f6438080681fb16c8cf1d5b6d53c02a2dffe013245fa8700384b46d2755076c4

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
12/12/2023, 10:07

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General

Target

Exit83 One_pager.pdf
Size

1.6MB
MD5

d82ffe26ff42d18b1851fb7e3de9c471
SHA1

2bbf9077c27feab414fc58d44a6f7b2ffac9e56f
SHA256

f6438080681fb16c8cf1d5b6d53c02a2dffe013245fa8700384b46d2755076c4
SHA512

09876cb34e6e4e9f65766c77b9b7e521781fba3ab3f15c6c6df499acdffc0828194631fbc151c04d4ba3c3c1efb87c36267d762c422b0776081cb8b9dbde1d38
SSDEEP

49152:/xMSJtf/2oLtNgFg0N1NCualrqLuj471Bbc:/x3/2oL7gFg8QhqLuj471+

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-1-5-21-3028534956-1709433221-1313273668-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe
1040	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 4364	1040	AcroRd32.exe	95
PID 1040 wrote to memory of 4364	1040	AcroRd32.exe	95
PID 1040 wrote to memory of 4364	1040	AcroRd32.exe	95
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 3884	4364	RdrCEF.exe	97
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98
PID 4364 wrote to memory of 1808	4364	RdrCEF.exe	98

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\Exit83 One_pager.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:1040
- 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:4364
- - 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=B3A0A8A5BE109A1A85A00D874A6472FA --mojo-platform-channel-handle=1736 --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=5D1F58803B08F59A55CEFDEE00BF0AF3 --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=5D1F58803B08F59A55CEFDEE00BF0AF3 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1808
- - 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=8573F7DFD192C13027BFCB09E58255E3 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4840
- - 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=516D18DD25E2FD55C89986250E4CECE5 --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=516D18DD25E2FD55C89986250E4CECE5 --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2508
- - 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=AFF161E4D4C7857E6868E90F9AA66953 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2772
- - 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=7F088399D8F68BA940F518C9CB051FD2 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1796

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
6328914a04eb0fc5efce241bb323805b

SHA1
b3cd551ab4d43aafd2061ca6761e00a2e3c6688b

SHA256
0bce81263ca9082a5e88508d49729ddf78897ea55080120a559bba658b64dfc8

SHA512
671d2f108cb1a222cfc4c7c98f03e5e6eb26a8401c9efea125c864b38fc43e815c59ece882897024a3a7a3ace7597b20b4b671b482dd5e8211a244d0c48ae136

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