21bf41785e93999cf1bc37a999b23fe243c3c92d31fd313633a55e1a62809a37

Analysis

max time kernel
149s
max time network
156s
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, 22:41

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General

Target

1ec27b2a0040f768cbd80455615fcff2.pdf
Size

91KB
MD5

1ec27b2a0040f768cbd80455615fcff2
SHA1

dfef96d4d17843058ee6334d028de4069ead55f5
SHA256

21bf41785e93999cf1bc37a999b23fe243c3c92d31fd313633a55e1a62809a37
SHA512

4225c2a03e0b11ac1e2033c616f405d0f8e1f00d95b5b9aa7dfc9b50806e979f69d50af3fb79bedea8a6d6b44d4ff750114e1b97b4b35fa817e6b7c8da83cc1a
SSDEEP

1536:8pTxbKAeCPbvLnU2nzbZYyRDgopmIWYXuB6DRclG8JUDr5oFJg+92L+JP8qoQFHR:6VeCPbvLnU2n3ZYyRE6maS6d+MrfW2LU

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
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe
5076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 4004	5076	AcroRd32.exe	92
PID 5076 wrote to memory of 4004	5076	AcroRd32.exe	92
PID 5076 wrote to memory of 4004	5076	AcroRd32.exe	92
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 3476	4004	RdrCEF.exe	95
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96
PID 4004 wrote to memory of 1244	4004	RdrCEF.exe	96

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\1ec27b2a0040f768cbd80455615fcff2.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:5076
- 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:4004
- - 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=579B9FE9952E0D1FD253909E6DA22C5B --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3476
- - 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=EEF663F6694D19C8607EA6DFB1B87973 --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=EEF663F6694D19C8607EA6DFB1B87973 --renderer-client-id=2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1244
- - 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=FC1035CC9788F1A8772CD15CFF168879 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1632
- - 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=5F14094C0F1C3817A6D574248EAFA264 --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=5F14094C0F1C3817A6D574248EAFA264 --renderer-client-id=5 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5088
- - 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=58B30F1D9C2683A00DDF6D673767E633 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1676
- - 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=090E138F89CE7E33C61EA5D33EB220B5 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5072

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
c31a7e2274188fd6b005c101be174410

SHA1
06dfcc5247c91ca907b6f4c44a800dd95e1159b1

SHA256
c1929bd241dfd819cee2a2c44932a70ac7bd9063b703657737274d5fa1c7f38d

SHA512
588926168d1ea7cb9000be4304ec7bebaa80a07ab3a46e723a1e040767c60b602d260d1b0a6992d6d417a99894783cd51b4cc96a60eb331cbc31042acf3f8d48

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/5076-27-0x000000000B540000-0x000000000B561000-memory.dmp

Filesize
132KB

Download
memory/5076-128-0x000000000B540000-0x000000000B561000-memory.dmp

Filesize
132KB

Download
memory/5076-134-0x000000000B540000-0x000000000B561000-memory.dmp

Filesize
132KB

Download