de9422955d69dc12bcf45c2473fef83140a13bb2b0d554f0f6d0b7a5326b2d8a

Analysis

max time kernel
148s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 15:49

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General

Target

7a336df5761540a48c2fbd4eea6eb991.pdf
Size

83KB
MD5

7a336df5761540a48c2fbd4eea6eb991
SHA1

632adb4e3b2072f3493078d15ea1ed230248960e
SHA256

de9422955d69dc12bcf45c2473fef83140a13bb2b0d554f0f6d0b7a5326b2d8a
SHA512

651aaa251715725c294ad01c4bb3c88e8e694caeb6793f4c7c42e841772104a07ef842fc55cf9393c41fd42b093e3a6901680120a8573a20d97a853e4f0dc920
SSDEEP

1536:7QerDRHa2hcOvUc4jfapSzUlU9AGykgliHWxugzWGpOKIjrIpDW7hbwJ/NyQbhf:k6D9a6cOIPGU9TyF0gUKIopiGJ0Q1

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
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2172	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe
2172	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 4920	2172	AcroRd32.exe	95
PID 2172 wrote to memory of 4920	2172	AcroRd32.exe	95
PID 2172 wrote to memory of 4920	2172	AcroRd32.exe	95
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 1100	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99
PID 4920 wrote to memory of 3036	4920	RdrCEF.exe	99

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\7a336df5761540a48c2fbd4eea6eb991.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:2172
- 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:4920
- - 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=7D5D076D4EF87190DE1DDB6657841313 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1100
- - 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=1FF1FC46E4DECFA963629D6364D64D10 --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=1FF1FC46E4DECFA963629D6364D64D10 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3036
- - 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=A4264117D18C773FFF0980029D162EF2 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4636
- - 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=F98942983B4805C02F0949832FBEE31B --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3196
- - 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=C34F8D15C9A2656AF74D63D5DCC8B2E2 --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=C34F8D15C9A2656AF74D63D5DCC8B2E2 --renderer-client-id=6 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:644
- - 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=3CED52FB9F8EE442E3EB160FA48E66D2 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4396

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4336

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
937749deb5423a73b819e7fefea71215

SHA1
e6966ea86c76c9436e6a751f27ca534e365bfc3b

SHA256
a40a17546257b3aa4f0237293be45076698fbaaf652856dd549f25d8251c3e0b

SHA512
294fd264b6d491170f2d312440a5fd15d1688ac95bcc4566110692b97a028ba6bbb7fc0413a7e6afb6c79b607d03014bcdf141ebf73242fd5b687a3297b272e2

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/2172-28-0x000000000B940000-0x000000000B961000-memory.dmp

Filesize
132KB

Download