54e771e3665553653157db847a7588fcfb8638b2d9b0aa1d43fbc45f6c61fcd1

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2024 06:58

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General

Target

52d7e7681b801fc80605b147d705503b.pdf
Size

88KB
MD5

52d7e7681b801fc80605b147d705503b
SHA1

2fdad6f6ede1109e333bfaaeb224501161357490
SHA256

54e771e3665553653157db847a7588fcfb8638b2d9b0aa1d43fbc45f6c61fcd1
SHA512

1f33f7ef98cf4c269d8e0983e4a993338db891c5e04f3d411e0b5a8c95223d942be0c687c1cd2f10374d122864c8016fce1bcb9a41071c2d4ffae375d8161eac
SSDEEP

1536:/crTf5uhsMgvNptJm477yi9dfG5Xj6xrQRp2t7Ly8gyQWapOtQHWHPQxVIbCXwEV:Evf53Mga47Oi9de5Xj6xcsH/JtQC4IwD

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 976	3104	AcroRd32.exe	93
PID 3104 wrote to memory of 976	3104	AcroRd32.exe	93
PID 3104 wrote to memory of 976	3104	AcroRd32.exe	93
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 1488	976	RdrCEF.exe	94
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	RdrCEF.exe	95
PID 976 wrote to memory of 2324	976	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\52d7e7681b801fc80605b147d705503b.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:3104
- 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:976
- - 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=D1105D9FBD0B224E7CCD98BC4D5823B1 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1488
- - 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=F9114D11A322E9FD8818296769056EBD --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=F9114D11A322E9FD8818296769056EBD --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2324
- - 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=14F4C85CDED31E122DBCCAA9DDD1DB15 --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=14F4C85CDED31E122DBCCAA9DDD1DB15 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1772
- - 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=4056AAA3D81520086E5BB22A6CE82792 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3316
- - 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=4BBD2A2A920841D9990B0355F444CCB4 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2000
- - 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=E5068F00A3163DFA0ED800E0821B3ECC --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:620

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3656

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
b5e40aa93f3d44ec1c51b451e1a3c581

SHA1
772d489ebff1b4ed6d0aec187212f4e03bebe8f2

SHA256
b13c7311ec0bdf535ab2a219d146a5878ba1614c3670b8753e30602257606faf

SHA512
d27bb9d8b7a3136e3ae54e485274a1dcb269e52e21acc1d1a7d0ec2f307ffe664099bb15b3ada9348fa6168747baa2f78077c967cf0e46c7d26c1c22bc696fdb

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