7a4b408894de143a494074edcd5ad17f8d5c0fff3a8c7cc95a58a14d46df8889

Analysis

max time kernel
141s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25-02-2024 10:46

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General

Target

a39501bd600551d3747802e9e702c2de.pdf
Size

45KB
MD5

a39501bd600551d3747802e9e702c2de
SHA1

bd9b6cac47f64a728282c6be2aa9dd1a8d84f545
SHA256

7a4b408894de143a494074edcd5ad17f8d5c0fff3a8c7cc95a58a14d46df8889
SHA512

7396d3f7f06ec2c6b89e37823ff507b47529c403f3e0a10eda45815ac91738171a265426bd700928fb0508995b9d04f41f527b90bf93a48d577a133eaaa21a49
SSDEEP

768:7ZJm0TT3nspR3NJGzqSK8Hnugf/x90JnD5OEc8oRNz/aYNNi:1JVTTuR3NJFSKix90lNOEc8gF/aui

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-1-5-21-1712835645-2080934712-2142796781-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 4356	2980	AcroRd32.exe	93
PID 2980 wrote to memory of 4356	2980	AcroRd32.exe	93
PID 2980 wrote to memory of 4356	2980	AcroRd32.exe	93
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 5000	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4228	4356	RdrCEF.exe	95

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\a39501bd600551d3747802e9e702c2de.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:2980
- 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:4356
- - 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=1AA01E8888351C65E208B5B74C34EC26 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5000
- - 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=8942479E5772D6B2B9FC76030DC15F43 --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=8942479E5772D6B2B9FC76030DC15F43 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4228
- - 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=F45EAA9B2108C69FF37434192EDB23FF --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1076
- - 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=84502E06BE58C8BF436E2410A3C5B4DD --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2788
- - 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=1499B09D9EE2E80400241836D86DDA96 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2616
- - 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=794AE617B3BAC9927BE0F876572F5B89 --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=794AE617B3BAC9927BE0F876572F5B89 --renderer-client-id=7 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2280

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
77be5ff892288aeeb86b7f7300a611cc

SHA1
d3575a26e791f0b62b4722ea4cbb1048ceee5bc9

SHA256
90a36bb08e1628d90d56c99b1ebfce9d9601b658c3cb2e066d0d088e4cd19f16

SHA512
354a6a39f7554a1b87c6a9017162e910b89f2b4605bdd4fb5c8119cbf3ce88c4dcf55730393dd7d8d1c5052d28408bfce98867f7d87d99f548228e098c15d852

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/2980-28-0x00000000098F0000-0x0000000009911000-memory.dmp

Filesize
132KB

Download