9b74215d7f250ef152ba457eca2bd97d9d85dbccee1361b912a6a90c8921e358

Analysis

max time kernel
140s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 08:36

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General

Target

672bebeb24e6bceaee97c32f61c6460e.pdf
Size

90KB
MD5

672bebeb24e6bceaee97c32f61c6460e
SHA1

0446f52d636ad6d25e06bb8ffb204b4024dc809d
SHA256

9b74215d7f250ef152ba457eca2bd97d9d85dbccee1361b912a6a90c8921e358
SHA512

0e7958c61079f46e54704a0a6e9ec808341827d2bf1dd4e8b56c635b9028f072ed183c41c0f3d263138f3ef1a2217434085711d93a12c35d24e5f3b57658b50a
SSDEEP

1536:FkGqELucit36tt+KRYZVbzp3WbmSsDQc1Lx7G3BIWa7n7Crdn4liWUpO7jX7yR:Bpu/twoKWZx5WbQDr10m6Sld7jXc

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1384	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 2492	1384	AcroRd32.exe	100
PID 1384 wrote to memory of 2492	1384	AcroRd32.exe	100
PID 1384 wrote to memory of 2492	1384	AcroRd32.exe	100
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 2200	2492	RdrCEF.exe	101
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102
PID 2492 wrote to memory of 1672	2492	RdrCEF.exe	102

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\672bebeb24e6bceaee97c32f61c6460e.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:1384
- 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:2492
- - 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=DF5AADAC98421ECB3327A7B6E67741EE --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=DF5AADAC98421ECB3327A7B6E67741EE --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2200
- - 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=BD4D933BAB1501A77AFD569885F6232B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1672
- - 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=4CEC46EBD16F0A47D145863D36BEED29 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1408
- - 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=AE18374500F632767A75D18D54A0178C --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=AE18374500F632767A75D18D54A0178C --renderer-client-id=5 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3356
- - 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=9BD8E7D54A49D87DDD6C509D1E9064F9 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3516
- - 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=F57551BEB7AB55B55889B7ECB13F1768 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4380

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4156

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
061537a7afb92cd5fa8f2fd76755b148

SHA1
59efa2cd5f3c0a0dd481ed7fe970e0d383d156ad

SHA256
f079e5feb0e099138c3f4ecbea18f6c01ce199d8ff07c66dfd579d52e3c370b2

SHA512
59d33a2fc02579f9f01c2fb84cae4ee26d674cd8304c0fcbaf2fd4773e234c7b27e4df6c82e7fc4fdbef81aa39e14e05707ad347f0110639cfc36d37a86d0eba

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/1384-28-0x000000000C080000-0x000000000C0A1000-memory.dmp

Filesize
132KB

Download