393002e5630a36651c9742ad9a2b224bd2105a58583d8680229271d92475d177

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-02-2024 15:29

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General

Target

a980641ddf8a9c80aff7a1441fa43039.pdf
Size

102KB
MD5

a980641ddf8a9c80aff7a1441fa43039
SHA1

c49c340544c27879fc85bfad9d3a32c851195e98
SHA256

393002e5630a36651c9742ad9a2b224bd2105a58583d8680229271d92475d177
SHA512

d0e7a7d7f15e1503fd41f594bfcd894ffa5434d4080bce6719c0a358c458a3bac1bd5cffde4915d6985e59e20f7f2f3276de220be85af11c0215e57896d16815
SSDEEP

1536:AdL7mq0jUZXapAOMoZ1PmaN6eC43FNCPX+V0z3AbqHuQIt9R0mUx6gAiLC56ln07:MLNwVDxz3HeX+Vs3zOQIvmhx6gAIGGBk

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2964	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe
2964	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 1720	2964	AcroRd32.exe	93
PID 2964 wrote to memory of 1720	2964	AcroRd32.exe	93
PID 2964 wrote to memory of 1720	2964	AcroRd32.exe	93
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 3696	1720	RdrCEF.exe	94
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4832	1720	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\a980641ddf8a9c80aff7a1441fa43039.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:2964
- 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:1720
- - 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=FC537AFA7A722E608DD581A38703C0CC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3696
- - 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=E63E87702A20D0BB6748FA59D66404DC --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=E63E87702A20D0BB6748FA59D66404DC --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4832
- - 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=75FB66CFED5D257A960BFA781829846C --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2828
- - 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=84B6B8F1C31F58F8EBFB1E3EA7487069 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1016
- - 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=426B6A3B36E670D7F9B724E938E08BBF --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4652
- - 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=EDD71AED035B06E276BCBF344FBE50E5 --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=EDD71AED035B06E276BCBF344FBE50E5 --renderer-client-id=7 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3220

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:828

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
7976b9b2b8c01a79bc54ea1bbb1a39d5

SHA1
e5ee65d403386863183ffbc9ae5fc84af5bbb5e8

SHA256
3029efbc74cce660d3b17820c8c16c7c5d872761b5a694dd2d993aa0eb8160d5

SHA512
dddfda7ecd4a7a56f8b8a69b33c64517fa97990d48deac21dcbbef47120a1b5eb163033e0c646857d0b19cb05024c44ba6d61e7f3640f8032d68967656b7bf8d

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/2964-25-0x000000000CDB0000-0x000000000CE00000-memory.dmp

Filesize
320KB

Download