6587900b6f0dc398a4bd6c25b04293ba78b0687c700e5fb1259d9b0f3d5b3f8a

Analysis

max time kernel
140s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2023 15:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

attachment20230417-21076-dl9sm7.pdf
Size

65KB
MD5

cc4e4be2e53cfce98992e9350db22aee
SHA1

22bc545636ad0fdfebce07c49dc0b7159fef095c
SHA256

6587900b6f0dc398a4bd6c25b04293ba78b0687c700e5fb1259d9b0f3d5b3f8a
SHA512

3ba566a6a2144ab47b065d3f758b9b09447f48bfdcc7236ca9553dabb3497f44191202da3e13348aa1cb1ddf9d13d9fb3bcebb70459a0b473ae018f81405d59a
SSDEEP

1536:Z0XlDrilA9+um5JqnxqZWXAYV0zZp4bTVNEnhN9n/rT6OBTa8:iHilA9+umPqnYZJc0qNEnJf6OBD

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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2952	1796	AcroRd32.exe	78
PID 1796 wrote to memory of 2952	1796	AcroRd32.exe	78
PID 1796 wrote to memory of 2952	1796	AcroRd32.exe	78
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 3624	2952	RdrCEF.exe	79
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80
PID 2952 wrote to memory of 4116	2952	RdrCEF.exe	80

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\attachment20230417-21076-dl9sm7.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:1796
- 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:2952
- - 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=393CB24CFF987A158BCBE0C10543181E --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=2 --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=393CB24CFF987A158BCBE0C10543181E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3624
- - 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=86E75E3AD337403A5A85407141592A59 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4116
- - 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=F9234ED2028E717E2C74FC8E26AEA8BB --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=2 --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=F9234ED2028E717E2C74FC8E26AEA8BB --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3724
- - 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=912AE90AFE76415DA8D0E61184598104 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4260
- - 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=704F0F69096670BD42D1BA6744ED5C5F --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1188
- - 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=5CA447484BFFF67F1E52A1C4DA2F9723 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4184

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4780

Network

MITRE ATT&CK Enterprise v6

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
64KB

MD5
07dc4312abb4edee148f1352e30435f3

SHA1
0c642b98e32d5f2fcd9564b5ba80def5f6dd17b1

SHA256
8aa8f62eefa9f32c42f68310b526d15cf655a8a6d8bc0705897535804d823d3d

SHA512
f835356839481cd08ce8081b719dc664a65487412fd3ded277c93bb65c707d7b807bc031bcd01392313cb404c3e31616100eabf3c42d504c4689dd16b8d18d52

Download Submit