b5015ed51b1d67681d405b261e3841a65ac6b617ac7536d4db37a3a525a82779

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, 12:39

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General

Target

d388e4f05c4f36801846c081b8ca368d.pdf
Size

68KB
MD5

d388e4f05c4f36801846c081b8ca368d
SHA1

91d6682ef4b2a9a39c20e073bb87bb0c980749b2
SHA256

b5015ed51b1d67681d405b261e3841a65ac6b617ac7536d4db37a3a525a82779
SHA512

281cab0abcacee3f3ad9367282e05f719a108d2277407c54d1e3f032744d12abd930f2819fe14dc69fdea20fe52b8860e1c2ca7a1153e92d48e2cdcd5df3faf2
SSDEEP

1536:1hOtzTJSG5ppqSkUtiWEFH2ZPF7IwXOVSNTIY7stQOYuLYIp96Me+tDqnWZGWpUM:Uh5qSpgJFH2ZPNIRQkY7s/1LVe0Dpsa

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3272	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 1608	3272	AcroRd32.exe	93
PID 3272 wrote to memory of 1608	3272	AcroRd32.exe	93
PID 3272 wrote to memory of 1608	3272	AcroRd32.exe	93
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 3996	1608	RdrCEF.exe	94
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	RdrCEF.exe	95
PID 1608 wrote to memory of 2716	1608	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\d388e4f05c4f36801846c081b8ca368d.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:3272
- 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:1608
- - 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=99D37891755E31197F13FDA383D33087 --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=99D37891755E31197F13FDA383D33087 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3996
- - 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=204D7D5A55292B89C23E6A688FDA5E83 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2716
- - 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=844632809C58A0A3D8F00014B577E2D3 --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=844632809C58A0A3D8F00014B577E2D3 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4020
- - 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=8045AC8AE6DCE5131E10302954199EB7 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4808
- - 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=65FEAF4485EACFE4115FD84E8F8F5002 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1164
- - 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=0ABB363359FCF255A658FBEB9B737B2C --mojo-platform-channel-handle=2508 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3640

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4548

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

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Downloads

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

Filesize
64KB

MD5
095164e86022f126c7f875b70619f1fe

SHA1
4e46b4374c489e9e4888956d2b21de5d665adc81

SHA256
8d600cf9023942b9c095dcf8240ea3ce2cb9155439557099abfaa098ada01af3

SHA512
69aa357bccdb8d300c2b78d854fb89487507c781e6bc5f047479ec3695725947fe8c5e1ba8c3990189dd1dd509273092c9bf4d29154d0ae9b7b4b781e682fa75

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/3272-28-0x000000000B470000-0x000000000B491000-memory.dmp

Filesize
132KB

Download