f12f5796a8d8ebd8a5226934452178d61672452f470c40854571e22800988324

Analysis

max time kernel
145s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 01:03

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General

Target

2281d51a0f962e1b6c218b87b690cbc4.pdf
Size

99KB
MD5

2281d51a0f962e1b6c218b87b690cbc4
SHA1

14e6b8920e0bf8276a53a7fa5aa56cbb691dff0b
SHA256

f12f5796a8d8ebd8a5226934452178d61672452f470c40854571e22800988324
SHA512

961bb98228c58651f8fa3808c9f56cc20a94cb236d56c3ec3adae92785f4f1c750c779072eee17bae7bd203a1dcc9d9901c1558fa55fd6a2b8b58a5ceef73a63
SSDEEP

3072:VZQl5EKYA07ZPbabzhEH7vU6b8YXM/xolLa8jEV6QE:FtVPbabzWbvUKp8pVe

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2028	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 4948	2028	AcroRd32.exe	92
PID 2028 wrote to memory of 4948	2028	AcroRd32.exe	92
PID 2028 wrote to memory of 4948	2028	AcroRd32.exe	92
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 3168	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 2684	4948	RdrCEF.exe	94

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\2281d51a0f962e1b6c218b87b690cbc4.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:2028
- 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:4948
- - 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=7640F91F57320A28498FEFEE5CFD7247 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3168
- - 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=ABB7C213E59E2F0AB110BBE672EFEBAF --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=ABB7C213E59E2F0AB110BBE672EFEBAF --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2684
- - 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=1B22AEEC4F5B4E210FA2E6E340FB2119 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:404
- - 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=125D5290A7D3E3AEA56393567BF4C46F --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=125D5290A7D3E3AEA56393567BF4C46F --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3756
- - 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=F0E44A46F2E4B38E7EC4C2BFBDADEA40 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4048
- - 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=190440C99BF141E9D3F38E8A0A321C46 --mojo-platform-channel-handle=2636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3632

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4012

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
8751098cb1986558fdbc3b888683f626

SHA1
d8a1a3ac2784a28351e80fe310eb4e29e2e752e1

SHA256
fc982085d8f35bc4fa9ab19849343b0f71a59b117fbc16a957f8cae1e5076297

SHA512
133d34bf59dd7f3145375aafc2a396bc94228b577c743cce070d388fe77ce9716288902830581f2459a5cd9bffcba495e5b61119796baba3073217a7df77b3a4

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/2028-28-0x000000000CB60000-0x000000000CB81000-memory.dmp

Filesize
132KB

Download