0fe3a874ff602871f9915d17c1e05e0884f603a7a37591874959f21ca7f931af

Analysis

max time kernel
142s
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
05/01/2024, 17:42

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General

Target

440b1fe1c50e78200227897ebbcd5feb.pdf
Size

115KB
MD5

440b1fe1c50e78200227897ebbcd5feb
SHA1

b1acb5bf497a609dacc743c69547801454197607
SHA256

0fe3a874ff602871f9915d17c1e05e0884f603a7a37591874959f21ca7f931af
SHA512

0db13a2e8666ee92db25d121df7938dc5681e069d7f6ce9217f96ff768b57594fd527fe4fd56a535f95e93743703ca6a9267a12f1320a700c69dcfc708af4d3c
SSDEEP

1536:ED2LBb4QavKVaLu1yIGLwQnQs1VArw/wlY2sCiFRfT1K3MBdR4Vsz/7XuwWGgLfv:M2VrjVVEnN1dwlYjfe8ysD7XuegL/95

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 4528	4704	AcroRd32.exe	91
PID 4704 wrote to memory of 4528	4704	AcroRd32.exe	91
PID 4704 wrote to memory of 4528	4704	AcroRd32.exe	91
PID 4704 wrote to memory of 1068	4704	AcroRd32.exe	92
PID 4704 wrote to memory of 1068	4704	AcroRd32.exe	92
PID 4704 wrote to memory of 1068	4704	AcroRd32.exe	92
PID 4704 wrote to memory of 4644	4704	AcroRd32.exe	94
PID 4704 wrote to memory of 4644	4704	AcroRd32.exe	94
PID 4704 wrote to memory of 4644	4704	AcroRd32.exe	94
PID 4704 wrote to memory of 1052	4704	AcroRd32.exe	96
PID 4704 wrote to memory of 1052	4704	AcroRd32.exe	96
PID 4704 wrote to memory of 1052	4704	AcroRd32.exe	96
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 1152	4644	RdrCEF.exe	97
PID 4644 wrote to memory of 4652	4644	RdrCEF.exe	98
PID 4644 wrote to memory of 4652	4644	RdrCEF.exe	98
PID 4644 wrote to memory of 4652	4644	RdrCEF.exe	98
PID 4644 wrote to memory of 4652	4644	RdrCEF.exe	98
PID 4644 wrote to memory of 4652	4644	RdrCEF.exe	98
PID 4644 wrote to memory of 4652	4644	RdrCEF.exe	98
PID 4644 wrote to memory of 4652	4644	RdrCEF.exe	98
PID 4644 wrote to memory of 4652	4644	RdrCEF.exe	98
PID 4644 wrote to memory of 4652	4644	RdrCEF.exe	98
PID 4644 wrote to memory of 4652	4644	RdrCEF.exe	98
PID 4644 wrote to memory of 4652	4644	RdrCEF.exe	98

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\440b1fe1c50e78200227897ebbcd5feb.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:4704
- 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⤵
  PID:4528
- 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⤵
  PID:1068
- 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:4644
- - 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=F4E79A191137A4AE7895CADB7003F427 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1152
- - 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=E91694AAB1B879105B991C0F3628DCFD --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=E91694AAB1B879105B991C0F3628DCFD --renderer-client-id=2 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4652
- - 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=A5144CAE873C4F80DE3DC4412A09A110 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4072
- - 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=A9098AA7F88FEFE56ECA584CF692C157 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3688
- - 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=7D93B56F984BB4D439D35B6C9F909C35 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4656
- - 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=C2481D85C4517F88AC6B1E72D5DAF2C9 --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=C2481D85C4517F88AC6B1E72D5DAF2C9 --renderer-client-id=8 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:804
- 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⤵
  PID:1052

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
64KB

MD5
0bbc90e81aa156f9be263612f3a5fd5a

SHA1
8a61efb6f2809437b7cf7ad59950b9c4d9e83519

SHA256
ebbf20e18a538c75ecf577125a17823253312fe3f43d0c245ca54ee9f8dd164b

SHA512
20a754a1202d0b09b6e9cc3fa64087ddbd24adfe7a02b5b90d52b5caad228b430b2568ec0542d0692443931187c54028fcc8e9adeb1e0b8c303c1b2a43927ffa

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4704-14-0x000000000C780000-0x000000000C7A1000-memory.dmp

Filesize
132KB

Download
memory/4704-139-0x000000000C780000-0x000000000C7A1000-memory.dmp

Filesize
132KB

Download