3163978e6516c7b1c6f46b5bb82c8299cb7faaa58584877629fdf69fbe05f6d4

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 12:27

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General

Target

74b1f197b88134958153936af3d715c3.pdf
Size

86KB
MD5

74b1f197b88134958153936af3d715c3
SHA1

5a83ba0f36f622e6399610cd567534e2ae122041
SHA256

3163978e6516c7b1c6f46b5bb82c8299cb7faaa58584877629fdf69fbe05f6d4
SHA512

48af8c534ccba7bb0f737790562e0fce386bde54e6555b2f63cf572a85c94b6ef3a3a637332837eaae6627dfd063d375d9c615cf27e43a193a3eed0a988e428d
SSDEEP

1536:kw8KfFlGmNE2Sfa1lFeRbz8UYv+Sjudhwl4307jeJZBM3SeJXjzWWpOxerfeH/fo:Z8CN11l6bz8Ugl/7jeMiGIxeLef7Ixfj

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe
2752	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2196	2752	AcroRd32.exe	91
PID 2752 wrote to memory of 2196	2752	AcroRd32.exe	91
PID 2752 wrote to memory of 2196	2752	AcroRd32.exe	91
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 1132	2196	RdrCEF.exe	94
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	RdrCEF.exe	95
PID 2196 wrote to memory of 2660	2196	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\74b1f197b88134958153936af3d715c3.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:2752
- 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:2196
- - 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=5CEAAD2FA539B17FAB4D561335B95E85 --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=5CEAAD2FA539B17FAB4D561335B95E85 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1132
- - 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=8553173837AFE0CAEFBA8279BB5A4AF7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2660
- - 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=35BEFEFA2A11750378E062542C15D085 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=2F6C57F27B2394807AC635B1927E4ED6 --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=2F6C57F27B2394807AC635B1927E4ED6 --renderer-client-id=5 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4580
- - 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=849C74F7358E69EFDF977F1AF1DB92A5 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2656
- - 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=6CD74CEEAA16141E00919D2F7CF636D8 --mojo-platform-channel-handle=2024 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4276

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
ec5171eea796d34bdc319e4a15d0e837

SHA1
c30155ae49eb083c3c4538181395eb7eb6acfc45

SHA256
88e212b46cc742f9a398dd266eb5f14633c6c6e97eecf3ff50a8a7719447f378

SHA512
8da991f0c77e959283cf1b363b12ae5cf0ff10a2e0b9f4a05d23875e724425c391b8b37b1c421ab180895c31bdd971a16d73a1c22e09d38bc2fad748279d52b6

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