091f879a989ff068125203af95ee621fbb8712d6fdbdd1ee58412d095f238933

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 03:15

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General

Target

59859d5069ed1527048a7ada4a9d6367.pdf
Size

46KB
MD5

59859d5069ed1527048a7ada4a9d6367
SHA1

ea9c2e16708229cf82412fffd2b0665ed773c604
SHA256

091f879a989ff068125203af95ee621fbb8712d6fdbdd1ee58412d095f238933
SHA512

57ba5867dd608bfc06ecfeb8952ee4fbe424c2488087a95283865aca15d3d73260f8bfae1d4555c6cd0660bb776f3201dcfcfb733738b953969e287676be3dbc
SSDEEP

768:K/09Oshns36YJCBzqMGSXB9grVHgu2bpqH5L/hddxngUcAN8NchUcoWwZI5Ex3:dAsZse4MGSx9gVANbpqH5L/hr9gCaNc6

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2384	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe
2384	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 4920	2384	AcroRd32.exe	95
PID 2384 wrote to memory of 4920	2384	AcroRd32.exe	95
PID 2384 wrote to memory of 4920	2384	AcroRd32.exe	95
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4944	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 3684	4920	RdrCEF.exe	97

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\59859d5069ed1527048a7ada4a9d6367.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:2384
- 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:4920
- - 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=5D02DBA8122CD081A07189199DAAC971 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4944
- - 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=AB2604BB7A4F540595E7460AADC7CA45 --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=AB2604BB7A4F540595E7460AADC7CA45 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3684
- - 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=93A90F36C9E8794C9B80851477BD3E49 --mojo-platform-channel-handle=2284 --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=1B58BC939F97B7D9351BC2BC066C1E13 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5036
- - 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=327CC2B8D3DBB4E68038D1F74964A6F1 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:948
- - 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=B2D042BCF1A8AC00A7FF773629BABF31 --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=B2D042BCF1A8AC00A7FF773629BABF31 --renderer-client-id=7 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1224

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1276

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
0d29a7cc9f1beb6338b6e48b5c27f9ab

SHA1
4417980ee169576a4c1de341e402800acd9c7843

SHA256
889d97c07e723946613d640ea9e2060ba3bb18df01b0816b8904221ee4c57b69

SHA512
05d511f3da4ca86d6de9f0d3129d71b94e45e32912662491bf0f92be1d95a5727d9151e456f31b7b717a7e1eea84c2fed35c2b5f71bbf155068bf969b0fdf407

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