24e06986ea601a017361cb8506f3d8291be9c2e089777d3a938208aa2bdde8b2

Analysis

max time kernel
142s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 15:22

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General

Target

a22d31ef70d5d9aefd4b1e5f11b12079.pdf
Size

46KB
MD5

a22d31ef70d5d9aefd4b1e5f11b12079
SHA1

e3d893cd6b9d7d20f703f8bdcfff9e2c61f777c5
SHA256

24e06986ea601a017361cb8506f3d8291be9c2e089777d3a938208aa2bdde8b2
SHA512

6b2e178d40298ef60a3f4970909437456630d5c91eb9dd51db5fe4cb3798cef5f24832e580c06dcdec023ebf23851e50a93aecc509e1e26508389f641cfa7b36
SSDEEP

768:7yCu5tPPsz4Qs5Obj11SLzqPeBz+/My+AymGBcOxA8HF0+ov/p1bUyCUY7XTwVM0:D+W4QGOHhOiMsymGa6AO0+ov/pJUTUYk

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-1-5-21-3316742141-2240921845-2885234760-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4288	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4288 wrote to memory of 3360	4288	AcroRd32.exe	90
PID 4288 wrote to memory of 3360	4288	AcroRd32.exe	90
PID 4288 wrote to memory of 3360	4288	AcroRd32.exe	90
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 5084	3360	RdrCEF.exe	91
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92
PID 3360 wrote to memory of 4684	3360	RdrCEF.exe	92

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\a22d31ef70d5d9aefd4b1e5f11b12079.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:4288
- 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:3360
- - 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=052AB50580D3A8321B4E19779F8F5FC6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5084
- - 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=49DF08D9A0C406D871C5B63B235ECCC0 --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=49DF08D9A0C406D871C5B63B235ECCC0 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4684
- - 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=528DADC2ACC39AA3A3C80F388527F026 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3780
- - 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=AC849614EE9D2BFB46052A9D98B0092E --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:920
- - 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=45E761B537F7DCEDA999E23F68D714AD --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=45E761B537F7DCEDA999E23F68D714AD --renderer-client-id=6 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3732
- - 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=EA063E5F2D670FC4E3E5A43FD41ABF11 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3164

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
7c901ee132b5f89f7102c4cf372fb9f1

SHA1
af36260eb107aa98d0920dc35aa91508b8e96b99

SHA256
d29b2c64f8481fae600a2a6efef3f38d14a86fbfccbfa3eb62a07fb039477f33

SHA512
2288d99cd71225bbe9572d6a6c6d755ebade9a984dfc347945b68dd9c7dd7639a3efff0f645c6b54de9d5c0e3c44fc95181821d7a0dfdc76254ae0ccbaf30383

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/4288-27-0x000000000A750000-0x000000000A771000-memory.dmp

Filesize
132KB

Download