e2a579d7abef8afe68f9f23278e3488f7218a71283acea349cd3fb2ae4266a9a

Analysis

max time kernel
166s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 23:28

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General

Target

b5ed457557b19205e5c4b4722ad130d6.pdf
Size

76KB
MD5

b5ed457557b19205e5c4b4722ad130d6
SHA1

cf71fd3a7a28ab0650552b6e90da3f7db990d2c9
SHA256

e2a579d7abef8afe68f9f23278e3488f7218a71283acea349cd3fb2ae4266a9a
SHA512

3f03f2ac8b1f0705eb9c19aae3605a7ffe9dd43e46a560d41c71afb7b9de8a6bc825df942c27c18f6e9ced54120468a31022b45426411cae1f98c4793492ef69
SSDEEP

1536:P13vdmRMOG3olnkCiiBtjOvd5Xgpyvlk3t9qxU/jaHZNuYaaqnDgYvdtN46:N31XctkC1LOV5UGlk7EUbkZaaqPPb

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2348	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe
2348	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 4344	2348	AcroRd32.exe	90
PID 2348 wrote to memory of 4344	2348	AcroRd32.exe	90
PID 2348 wrote to memory of 4344	2348	AcroRd32.exe	90
PID 2348 wrote to memory of 4584	2348	AcroRd32.exe	96
PID 2348 wrote to memory of 4584	2348	AcroRd32.exe	96
PID 2348 wrote to memory of 4584	2348	AcroRd32.exe	96
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 4636	4344	RdrCEF.exe	98
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99
PID 4344 wrote to memory of 3980	4344	RdrCEF.exe	99

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\b5ed457557b19205e5c4b4722ad130d6.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:2348
- 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:4344
- - 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=A6E6A53EE51EA86C95DE953FDF37C6B4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4636
- - 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=FB388A20BE52DFB3392ADD5F988CA02D --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=FB388A20BE52DFB3392ADD5F988CA02D --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3980
- - 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=21D3C96F645A5CF7874D9130A22D91A6 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2512
- - 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=A6DBC38B96AA081174035F98109824B6 --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=A6DBC38B96AA081174035F98109824B6 --renderer-client-id=5 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:776
- - 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=166F3D4E7563B10DD7B369A9DBE25982 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4468
- - 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=E00D819E532A7B147E9660F43501E021 --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2356
- 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⤵
  PID:4584

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1648

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
b1b5386c06aa9ee3e835a00cd88aefaa

SHA1
b841b5f8e03881039e472b67418661477f2cb799

SHA256
f260060d870823326499662ff2730e457d11d80bc014883d7b175d82300d12ce

SHA512
b4717ceafd58354914a3dadf6a6d060a4041b6580b2a7678836740d51b718dc081bbea57856349cdce9f133300a1cc01485094fa0b1a09367279ad88d988f623

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