cbd2e221bbeb1199f0c144124c4d54be0bfc8c64d1d59ac5298744a77db14a77

Analysis

max time kernel
140s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 23:19

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General

Target

664ca8db75d98b8fa536055dae1d3f2a.pdf
Size

34KB
MD5

664ca8db75d98b8fa536055dae1d3f2a
SHA1

6c9d431ec29eb86fa4a027aa522074fcc7bb9af4
SHA256

cbd2e221bbeb1199f0c144124c4d54be0bfc8c64d1d59ac5298744a77db14a77
SHA512

244089c02d78b0aa3035a4033e90f3592037a5f059e0b4a42d8b0b77c7a38dd03b87f40e872bda7ddc5e0ab16bbf1be2ffafd1438fcc20a3d426ff4dff217226
SSDEEP

768:T7uy4IBvKusR6HhsIBLZLSNTZaklSRAfllyfQGj2ENs:TiPIBCmp8ZakARA6f1vNs

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 2992	1452	AcroRd32.exe	97
PID 1452 wrote to memory of 2992	1452	AcroRd32.exe	97
PID 1452 wrote to memory of 2992	1452	AcroRd32.exe	97
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4124	2992	RdrCEF.exe	99
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98
PID 2992 wrote to memory of 4216	2992	RdrCEF.exe	98

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\664ca8db75d98b8fa536055dae1d3f2a.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:1452
- 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:2992
- - 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=D42A62DD27F073490EF3BFED2888896A --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=D42A62DD27F073490EF3BFED2888896A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4216
- - 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=2353BFEFC758288B25F687BE0BD55E25 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4124
- - 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=25C6BEF2B449889A2237C1CAF6957F98 --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032
- - 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=2E29F8DCAC639F5F1DE4703D00860703 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3540
- - 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=005DDEB4EB0FA291C06A02EA366B9F40 --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=005DDEB4EB0FA291C06A02EA366B9F40 --renderer-client-id=6 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2424
- - 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=0F4A4B8D871A7D6A5625514C706E6355 --mojo-platform-channel-handle=2824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4676

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
0477ab4f9f83a0cb7525e4659ad2a98e

SHA1
f160faac7e3187afbc43df8189da5a0549a11c51

SHA256
6affc76c65583670c78b1a68d41ba84cfeede4a99dd4df6fb22bfe038f080225

SHA512
d0f172559fcaa8e6a24889b73b522c6436c34089b5bb71a9693ad137ec7a89c25f61a99bbdcf1be024c2119382432464d81d38f44275e846ecc119c4e5eaefa5

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/1452-28-0x0000000009E50000-0x0000000009E71000-memory.dmp

Filesize
132KB

Download