a6ecdc47d6aa3b2b3f96a138eed28b45c2cb43d696f165b5d2fc5228e660661a

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 06:10

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General

Target

4aa58d4280f48fcf88d1d8b2dc409a94.pdf
Size

76KB
MD5

4aa58d4280f48fcf88d1d8b2dc409a94
SHA1

0f2e7903e69f00b6c6efac0ec383842cd25245c1
SHA256

a6ecdc47d6aa3b2b3f96a138eed28b45c2cb43d696f165b5d2fc5228e660661a
SHA512

4818b6acc999b56edda0271fb4ba751002c1f998125c73a09e113e15e8c92fdbdf073db4fafd8cdb6cd3a95b25a7b7fe36acde7e3e92a015b5d9ccc12fe2fd27
SSDEEP

1536:iEE51PqYk8QMipCQ+WhKIOWR+ScWXY8PLpN5SIHWJQsSwZWbpONPUhNMHKa:PMPqYk8QMgh+LIOWMScWXY8zP5CGwbNh

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4248	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe
4248	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 620	4248	AcroRd32.exe	92
PID 4248 wrote to memory of 620	4248	AcroRd32.exe	92
PID 4248 wrote to memory of 620	4248	AcroRd32.exe	92
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4772	620	RdrCEF.exe	93
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	RdrCEF.exe	94
PID 620 wrote to memory of 4996	620	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\4aa58d4280f48fcf88d1d8b2dc409a94.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:4248
- 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:620
- - 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=2015F1ADEB312436BABFC62B1ABF01DA --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=B01F9C3A3B444A554E4F6A9143647F82 --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=B01F9C3A3B444A554E4F6A9143647F82 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4996
- - 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=9B1FDEAE98FF03310D28D1898F0EBC3B --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2080
- - 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=B04DB6F9536F9BA5AACAED2856D50244 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2300
- - 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=0AF1F1510A5837F6B44313B74980F76B --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4544
- - 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=07AABA35CF5D48978E88D78A671533F1 --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=07AABA35CF5D48978E88D78A671533F1 --renderer-client-id=7 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:888

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2284

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
490db96e85052733ec5c02feae4f97ee

SHA1
60640ef4a17819dbb67105b729b506949224e176

SHA256
2dfc68ee78a8180f5a7ab868f27e5a540224cddc950a9ab340db838ae2a400e1

SHA512
a0307f997660aaa66024dfe96a6618aa012fc32936aaf95713ea537e2586e66586045aae226c887619b5c91c8d4e3cac9f1e9e1b305d5b79c74d31b8aecaa5bf

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/4248-27-0x000000000ABF0000-0x000000000AC11000-memory.dmp

Filesize
132KB

Download