08b7b8178e2e341455c7923820b82d4d9ac2962ec1919302852ec40dbdfb7949

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 22:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b5db824e6c8cd984827142a19712713d.pdf
Size

92KB
MD5

b5db824e6c8cd984827142a19712713d
SHA1

f7a7295c02ea422c63bda45c6e9143d7e4cd776b
SHA256

08b7b8178e2e341455c7923820b82d4d9ac2962ec1919302852ec40dbdfb7949
SHA512

6e2409149b3fc9835a475b035515560cec9d7032066fbfa1c1eba7d5450a4f4d8b84464cfb6681fedc3300f107520f7a4f4363f098f9d1117070b20ae1f8d81d
SSDEEP

1536:z1LuV6jzTFGfrcw6RYuUfHcjd4/Z7WCpOViIWGyAIr0jTLXFGVO:MUGf4w6RYuR+RMVi2yBrOLXFZ

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3212	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe
3212	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 792	3212	AcroRd32.exe	92
PID 3212 wrote to memory of 792	3212	AcroRd32.exe	92
PID 3212 wrote to memory of 792	3212	AcroRd32.exe	92
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2604	792	RdrCEF.exe	93
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	RdrCEF.exe	94
PID 792 wrote to memory of 2036	792	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\b5db824e6c8cd984827142a19712713d.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:3212
- 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:792
- - 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=53B60183F0C9B30D9A595F5EFD11D8D9 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2604
- - 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=CFB917CEC9EEEC08A9A46E4E1788D2B2 --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=CFB917CEC9EEEC08A9A46E4E1788D2B2 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2036
- - 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=FFBABB41FED24A9B0E127180194E5A1B --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4368
- - 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=45EC63D5976330004A83C936E62C44FE --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=45EC63D5976330004A83C936E62C44FE --renderer-client-id=5 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4680
- - 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=25A62E47EA34F597EE4D76D7A5182575 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3204
- - 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=3A907AAF1D0CB6E15B02B56C67AB2589 --mojo-platform-channel-handle=2776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3620

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
307c4c7839773e0cc963d53944eee196

SHA1
1f131d00b0fc64253f67f7e71f0c0b7234eedb6e

SHA256
a1a1b1842dcaba9e8b106bf3938235f72b760aafc726856e29e3d28eaca3fd15

SHA512
fc0cc4907dc449c7db5bde583ef3b07c1cff1a56f1999c29a40d2256be309fd7b868e56ba4592556d9e6aec96a2b51da25878e16c588532298a38433ab09389c

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/3212-26-0x000000000BFF0000-0x000000000C040000-memory.dmp

Filesize
320KB

Download