4bf043f7b7528599f2e748217a8d17a8785a7382cb46d030446039a5b6e29b6d

Analysis

max time kernel
149s
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
22/12/2023, 14:12

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General

Target

ba886dc1ab16a31e0adf7d91b3ca4b8b.pdf
Size

42KB
MD5

ba886dc1ab16a31e0adf7d91b3ca4b8b
SHA1

9f6e60bb34b62fb73af2b10666a9bbdf9000e8d4
SHA256

4bf043f7b7528599f2e748217a8d17a8785a7382cb46d030446039a5b6e29b6d
SHA512

28a49c66f4a42aae193d8ddaf4ba2db1d8a61d9806afe54deee975dda8a0730433db5576437ce77f1ef664e363057d763eb5d080bc4bd333f7e7657d3faf7e0c
SSDEEP

768:StNpCNll9P4ieaLD1tLwPAHsiD1SpkRTBPnJJRxkVJVS+Y8dgAlx4ph:spQNeEiYHfAkR9PJLxwVpY82Alyn

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
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3160	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 4392	3160	AcroRd32.exe	92
PID 3160 wrote to memory of 4392	3160	AcroRd32.exe	92
PID 3160 wrote to memory of 4392	3160	AcroRd32.exe	92
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 4492	4392	RdrCEF.exe	93
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	RdrCEF.exe	94
PID 4392 wrote to memory of 2872	4392	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\ba886dc1ab16a31e0adf7d91b3ca4b8b.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:3160
- 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:4392
- - 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=0013B6F13019CA10FA1B5A084A255F32 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4492
- - 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=E2FB6112ED36DB612A83EC398F76E682 --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=E2FB6112ED36DB612A83EC398F76E682 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2872
- - 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=BFF44496B901117D53D0AC4F24C27C43 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3744
- - 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=979C08CF51E15FA822760DD19F70273C --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1404
- - 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=233675F71E6F4620FB99807FC2C3535F --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=233675F71E6F4620FB99807FC2C3535F --renderer-client-id=6 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3564
- - 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=EF94655180130D2616E1D55C33ED8D60 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2624

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
1a0da1b03a548fa046f7a49b265e40c4

SHA1
dc5f4b151fe70bc87f598a7c9b8c548188b0d452

SHA256
6404096284c1266bfbace535f94e0d56076ca868ad8f7dd5e87efd93f48eb992

SHA512
e08c096326f3f0dab54d60b4374418b86d38887143cb8cea0a21555bed03ba73d295afc423a76857ba0c326222ecc49b521d5a96b361026bf16672fead4abad4

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