89cf5ab91dd2c68acb85da87bd3c854e18d6678c99ddc370e76760dee7257ef1

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 22:33

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General

Target

1e8f9133f7aeed7c66c443a78367962d.pdf
Size

97KB
MD5

1e8f9133f7aeed7c66c443a78367962d
SHA1

181caf8ee536edfb0c459b93731ce02d6015191f
SHA256

89cf5ab91dd2c68acb85da87bd3c854e18d6678c99ddc370e76760dee7257ef1
SHA512

d9eeacd663acf29e6b01fc6f9559a51bf8da3db300dae5005b900aebd248d04b0048e34737752cb38a48fe65be94e2da60a9d944b99176f42645e582e4a49fdb
SSDEEP

1536:X5KpaJxr5m7izW9tLEEaH5eX69TNBy8X/K8Ri4W8E4dKqtWkcuak57rK1kWXpO/7:8pKZyZaZm69Try8i8RiXZq37rK1c/dGI

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1160	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 2356	1160	AcroRd32.exe	95
PID 1160 wrote to memory of 2356	1160	AcroRd32.exe	95
PID 1160 wrote to memory of 2356	1160	AcroRd32.exe	95
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 4352	2356	RdrCEF.exe	96
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97
PID 2356 wrote to memory of 2352	2356	RdrCEF.exe	97

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\1e8f9133f7aeed7c66c443a78367962d.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:1160
- 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:2356
- - 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=F6216FE1868D3BF1CD6D93A20F24DF9A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4352
- - 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=4B6D5E8A8298414387AFADB2DFF5F9C5 --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=4B6D5E8A8298414387AFADB2DFF5F9C5 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2352
- - 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=65C33954CBB72ED1241F05B61947542F --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4300
- - 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=CDE65A318FACDA2A4ACE414AD8567FB2 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2292
- - 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=914D23D395114762099857FA5DAAE8D2 --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=914D23D395114762099857FA5DAAE8D2 --renderer-client-id=6 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2912
- - 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=B58AEB5E134D39A2698942F220222940 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2000

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
93c6f4be563ed4d842dceca4fd5d6e76

SHA1
56317aa65522c79390b3fc0a459489a62d6239c0

SHA256
778c2dfe10f9fbb8dfdbe1e3edc8cbd3d185d7e014b1f996612be84993b16547

SHA512
e1b08f69987f618b8e22c910e4e1f9884b530c937ce02a7d453a845b064738fe4cb79fb23524a0867a3cea75e511389d2c3dab6780c97384d7c351a786fa3405

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/1160-27-0x000000000B4D0000-0x000000000B4F1000-memory.dmp

Filesize
132KB

Download