d64b0e9af11fca1474472e140e0f223a6d05f5581eedf159865ef63a4b117226

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 19:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

516fc445cb9a71f4624e412c47938662.pdf
Size

128KB
MD5

516fc445cb9a71f4624e412c47938662
SHA1

3d10cd715c39a43f40fef304963b5d142bde6e76
SHA256

d64b0e9af11fca1474472e140e0f223a6d05f5581eedf159865ef63a4b117226
SHA512

1cb38db885e74c40d0a856f218878f5c1d715b54b125b78c45697ef23f25c0f0bc8a5f7ceff6d7ce95e4a585687e9cbcb0e7c7e273683844fef1af615bd49fc4
SSDEEP

3072:2SlTisvF38PFzCbi9l9nJwuMrJhpF8MHbt3L17RJh8odKU:rlTiuF5y9nJwBXBPh88

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
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3140	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 4116	3140	AcroRd32.exe	92
PID 3140 wrote to memory of 4116	3140	AcroRd32.exe	92
PID 3140 wrote to memory of 4116	3140	AcroRd32.exe	92
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 976	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 2588	4116	RdrCEF.exe	94

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\516fc445cb9a71f4624e412c47938662.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:3140
- 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:4116
- - 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=4719C80DA6AF0702703541188AF7CA8B --mojo-platform-channel-handle=1692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:976
- - 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=4BD7D67C84D55C066869677A0A799EF5 --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=4BD7D67C84D55C066869677A0A799EF5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2588
- - 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=2DE36F9DB526E768B917951382532C66 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:388
- - 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=E507B82E82D82C75E429D8F1D11F9B5B --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3776
- - 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=5645C2592021893CFCC797A3EAB8DB52 --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=5645C2592021893CFCC797A3EAB8DB52 --renderer-client-id=6 --mojo-platform-channel-handle=1988 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3972
- - 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=F1FE60024AEC65A55395B76A040F341E --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4912

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:392

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
da1343aef1c28e20c5f5cf623c19f1fe

SHA1
7ddadf81ef5a647d56443441eb447863b91631ef

SHA256
38f5fe03592333e6bf7fe9307550e02e8798886ca7ad780701d99d3e5a4f785f

SHA512
823dfc371cd02f1247f23a8519090602951423ad5faf6a4c2d08588483088d02d9e0f87a07f6e43062203cf4987d104f5d66a5d50752c37a6515bcf6840e732e

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/3140-27-0x000000000E170000-0x000000000E191000-memory.dmp

Filesize
132KB

Download