961c115fcb41039b3e1ad4ece95ba8dac59ebe052739b9696f9cd7829ce8487b

Analysis

max time kernel
141s
max time network
137s
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, 05:29

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General

Target

73daf1e2826ce6561ff1773dfbdfe03f.pdf
Size

94KB
MD5

73daf1e2826ce6561ff1773dfbdfe03f
SHA1

b2fd6d0b2b26384c622022cd815ed4a4884bab54
SHA256

961c115fcb41039b3e1ad4ece95ba8dac59ebe052739b9696f9cd7829ce8487b
SHA512

202b312d4a0e1313df4a90ad44d5c6fc1c652a8e04a7b733c0a17b2018a4acf0217d15127ee611597f8b02697423a5b14cac9c88c35c06b58cca3bd99774a159
SSDEEP

1536:EWIlUBeHKw8aCQzo6VVZhsD5NpcW+st/ExnKgtyaQRbp7YvXY1ahsWo3SxDGGCWc:xIFHL8nQU6jUDvpuu/pgtyTxev10CpGH

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 2232	3672	AcroRd32.exe	91
PID 3672 wrote to memory of 2232	3672	AcroRd32.exe	91
PID 3672 wrote to memory of 2232	3672	AcroRd32.exe	91
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 1144	2232	RdrCEF.exe	94
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	RdrCEF.exe	95
PID 2232 wrote to memory of 4592	2232	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\73daf1e2826ce6561ff1773dfbdfe03f.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:3672
- 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:2232
- - 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=13AC4874FA6B108B67F86DEBE674FE1E --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1144
- - 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=4037297A3D6498F1E24057D9F4AB52AE --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=4037297A3D6498F1E24057D9F4AB52AE --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4592
- - 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=96AA2581B101DBF99D18ACBAFAE0F471 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3884
- - 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=4F5691CE91F0062DB6FDADA969C449BB --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=4F5691CE91F0062DB6FDADA969C449BB --renderer-client-id=5 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3656
- - 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=1C06A72B1405C4F2D60C888620AF7D62 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3640
- - 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=04A36D2724C3C037BE1EC8221B48E7B4 --mojo-platform-channel-handle=2236 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3456

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2160

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
6d016c73a35325f853e88dc5f9db0a95

SHA1
1c166c06feb25e62903ae9c44307ff4688bfb15d

SHA256
8960d569427b7039cba889651a40cd708cd22d77ee3f919cb2dd78e7743b5d1e

SHA512
dfbc23052c130014365d5f750dce75a33badaa4d89e7ee3bb622bb9c38c91a2a4ab8b0667ea9a7d652c5d6a577f2820310c01e4a39370141eb99fd95b32bb4c9

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/3672-26-0x000000000B8C0000-0x000000000B910000-memory.dmp

Filesize
320KB

Download