa3e24bc55a7a
SHA256

1e3fdfe31ce6142bee0874ced34c0f918d3eb03415cf14331df476fa878895de
SHA512

67b32096bf7eeb1b024bd127ee18daf0dfdba67bed9af2499838b254573c5f6cb2dccb29757dbcfabd48b71d78063fcd96e0600a81b82cf2d9bee44841023b00
SSDEEP

768:yF1JbPTI3sJgPLzq17kE781gFnen9UiMDg8AKr0h7Jwi9+:fsaPqhkHDndOg8AKr0/d+

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
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 4312	3104	AcroRd32.exe	92
PID 3104 wrote to memory of 4312	3104	AcroRd32.exe	92
PID 3104 wrote to memory of 4312	3104	AcroRd32.exe	92
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 1840	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2104	4312	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\d33d17ddbb6c1ca8d6f7a04307dbd5f8.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:3104
- 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:4312
- - 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=69EC8D59BDFCB0B8765EC1E299489DF2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1840
- - 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=F02D94F0E516E7D5D47AD1C61676B77C --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=F02D94F0E516E7D5D47AD1C61676B77C --renderer-client-id=2 --mojo-platform-channel-handle=1692 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2104
- - 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=9683D8DF3B9DC7800D209B465D668A39 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:740
- - 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=D2BC0F594F0BEB6EFE524B32F6895B12 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=725B8308A41BEC3D677C9CF435B338AD --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=725B8308A41BEC3D677C9CF435B338AD --renderer-client-id=6 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4556
- - 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=ED73DE2EBD36E2C4258DB442D3290BE6 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4124

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
81ede26238f5b87b97615a6f7175e21e

SHA1
1398cf1b91af152202f883961d44e7cc418b94d5

SHA256
75f9acf3ef2ab264dd23d6a7b6fee3743c0f70ab39d428fc29ddd13a77a4c04d

SHA512
ad2c77bef4f1592047e865b7810a92e153a05ac1f7de6d973b80f7b5e5de082550574e80921fc3314e9221810bad828681949d5d8c95c1a00fc7eef9630c8019

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/3104-26-0x0000000009F10000-0x0000000009F60000-memory.dmp

Filesize
320KB

Download