cd26157db33bda3f5c734998ab0dd31f5db3cd310e1789072b0b703a4b0e02b5

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18-03-2024 14:04

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General

Target

d3b225df7806e10ede373f9351683203.pdf
Size

34KB
MD5

d3b225df7806e10ede373f9351683203
SHA1

9f3dc31910be592cf9961fe1e6dbae9cc6c599dd
SHA256

cd26157db33bda3f5c734998ab0dd31f5db3cd310e1789072b0b703a4b0e02b5
SHA512

16cfea773b3a92515f7bb3dab97fc6b84b1e638c2ed1f8560829840b7466b602cb0a9653255c2321022e052b5724e310a8311a0506f6d88d8a470e5cbb6b40ba
SSDEEP

768:SDLs1ciYzOv1lT5uJyBZrGM22pW2Rq54iJzeNahVFt:sLGc/QlTIJqZCMJW2EzJzeyFt

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3048	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 4732	3048	AcroRd32.exe	92
PID 3048 wrote to memory of 4732	3048	AcroRd32.exe	92
PID 3048 wrote to memory of 4732	3048	AcroRd32.exe	92
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 3976	4732	RdrCEF.exe	93
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	RdrCEF.exe	94
PID 4732 wrote to memory of 1392	4732	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\d3b225df7806e10ede373f9351683203.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:3048
- 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:4732
- - 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=EDAEB95A17B8D866AEAC400D917A56C0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3976
- - 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=A5B91693786CDA5764146848833EE12B --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=A5B91693786CDA5764146848833EE12B --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1392
- - 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=EB0A65110AC0A86F074EE6BC4769D45B --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - 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=439EEA1F7EE3A3C321140E98FF5269F7 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1516
- - 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=BA8F9E08946667D06F4B4F727F20DFAA --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=BA8F9E08946667D06F4B4F727F20DFAA --renderer-client-id=6 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:856
- - 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=EC312CC42EC9FCD6C89359298211D7DB --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3712

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
eda1f4a3bb0d45cb2d58fec6f6b70da2

SHA1
2be7de7a724414be8a5ac91c16d754beb62898f3

SHA256
9047430502ac1078ca95ecb5e8b39b265e7eff950810a59863db31a1056ca614

SHA512
10b2e022d17b0ee922b31980fbae044616e42419025bb88871565a2defcaa55d683f5eb80f7b270e2d15b32891440caed87eb091af5e75448fcd1aa48acfb125

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/3048-26-0x000000000A190000-0x000000000A1E0000-memory.dmp

Filesize
320KB

Download