08cbecf4bc6adbaf753a4947cb48b15f1a48d2f9db3d4a6113c3d02122ba9246

Analysis

max time kernel
141s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2024 01:46

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General

Target

760f1fc586366b6e0089cc81e2a9f273.pdf
Size

69KB
MD5

760f1fc586366b6e0089cc81e2a9f273
SHA1

41521ae1dfde6c6c116fb47697dcfde5d941a04e
SHA256

08cbecf4bc6adbaf753a4947cb48b15f1a48d2f9db3d4a6113c3d02122ba9246
SHA512

4ef801f2182d72e48143aa47f1a2d3a7429e0f5ec1259eec078d165068f040e51a0afc226c7ca8287d8686fbbb927d1613dc5ca558c48dcf56acfe6c31300add
SSDEEP

1536:4QH5VT1TbO7aJ1+FbPyJ+xH7fTCI3iNj+2KlAJ3T:rnTk2xJeHbTr3iNr

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 3848	3204	AcroRd32.exe	91
PID 3204 wrote to memory of 3848	3204	AcroRd32.exe	91
PID 3204 wrote to memory of 3848	3204	AcroRd32.exe	91
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 3176	3848	RdrCEF.exe	92
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93
PID 3848 wrote to memory of 384	3848	RdrCEF.exe	93

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\760f1fc586366b6e0089cc81e2a9f273.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3204
- 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:3848
- - 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=00518E06CA9C6A764CF0510C0CED2D6B --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3176
- - 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=18BE10C402DE3846EFC51F6F8FF39959 --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=18BE10C402DE3846EFC51F6F8FF39959 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:384
- - 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=38F7273BF71C3FA474F227BE428C79E9 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1980
- - 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=E4EC2159D99F39519D6D72AF05E90EDE --mojo-platform-channel-handle=1840 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3508
- - 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=883FE80D4287906051969FAB1BC6D12E --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1796

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4504

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
1892058a34dfe760734b4d70c5269f8c

SHA1
14257fb6d7cc4345713bef2c82a72ea0c33e62dc

SHA256
c1be51e59fbf8f81a252cf2aee30e90d94e88a9636f1a8b0f7e81d8dd735d727

SHA512
8da686c7a371b0291091f47c756879db59f1b77f128f85e51c3dcb82f24c4d94913930cdde5c02e405ee515764e75663bcf32bb1c44c66db3bf2e25da669f706

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