03865bd64e721d56ad9b649f0ad663efe2a251175057f8dde80a244a616397e5

Analysis

max time kernel
152s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2024 15:59

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General

Target

77c7f029ff21b3aaedc32186e9536fd9.pdf
Size

107KB
MD5

77c7f029ff21b3aaedc32186e9536fd9
SHA1

16a04137881cb5184a3ea885efd550e1a6cfe710
SHA256

03865bd64e721d56ad9b649f0ad663efe2a251175057f8dde80a244a616397e5
SHA512

d8ddb7984000a9f8d50a4fbc10da4e0cf88d3210583a19af8e3751d41af6d5883e6e6db050f1a1616b8f5ee53c4218766d4161d3309ba35b1e5422a4a8b77824
SSDEEP

3072:NiEQD27mi1HKeMJnTE1w8l6oHwq6fQ3HHFOj:wfDVi4nQp6Ulo

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe
2232	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2144	2232	AcroRd32.exe	92
PID 2232 wrote to memory of 2144	2232	AcroRd32.exe	92
PID 2232 wrote to memory of 2144	2232	AcroRd32.exe	92
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 2032	2144	RdrCEF.exe	93
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	RdrCEF.exe	94
PID 2144 wrote to memory of 5088	2144	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\77c7f029ff21b3aaedc32186e9536fd9.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:2232
- 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:2144
- - 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=6008BEB04EF4D4FA82328FDB5CF71E0D --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2032
- - 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=8C4370E7ABB073D2E4AC5BC951217ACF --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=8C4370E7ABB073D2E4AC5BC951217ACF --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5088
- - 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=B3768D37E102C6EEDF90D1FDFFCE8511 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4180
- - 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=A0DDB84DFA3E02BA09F0D1B979A44BED --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=A0DDB84DFA3E02BA09F0D1B979A44BED --renderer-client-id=5 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1540
- - 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=20D78DA6F8E56A0896D17451BC81E5EF --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1252
- - 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=31A667C8650202169CF202B651356F48 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4644

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5040

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
c8db0d85c1fe8ff5e840e781c7426018

SHA1
a81e823526a076223eb4d59a8a5a186866b4afbe

SHA256
07d5704968bcc33e4e68a5944d3041a876785b61d1dbf627221b7f7db5ca389b

SHA512
4a61592b18e2c25aae8c5e21414bd43f753a593a90776285ebfd65c39516425eecff006a731c6913a6d924e97f8d4687ebfe990f70534cf8c8973c7d3d79a7af

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/2232-89-0x000000000BE30000-0x000000000BE51000-memory.dmp

Filesize
132KB

Download