d3c1b93d5cc4524311133be2a3365e287814b7f28d6931a05ea6415fe34c164e

Analysis

max time kernel
142s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 17:47

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General

Target

a25ed52c80ea61f75cfde7206258ce04.pdf
Size

87KB
MD5

a25ed52c80ea61f75cfde7206258ce04
SHA1

bca99c43019a56e32c795fc5ef7df40265851832
SHA256

d3c1b93d5cc4524311133be2a3365e287814b7f28d6931a05ea6415fe34c164e
SHA512

e237bf8441adc81ed3eed7f64b14d3331f83fde734b127c157a0540c824ebf7deae51ef6e4083a6cb201b2c4bdea25d109d43f8e0e7f8d0aae83af9cd74d9d08
SSDEEP

1536:UDgJJzBo4loAq7ZvedM4NIFGp5Z6/mN/jRTn7OT6dtPvBpf/D:XJXSZv14y05Q/mNjVn7O+PvHD

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-1-5-21-3316742141-2240921845-2885234760-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 4044	232	AcroRd32.exe	91
PID 232 wrote to memory of 4044	232	AcroRd32.exe	91
PID 232 wrote to memory of 4044	232	AcroRd32.exe	91
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 3568	4044	RdrCEF.exe	92
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 2372	4044	RdrCEF.exe	93

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\a25ed52c80ea61f75cfde7206258ce04.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:232
- 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:4044
- - 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=ABF6950E750A8478630F72A355E2FE2B --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3568
- - 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=A42EDFAC4C66E33321114902C9DF0975 --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=A42EDFAC4C66E33321114902C9DF0975 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2372
- - 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=A3E7364B87063B181B1D02AB88A47174 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344
- - 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=C7D23EFE3EFF41482AA0E4049DEF08B1 --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=C7D23EFE3EFF41482AA0E4049DEF08B1 --renderer-client-id=5 --mojo-platform-channel-handle=1988 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1240
- - 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=7777D7FC0CE1BCD52D1D68CBCB344438 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4400
- - 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=288B094FE3FC5579DF02543E61328BB4 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:408

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1460

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
f99aa401440fdd200b554150b35c615a

SHA1
7b99cceae36119490dec54322218414e52e9056e

SHA256
828f5f4b6bc041cffbe092547eb762e1ff28612aa4da8bb7d370246206c87329

SHA512
781caba118124e98a7e4a244f736aa918c85ac1493bc110c32d73f8c1f739b51ced7ef8c96c9249dceb5e72bcb47e039f7ea6ae6b2c349c137f4bd8c194bb544

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/232-26-0x000000000B630000-0x000000000B680000-memory.dmp

Filesize
320KB

Download
memory/232-28-0x000000000B630000-0x000000000B651000-memory.dmp

Filesize
132KB

Download