b57eccb8f40f432e204e5ae1eef7f1c6563062fc62643f2e4449ee863f4f337b

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 18:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

99ccefeeb7487a6bc085f006d85b5f85.pdf
Size

81KB
MD5

99ccefeeb7487a6bc085f006d85b5f85
SHA1

99fb202c8669795fac78aef28c3a3eefc06cc23e
SHA256

b57eccb8f40f432e204e5ae1eef7f1c6563062fc62643f2e4449ee863f4f337b
SHA512

7ca1e9222fa6bb9dcdb9e84812367550c8b082eab017496a2db5c9efdc9c159fe686d3ac51ce4048e493f4fa6ecba963f74b5bafad0b9fbb970cea277a94340c
SSDEEP

1536:BoJPzWbKF5YkAODKngDaEDn+sINoLoiUaFdWU1ATki9tWspORSA+:CybKDWwamn+sIiUEv1ATki90Ru

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3536	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe
3536	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 4924	3536	AcroRd32.exe	86
PID 3536 wrote to memory of 4924	3536	AcroRd32.exe	86
PID 3536 wrote to memory of 4924	3536	AcroRd32.exe	86
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 372	4924	RdrCEF.exe	87
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88
PID 4924 wrote to memory of 2060	4924	RdrCEF.exe	88

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\99ccefeeb7487a6bc085f006d85b5f85.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:3536
- 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:4924
- - 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=3CBB3CDFAD17C670BDDE55B3C986FE40 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:372
- - 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=EAAE7C9978DCBDD7E6C92D6056AE1A0A --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=EAAE7C9978DCBDD7E6C92D6056AE1A0A --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2060
- - 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=0A193B23BEDEE4DB0144DD2B77FDBABC --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4972
- - 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=28F329500B9D9A0CBF9266E0BFD97EE4 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3656
- - 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=89ED299BC1658BC95D4BD2BB3FDC9204 --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=89ED299BC1658BC95D4BD2BB3FDC9204 --renderer-client-id=6 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:220
- - 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=C68E16C306AE5FAE28F07C19DD15E1A5 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1600

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
c6403a5dd02f812e1297b57b72ae1507

SHA1
6afe9d99a6917c25719d867f47087cff8e2db30b

SHA256
7bb646aff4b3fb6513adafd89b7d28f285cc13f39606294f269420f457df6002

SHA512
af11ca47f68a646cc58995d4ff7e93d0f4f1261d673e546c285139d1384d24574c27e86b9997be4e7610cc020dd7819cbd05c6c971f6ba1348f66400cd992680

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