4a24725507ac3c3af062a1ea8250a6fca1498e7817e6fc36e0e620f9a0fbaf83

Analysis

max time kernel
142s
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
19/12/2023, 11:54

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General

Target

18a00eb9076328f6d1a0c8c806a3e37e.pdf
Size

81KB
MD5

18a00eb9076328f6d1a0c8c806a3e37e
SHA1

9d1c34b0d278f7e722879bc46335e73abd421ff9
SHA256

4a24725507ac3c3af062a1ea8250a6fca1498e7817e6fc36e0e620f9a0fbaf83
SHA512

df4d4c8704a12d2b4c3f694f5bc1b4ee379b939559a5a0752af5400ce2dcd3e7337ea6913c8b5067f5620a235ec9dde75aa15484de71a8ea48a71be03cb3dbc4
SSDEEP

1536:lSSrap9Vr0Cy9zMdX9nidiOm7hqHanIYtnWGpOKRo9B8VxWAiSEq2oijDfQ:9810f2dzOm7hqHaJiK69B8VxWqEc

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1928	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe
1928	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 2360	1928	AcroRd32.exe	93
PID 1928 wrote to memory of 2360	1928	AcroRd32.exe	93
PID 1928 wrote to memory of 2360	1928	AcroRd32.exe	93
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 5760	2360	RdrCEF.exe	94
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95
PID 2360 wrote to memory of 4560	2360	RdrCEF.exe	95

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\18a00eb9076328f6d1a0c8c806a3e37e.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:1928
- 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:2360
- - 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=F896AF6564E59C6534DA1DF86917FCD5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5760
- - 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=BA3896A94ECF7287E67D31A17A23EF3A --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=BA3896A94ECF7287E67D31A17A23EF3A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    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=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=306BDC93100F41F3EC78B75CB0087276 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5392
- - 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=176AF42175B085CA621AE671933234D7 --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=176AF42175B085CA621AE671933234D7 --renderer-client-id=5 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:6132
- - 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=8B62397F8C529EAD61DFAF09556D5E82 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5592
- - 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=F0D31661E8CA45BE10DA38805A07940D --mojo-platform-channel-handle=2792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3172

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
451e59888601f9bc00c4545b8a701a0e

SHA1
13e8b318fccd7ec72d87f6d1ec0b64dc7c0a5e8a

SHA256
4a909e8d1d89b050fb6677147d1a8bf8642d33b7f310f93cb4f2947bd411bce3

SHA512
94b1dc8e5f1ab37ea850b7db72f7a45bc5f8d66f311dfe2cb47c2268c972797e08d1f1d972b55b6d296b7a1d5224704ed4cdb6b73e291373966569f0516d5978

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/1928-28-0x000000000B5B0000-0x000000000B5D1000-memory.dmp

Filesize
132KB

Download