291dc0adccce2546f344148ac1522317cb00084a253fdefbe10a17b0de08138e

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 18:57

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General

Target

72cb7539dacc1e2d2dc86a261f2a3e86.pdf
Size

79KB
MD5

72cb7539dacc1e2d2dc86a261f2a3e86
SHA1

4ac73f18b54878dbbf23e3117a3f93ff4b3ed5e1
SHA256

291dc0adccce2546f344148ac1522317cb00084a253fdefbe10a17b0de08138e
SHA512

14dd27451466173f5eb08f60a3459c5ea6ed3e200d145e4d75d9f99aeaee55b65f90234a2268912e1e772d413fd54a2d7320ba5bd9f9f9e2dde9c69bd5ebc212
SSDEEP

1536:l2ww5DapJOJxwHIr68vlDBvJDH5XpmGJesYOWBQXQuS5KB0j7EWQpOCcbo:Zs2JQCI2uvZH5XpmeepzVRKSj7DCT

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 1684	5040	AcroRd32.exe	92
PID 5040 wrote to memory of 1684	5040	AcroRd32.exe	92
PID 5040 wrote to memory of 1684	5040	AcroRd32.exe	92
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 1560	1684	RdrCEF.exe	96
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95
PID 1684 wrote to memory of 2256	1684	RdrCEF.exe	95

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\72cb7539dacc1e2d2dc86a261f2a3e86.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:5040
- 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:1684
- - 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=A6360D7F646A8F24714FE6C9625A1FA4 --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=A6360D7F646A8F24714FE6C9625A1FA4 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2256
- - 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=84D56C422180A5A5F463FD6C8C7ECBC3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1560
- - 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=5E5EC67ADFA910821CFCF9E7FCF8ABE1 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1028
- - 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=9046678C5B21FB17D261E4788638B556 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3120
- - 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=7B3DA1F0E73570433A6DD527832A823D --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032
- - 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=7261E6D03859DA54AC54DFDB3FAEC86B --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=7261E6D03859DA54AC54DFDB3FAEC86B --renderer-client-id=6 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3544

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1092

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
7bf6a8b6b0120b8602016db34813189d

SHA1
3f1c3ee11789a0d51f3ef0aa7138627f070c2496

SHA256
335fad0a0f3a3ec3dd856f9a7d253497ba4af55aea6070cc08d25422ebcdcf37

SHA512
91ebf2f7d5a2d01ac50f04a0a092f7b3486efee29f3ce1e47879191213612b51df5418c1b45623e58c5c9683f74655b16a9bc152360e9df40e28b4bcfea93425

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
26KB

MD5
6fb407ebe205684ef234299ad40e9996

SHA1
e1b70e731dbafd399d9f21a6f91ac2c968681229

SHA256
2b131e3a0fd7d1d763f40b3a977326d8d7d9a1295d9a5f15522ed7193e19a54d

SHA512
d4a2af55f273d398738efc017c4499a6f65d99b09c83332bf32ed2ab09b933a42f04ef2722be1f51e4286d635552b03a1b75337ac331a33e4a9ecb7e8f684622

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/5040-26-0x000000000AA20000-0x000000000AA70000-memory.dmp

Filesize
320KB

Download