541e713e3a4f01ee8413f8a0b5b9c3309947698139e1729c9c6e13ec146e7b26

Analysis

max time kernel
141s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15-03-2024 23:00

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General

Target

cc79e177075fdf703b69015e49893112.pdf
Size

86KB
MD5

cc79e177075fdf703b69015e49893112
SHA1

305ed125ed7bd51842d9d060fc78a489aabbf88a
SHA256

541e713e3a4f01ee8413f8a0b5b9c3309947698139e1729c9c6e13ec146e7b26
SHA512

bb9f0bf39f85de3c57a6dfd3e7655c77e59e87012ef265b020b719b21580d70b0853b8e0c75b16d858e1b72f078a7157847555cc2775f942673ef0b04c3ab37c
SSDEEP

1536:9LA4G0AwgjkgrPiAb1S1W4PZZ741xaxFYRNyg0WQrKIsDO+9c9BiWJWUpO783L:lA4TZD6PfS1W0ZZ74nJEgWKMBiWs7Q

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe
3724	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 4992	3724	AcroRd32.exe	85
PID 3724 wrote to memory of 4992	3724	AcroRd32.exe	85
PID 3724 wrote to memory of 4992	3724	AcroRd32.exe	85
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 2064	4992	RdrCEF.exe	86
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87
PID 4992 wrote to memory of 4392	4992	RdrCEF.exe	87

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\cc79e177075fdf703b69015e49893112.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:3724
- 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:4992
- - 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=9C8346E359FF55E66A628AB73DAE6733 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2064
- - 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=CBE404D240BFF76588D121A168CCF303 --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=CBE404D240BFF76588D121A168CCF303 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4392
- - 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=E5C0BD8269906EB19843B42D67772C36 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4336
- - 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=88481965072C6C83FD5BB610D6D54E51 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4748
- - 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=C23EDFB2F6F147D8DE1B39F645E99859 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4572
- - 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=BA3AE4AD52950580F86DC2C5827C5580 --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=BA3AE4AD52950580F86DC2C5827C5580 --renderer-client-id=7 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2664

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4488

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
82435fa1572ab61a53ba4ea339341f3a

SHA1
82c1ba96c3a0ff072d60487adca1a29eb359cf73

SHA256
5309db7c19806e9a3b60af34521c2e7527fdfb5ce1d909c8e1e66c42538aa046

SHA512
3ac05bcac9f00dc53b3a792f3e83be5a0fcbcd80bf00efe6fcf813b8082eae224d7fc12703611089176f19086b990f30ec4c44a229f792d07dd6456147b4a681

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/3724-26-0x000000000C630000-0x000000000C680000-memory.dmp

Filesize
320KB

Download