4f5313288ba4d095c35366c6bd9ed92b8d321bea721c0195c2782bb7ad55208a

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 11:48

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General

Target

507a1d22494f89014d433fa83e0a36df.pdf
Size

45KB
MD5

507a1d22494f89014d433fa83e0a36df
SHA1

fef68f043a564acf55e5a52f373bf84088d1c06b
SHA256

4f5313288ba4d095c35366c6bd9ed92b8d321bea721c0195c2782bb7ad55208a
SHA512

9de61534ef58e15bb7491ed23f84a261ddf95dd9952bde35a4e73a3d922ed26670827afe6ca2a0ce4995b135e34a32d0a5959f51386056abc9ab46045be48976
SSDEEP

768:GsFIHL3JW0BU/bFlmwhnvudnjJw4zCM5/JZZhofhwkznx4Lsh:GaQBWbH5nG3wsJZhopweqIh

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4948	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe
4948	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 464	4948	AcroRd32.exe	92
PID 4948 wrote to memory of 464	4948	AcroRd32.exe	92
PID 4948 wrote to memory of 464	4948	AcroRd32.exe	92
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 1996	464	RdrCEF.exe	93
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	RdrCEF.exe	94
PID 464 wrote to memory of 2144	464	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\507a1d22494f89014d433fa83e0a36df.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:4948
- 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:464
- - 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=61B60B8F06051A5E9D6287C60BF1402B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1996
- - 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=BAD4D96919EC0FC229EC3D9531765F12 --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=BAD4D96919EC0FC229EC3D9531765F12 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2144
- - 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=F59C185EC7646108823E428BB92C7909 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4288
- - 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=B073F7621546FD34C50EFB4943EA7CA7 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1804
- - 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=C985FFE13E174CC0E8260C26D08D33E8 --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=C985FFE13E174CC0E8260C26D08D33E8 --renderer-client-id=6 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3692
- - 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=EBC696E5FEAB11C84CF44520AB2721E2 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2280

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
b50be5f6208d63c840aa3a3b400bc41d

SHA1
2eb83c7979382aea374026df93de51f85e11b19f

SHA256
78a674fd52e5c73770fd08d20f9bc5f447b9f6065aa07672617a8fc78de5cc65

SHA512
2b0c0534202ae87a836f3f689b8f43ebd00a4e55f52fc031885d3851c4cd1e51f4964013105908c79d2acfd5ab4421b42838a0687771a96788e4375289cd6d18

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/4948-26-0x000000000A190000-0x000000000A1E0000-memory.dmp

Filesize
320KB

Download
memory/4948-27-0x000000000A190000-0x000000000A1B1000-memory.dmp

Filesize
132KB

Download