5f67f5ba7273c8e549a3c4d11c4d089dd3cf0fe7198a38f828599c0956e0194e

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 11:37

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General

Target

15bc6e083d4391cf03f839163c3aeaaf.pdf
Size

83KB
MD5

15bc6e083d4391cf03f839163c3aeaaf
SHA1

6bee9f3f47fd7a56115d54ab2367abcc5f0ca5fe
SHA256

5f67f5ba7273c8e549a3c4d11c4d089dd3cf0fe7198a38f828599c0956e0194e
SHA512

e15c143b2a4433122e024a6b27c98829368cb8484482f5172b42815eb44ebfc3227863ec09309cda0e517fd0ce925bf5074cc195ea7249556bf1386bcb52d0a5
SSDEEP

1536:sGjXrhlZeUbbPaEa8NrHDPc2CBJXQstgU22WGpOKA7rsoNYPvGZW8cIbI7jA:9XrhWUbra4N7r+jPgZKA7o8EvGHtcg

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe
2076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 1624	2076	AcroRd32.exe	93
PID 2076 wrote to memory of 1624	2076	AcroRd32.exe	93
PID 2076 wrote to memory of 1624	2076	AcroRd32.exe	93
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 1252	1624	RdrCEF.exe	94
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	RdrCEF.exe	95
PID 1624 wrote to memory of 4068	1624	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\15bc6e083d4391cf03f839163c3aeaaf.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:2076
- 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:1624
- - 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=B4764F54FE30B7B9A9693A60E7DF0DFA --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1252
- - 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=5907A341C112D48771A128D77BC6A1AF --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=5907A341C112D48771A128D77BC6A1AF --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4068
- - 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=B43EC0BB6F5C2B1C6B64531C3234E1B7 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1140
- - 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=87AFCCB226BB056AC9A9D5450B583CD0 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3552
- - 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=A4F2D6F41BED455829BCEE6727B67B0B --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=A4F2D6F41BED455829BCEE6727B67B0B --renderer-client-id=6 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1172
- - 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=038AED91A045C04DBCA8C3B1A53A8B94 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4124

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
03a0f68d830f944e9e8c6d941e9db5fc

SHA1
af891dc8a464d1e6d85916dd49347331e171b151

SHA256
7fb9da85983db114a383e6261e7db925620fb586cf4f3486b5827000317f008b

SHA512
e97430874f286b3cd67c5c3a93297b0326a1ecd986de03b443db851c05902fe01e6c66f5b516b2b9690c25c2990b7c649177c0a184e503f91e5e56b9da018536

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