3e022027d4c4f1460675ae1994fe49b06ecffcf7b1b6fc810034b72d8edd5811

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 11:14

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General

Target

118acfdadaaa51bdab3fab5474052454.pdf
Size

81KB
MD5

118acfdadaaa51bdab3fab5474052454
SHA1

67a847ebf318cd177902d1de59cd6970af457d83
SHA256

3e022027d4c4f1460675ae1994fe49b06ecffcf7b1b6fc810034b72d8edd5811
SHA512

b02c7e50b3aa0f6121c325d2d95303751827ba7d96e0458b3d9ae8ab30f79e773debe5fa2ed6e40aea2f3616d25243db475dbf3f32ddf3cda112e5a380b40920
SSDEEP

1536:GkzDT24liyhaCGFvGStv0sGuwoMyXYZQOmI9LhWM5xGBupW5qLhWwpOSaED/:bze4TsCuv3vsuwRIGgIXbTpW5qL4SX

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4220	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 2044	4220	AcroRd32.exe	93
PID 4220 wrote to memory of 2044	4220	AcroRd32.exe	93
PID 4220 wrote to memory of 2044	4220	AcroRd32.exe	93
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 3524	2044	RdrCEF.exe	94
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	RdrCEF.exe	95
PID 2044 wrote to memory of 1592	2044	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\118acfdadaaa51bdab3fab5474052454.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:4220
- 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:2044
- - 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=A146FCD15A4B3C82348D46A75DE0DADA --mojo-platform-channel-handle=1704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524
- - 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=35050B0E22A675208F11AFDE56B6A0E5 --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=35050B0E22A675208F11AFDE56B6A0E5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1592
- - 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=6EEF250209B459D4D45B641AEB0B18DC --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=6EEF250209B459D4D45B641AEB0B18DC --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4940
- - 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=6675B7CCAF74FB1A040431EDE3B2356A --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4680
- - 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=56878134AA09197D6A886F72173120DE --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2272
- - 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=40B33A4FBFBAC6CE82230AB1CDEFD747 --mojo-platform-channel-handle=2860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1220

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
0d467b0d11531198d5e0633ba081e72a

SHA1
3efad4243ecc93d49e7d5309d9f047c1872b93db

SHA256
816ec3daffdab9ae2b9ea85c4be247ad181d769f746c093e86b3187f97b0028c

SHA512
1f51d22f1e451e1b3d1fba30307a9d003df5684339ed5b2042bf804880f2faafd6a8e7d06e408ccbb382395fa0d44138a9709c4c808cdedc6c1df81e958a1631

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/4220-26-0x000000000ADB0000-0x000000000AE00000-memory.dmp

Filesize
320KB

Download
memory/4220-27-0x000000000ADB0000-0x000000000ADD1000-memory.dmp

Filesize
132KB

Download