5f4141e9922dbe2565f82b08e6b7f15bd6fc2621b00e53c925011cce4d5e4808

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 11:47

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General

Target

1775ab1349d1491d6644f4007f3e0a0f.pdf
Size

91KB
MD5

1775ab1349d1491d6644f4007f3e0a0f
SHA1

660f4dcca50299ea3036e2b9f83ce794f1961c06
SHA256

5f4141e9922dbe2565f82b08e6b7f15bd6fc2621b00e53c925011cce4d5e4808
SHA512

c6dbc35e12705d18e17ef811355fee4a0485f113be8d7dd77c0adf6e3d983620c61b1b6793475623e45b4404bc8ad27314ce2cd2e4f09d93b58c73ef2d351372
SSDEEP

1536:DSA0bX+wPctC/DLbQz9DDCU9LsClGdH8J4AtvwDWOpOaZVR0gbDWFJyBYAYAl8gn:GAK+wPctCHbuR1BsC0H8TjaZ3Tbcgp1N

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
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2324	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe
2324	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2068	2324	AcroRd32.exe	94
PID 2324 wrote to memory of 2068	2324	AcroRd32.exe	94
PID 2324 wrote to memory of 2068	2324	AcroRd32.exe	94
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 3268	2068	RdrCEF.exe	95
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96
PID 2068 wrote to memory of 4948	2068	RdrCEF.exe	96

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\1775ab1349d1491d6644f4007f3e0a0f.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:2324
- 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:2068
- - 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=6578FF9280111CC9DC7CA1C06534144C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3268
- - 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=072BE3F108BC3E30621D2F5C5EB5873D --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=072BE3F108BC3E30621D2F5C5EB5873D --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4948
- - 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=9E426216442DACEADFFF0C5E3E690291 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1728
- - 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=D4274C73EE94278688FB2C823F6760DF --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:308
- - 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=0B79865CE8508237D776A76298F81EBC --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2336
- - 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=CADB992B5EC07B268F29B91F7CD3351D --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=CADB992B5EC07B268F29B91F7CD3351D --renderer-client-id=7 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4632

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4892

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
a5c64ebe8e4ba8d8deba7e4cc5f2a229

SHA1
67d2daccd080df3c065a4d4b62ed3f4c85b2fae6

SHA256
1a0c7b5d3e97b1c1b34f07a7fc9fde57d2219d1d6af75a367f7ef4f3a5d8a119

SHA512
143e24f132f97a5ede8b897f0cc185efa6d81ef479cc68cd059eab4325e2d6c78179e58eb6813640a2a1460613d4d9335e3c0cec780bb4111f1ea66067829007

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