a5e6053f3db516917c81b080386d418dd693e1a97711d98c1c9a2dd0c9fe00af

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 18:23

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General

Target

External Email Reminder Complete 0a0822f7f94e7199d82f95b45c6f4612Dmicorp.msg
Size

178KB
MD5

afe8b7635ca2c1d6962af8e6be0cbd05
SHA1

efe4464e30626372cad406f169c3f33793660cef
SHA256

a5e6053f3db516917c81b080386d418dd693e1a97711d98c1c9a2dd0c9fe00af
SHA512

75b1476c767e5538f7f85853f19da9e9b89b424e4425775738e1527e1a477f5d5e6c2cbe4b7466ed7ae619e891d99175070c44d78acd7bca0633c83c4cb12173
SSDEEP

3072:o/xMXFpNi+jBXWE2JqwodTir/QNe5szx+CkP7nAG:oxMVp7jwojNe5sz

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe

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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings	cmd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.msg\ = "msg_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\msg_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\msg_auto_file	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.msg	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\msg_auto_file\shell\Read	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\msg_auto_file\shell\Read\command	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\msg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroRd32.exe\" \"%1\""	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2984	OpenWith.exe

Suspicious use of SetWindowsHookEx 30 IoCs

pid	Process
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
2984	OpenWith.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe
1052	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 1052	2984	OpenWith.exe	98
PID 2984 wrote to memory of 1052	2984	OpenWith.exe	98
PID 2984 wrote to memory of 1052	2984	OpenWith.exe	98
PID 1052 wrote to memory of 2692	1052	AcroRd32.exe	101
PID 1052 wrote to memory of 2692	1052	AcroRd32.exe	101
PID 1052 wrote to memory of 2692	1052	AcroRd32.exe	101
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 2096	2692	RdrCEF.exe	102
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103
PID 2692 wrote to memory of 3920	2692	RdrCEF.exe	103

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\External Email Reminder Complete 0a0822f7f94e7199d82f95b45c6f4612Dmicorp.msg"
1⤵
- Modifies registry class
PID:3020

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2984
- 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\External Email Reminder Complete 0a0822f7f94e7199d82f95b45c6f4612Dmicorp.msg"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1052
- - 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
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2692
  - - 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=C2611887118361F16B9EF4D3FC2638C7 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:2096
  - - 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=5236C4F422F8F45D19911C2F86B35705 --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=5236C4F422F8F45D19911C2F86B35705 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
      4⤵
      System Location Discovery: System Language Discovery
      PID:3920
  - - 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=BF8D2B28CEC76F29464E5D2766DC3A85 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:232
  - - 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=685E46D14A0183562BD0B12C95D3F79A --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:2116
  - - 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=1F94D45575F6A6BC055677ED0014AF95 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:4444

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1836

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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
c1c58a60909dd1b1d884b2d0803085da

SHA1
f7d3d75da52cc992550b852a5359ef659b770cdf

SHA256
16e350f1c54b75b09a721127f1375ef346828520daad2883188bd14c645b2f0b

SHA512
7e08173d58d760262779cff4edd1344f153172bfe3e7a3e19fbbbc946ae915e4395e86554e64da6695ae6b381a7be181a5099fcbcb26aedf00986763ed52c605

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