6f508703d0694bcb9d28a00266b259a444e33539d43dd366ba8d027ecda00c2c

Analysis

max time kernel
140s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2023, 22:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ACH-May-2023.pdf
Size

37KB
MD5

534402305d732e7bca6a62914c747af4
SHA1

ab80ccc98aeee87d0b6c0da78b13dda291492dec
SHA256

6f508703d0694bcb9d28a00266b259a444e33539d43dd366ba8d027ecda00c2c
SHA512

22615fec6dbf697445e72baf782bd42eb6252d2ce124fcef3876493ceda4c63fb2cd9d9ce1fd801c23d5b48a56c779998efa21b6fedaeae35dfbffb276a9a920
SSDEEP

768:EH6WGy0rvdaFwZz1qV+VzfbAkIiE9iuUQ:EzGdhVqgVLbk9itQ

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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 3704	1796	AcroRd32.exe	85
PID 1796 wrote to memory of 3704	1796	AcroRd32.exe	85
PID 1796 wrote to memory of 3704	1796	AcroRd32.exe	85
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 3876	3704	RdrCEF.exe	86
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87
PID 3704 wrote to memory of 864	3704	RdrCEF.exe	87

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\ACH-May-2023.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:1796
- 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:3704
- - 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=A5453F23611248409D9F719641546CD4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3876
- - 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=8E0DD7E25E0E918A3FC96764672FF2AA --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=2 --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=8E0DD7E25E0E918A3FC96764672FF2AA --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:864
- - 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=9E5C64F0E5C42A492695BAE2D3C71E5B --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=2 --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=9E5C64F0E5C42A492695BAE2D3C71E5B --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:616
- - 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=2A49058425CA6A810DEB6CE79B77E0AD --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720
- - 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=C762332B3C367AD96161D313144DEE42 --mojo-platform-channel-handle=2656 --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=40EBBEE2587E1FC634EA8B30C5352C94 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4444

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
6d39a0730a78a7d918aaec56985ce284

SHA1
f0713e5fb87dbff2abbb60606ce1b013aad046fc

SHA256
47899d8b029748ca06b30c75d44313a09b3f75ffeab820bdb2cc64a7a6ca3b96

SHA512
a890aeb1411795d04e83f4c3da069af8d0371998399448016f776517943975e219691fe7265fbafd53bfd7bf958c5bc15fdebf18df6ca68daff07224fcb293be

Download Submit
memory/1796-161-0x0000000009EA0000-0x0000000009EC1000-memory.dmp

Filesize
132KB

Download