3e1286af009b821f083055072d8e57bbabbfabfff38916f2c1c7587a9dc083f8

Analysis

max time kernel
187s
max time network
195s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 11:03

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General

Target

16b154d0b0b0a7a93468d5584c1e44d5.pdf
Size

77KB
MD5

16b154d0b0b0a7a93468d5584c1e44d5
SHA1

cd36de093fd75db57a6f78dfceb379638528f899
SHA256

3e1286af009b821f083055072d8e57bbabbfabfff38916f2c1c7587a9dc083f8
SHA512

8342408dc058b94ac537f78202d0f432d366255aa7aa25cfde2cb5130a0f8245aec37532f01d43bb3a9a77e15d99992ee4a4aaf2c960812de4f36a5f54f5938b
SSDEEP

1536:zlqEzYXz6QVscMI2zjAI02SGyUfaiOkFKc0+W1fQ6CIV2DMo:BlYFVfMI24I029y/hkFKl+WFQ6CI2P

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe
4616	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 660	4616	AcroRd32.exe	95
PID 4616 wrote to memory of 660	4616	AcroRd32.exe	95
PID 4616 wrote to memory of 660	4616	AcroRd32.exe	95
PID 4616 wrote to memory of 4468	4616	AcroRd32.exe	98
PID 4616 wrote to memory of 4468	4616	AcroRd32.exe	98
PID 4616 wrote to memory of 4468	4616	AcroRd32.exe	98
PID 4616 wrote to memory of 1192	4616	AcroRd32.exe	101
PID 4616 wrote to memory of 1192	4616	AcroRd32.exe	101
PID 4616 wrote to memory of 1192	4616	AcroRd32.exe	101
PID 4616 wrote to memory of 1728	4616	AcroRd32.exe	104
PID 4616 wrote to memory of 1728	4616	AcroRd32.exe	104
PID 4616 wrote to memory of 1728	4616	AcroRd32.exe	104
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 3840	1192	RdrCEF.exe	106
PID 1192 wrote to memory of 4304	1192	RdrCEF.exe	107
PID 1192 wrote to memory of 4304	1192	RdrCEF.exe	107
PID 1192 wrote to memory of 4304	1192	RdrCEF.exe	107
PID 1192 wrote to memory of 4304	1192	RdrCEF.exe	107
PID 1192 wrote to memory of 4304	1192	RdrCEF.exe	107
PID 1192 wrote to memory of 4304	1192	RdrCEF.exe	107
PID 1192 wrote to memory of 4304	1192	RdrCEF.exe	107
PID 1192 wrote to memory of 4304	1192	RdrCEF.exe	107
PID 1192 wrote to memory of 4304	1192	RdrCEF.exe	107
PID 1192 wrote to memory of 4304	1192	RdrCEF.exe	107
PID 1192 wrote to memory of 4304	1192	RdrCEF.exe	107

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\16b154d0b0b0a7a93468d5584c1e44d5.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:4616
- 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⤵
  PID:660
- 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⤵
  PID:4468
- 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:1192
- - 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=03925CC3A26D4FE6D8D6D3BA6E33E1DA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3840
- - 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=B7504A2EE267B07D890F6E969BBD6F25 --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=B7504A2EE267B07D890F6E969BBD6F25 --renderer-client-id=2 --mojo-platform-channel-handle=1784 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4304
- - 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=FF1667310F670D76905962D332EF7768 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1828
- - 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=509D6657ABF6D393705A6E0D0B4194CD --mojo-platform-channel-handle=2040 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4048
- - 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=0CA84AD1509B64B793F0AA54BBEAF486 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2444
- - 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=E7F975F01DCB07E31ABC036C5F7E7AD0 --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=E7F975F01DCB07E31ABC036C5F7E7AD0 --renderer-client-id=8 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1896
- 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⤵
  PID:1728

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1168

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
d90e456c74487e4f476b3123608eb51f

SHA1
9dec4a897e7c2cd2a7e5ea00e6fe4d6077692c7e

SHA256
dd5e400e5005c521c11a4a6d63496583de2a977f05680d23f4510f980c247e13

SHA512
940392601fcb1b28cd6595f2600ebf08717fbec485a0b6270e7a5e1202a89942b9b34d7f9b74a7d62dea4d38b3a6ec9039ca90b864d81a1dd7eaf2fe3eab6435

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4616-135-0x000000000B5B0000-0x000000000B5DA000-memory.dmp

Filesize
168KB

Download