2e9317201cc8190d0654ba4bb3e4f95b84b79df2e97323ee5a92d3f36ed4bf59

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2024 22:03

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General

Target

70acb3cd33731442361fb68e32c31de3.pdf
Size

22KB
MD5

70acb3cd33731442361fb68e32c31de3
SHA1

ddfebabc5d9765d183af90781293eb923e9bf518
SHA256

2e9317201cc8190d0654ba4bb3e4f95b84b79df2e97323ee5a92d3f36ed4bf59
SHA512

5269b9e02451614a49aff3a717bb32e58920fec30b48cc03ae8957b5a33e560c9bfcbc0c4608b8e2cb8187cd6aca9a0b406814f051b138d8bc12ac48e1eaaffd
SSDEEP

48:bON0ln9+mxdwxvMnwu/J8M/En7QZPI79YyitOlPqo:bON06mxdw+B/J5/EiP2

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe
1188	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 3016	1188	AcroRd32.exe	91
PID 1188 wrote to memory of 3016	1188	AcroRd32.exe	91
PID 1188 wrote to memory of 3016	1188	AcroRd32.exe	91
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4596	3016	RdrCEF.exe	94
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	RdrCEF.exe	95
PID 3016 wrote to memory of 4788	3016	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\70acb3cd33731442361fb68e32c31de3.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1188
- 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:3016
- - 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=9D1D5309DF586664990DBBE9852EB4EB --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4596
- - 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=0CAE2DE251DD842852F0EFFB753C9003 --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=0CAE2DE251DD842852F0EFFB753C9003 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4788
- - 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=8EBD35D3CC760CB4E9B4D2F054F65601 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:716
- - 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=B2D146DD5961D7F25A444C6435F3A474 --mojo-platform-channel-handle=2012 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268
- - 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=70222C32FACF358F3C7F60BE8876452C --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4180

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:496

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
d08cfd60780c7bf98914647dbee8732e

SHA1
8ae2a6e0435b414c3d61e4ba2f80562974174223

SHA256
f162e47ad6dc4534fcfce203bc4272e048ad5125126748b17f312e5ed554ae8c

SHA512
76519519b4d21ebd511acb8275d2adeba6a2904699bf925f8be9c2d37d1b2621621da969480b11e974eed4a8ecc16074a13af2b09d19728242a6e10ff292821d

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/1188-125-0x00000000099A0000-0x0000000009C4B000-memory.dmp

Filesize
2.7MB

Download