cf240d13928b30dc7ab3e6e6198d8627673d90937f7d1c82ce2b6c6b11b7e83b

Analysis

max time kernel
142s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 12:03

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General

Target

17e805a6aa849921aa43be98561d1d38.pdf
Size

42KB
MD5

17e805a6aa849921aa43be98561d1d38
SHA1

5d7f3ab1e375f40003de781e2ca258e30c0096e1
SHA256

cf240d13928b30dc7ab3e6e6198d8627673d90937f7d1c82ce2b6c6b11b7e83b
SHA512

b136c5be4fafe195d93ff6378333ef3678aaf2e1a3a6038b4d28125e7086ccea09ffd4596a32ddd30623f11af490238829a9b7bf4b5c80d1577624025b3af710
SSDEEP

768:W7MKcOK/8IlsE6Oqn/6SavBIJxFs8IAXb7KvJks0kUymJRiw:W3cOK5otE8NXnKvJksyiw

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2444	2648	AcroRd32.exe	92
PID 2648 wrote to memory of 2444	2648	AcroRd32.exe	92
PID 2648 wrote to memory of 2444	2648	AcroRd32.exe	92
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 2912	2444	RdrCEF.exe	93
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	RdrCEF.exe	94
PID 2444 wrote to memory of 3332	2444	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\17e805a6aa849921aa43be98561d1d38.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:2648
- 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:2444
- - 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=F44E084C18DDC90F1B28924ED908D4D3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2912
- - 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=C45F189A540842348B8F6CBD2265337D --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=C45F189A540842348B8F6CBD2265337D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3332
- - 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=558C42EFC7DF79AF748530C47EC8730B --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2960
- - 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=6B06280533064413D36334890FDA8AA9 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3720
- - 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=A498B398F91CE717BE6710DD185ED89C --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=A498B398F91CE717BE6710DD185ED89C --renderer-client-id=6 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:524
- - 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=A0E47B946E9119F962C771175C26CF3E --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1952

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1704

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
82e798a37132026b4f88cab2ce494ccf

SHA1
0e5e1a7935ef3f3f13547a927bfa231a4e9639fa

SHA256
3dc9792e4e3e6c216c92255f5ae9d6e7c284eb507c8e259b58821b8e45c153da

SHA512
0bfcf27bffbc8156c8b7457d9588081959aeea2def1dd3036e77e662bb8fac98a5f8e5b6769bc384571dc6ba8da4dc940316684427b9f9fc34244188fdabb3f7

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/2648-27-0x000000000A5B0000-0x000000000A5D1000-memory.dmp

Filesize
132KB

Download