7984047a0121bfabff0d50ee33127889520ccaed6ec4da3681c3a2c09a3e8fd9

Analysis

max time kernel
142s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20230220-es
resource tags

arch:x64arch:x86image:win10v2004-20230220-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
13-04-2023 16:15

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General

Target

Russian mbts/CleosRealm-2S19.pdf
Size

444KB
MD5

3da5dc1b54a2e35983413c3fed338da2
SHA1

55bc5dd468ea58647aa4bcbb95400560b29cff26
SHA256

185eb8d1e8cfec8145402b06cbbee09d5ea40edf522b21957fb1693dc6ef4ade
SHA512

e1122ac89b7378a865aa546ff65b214ed55a882251d82ce259cf539187d4e47a2897576fccd30ae8b5ab41abd3609a4f521b6b53005056a6f2cb3d759924aba3
SSDEEP

12288:nY95dC27J+Xot1foPckefTXNInAZgcSktLlwf9jFA:M5dB7JPtSPMTd9ZgcBlSo

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-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2028	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 4272	2028	AcroRd32.exe	80
PID 2028 wrote to memory of 4272	2028	AcroRd32.exe	80
PID 2028 wrote to memory of 4272	2028	AcroRd32.exe	80
PID 2028 wrote to memory of 2944	2028	AcroRd32.exe	84
PID 2028 wrote to memory of 2944	2028	AcroRd32.exe	84
PID 2028 wrote to memory of 2944	2028	AcroRd32.exe	84
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4928	4272	RdrCEF.exe	86
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87
PID 4272 wrote to memory of 4136	4272	RdrCEF.exe	87

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\Russian mbts\CleosRealm-2S19.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:2028
- 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:4272
- - 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=0AC6E4D8C467B08FB5F54CD6C7AB63FB --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928
- - 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=283CE0C9E754363EC6FED3CAF65B8CAA --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=283CE0C9E754363EC6FED3CAF65B8CAA --renderer-client-id=2 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4136
- - 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=07C9B6A7EF68A0683035374792ECD3E0 --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=07C9B6A7EF68A0683035374792ECD3E0 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2820
- - 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=1CC7A69D469B16D426B26EE60898CC7C --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4996
- - 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=4E4681D6F1BA54D415EE49A4409F1314 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2716
- - 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=E2010B2B2F01309F5F4ACA587DE262C1 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3256
- 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:2944

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3000

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
623335ff9fd735aa9163555a3383998f

SHA1
f573c6b9beff689072eca40046193398e392f6f2

SHA256
08cb88fa7aed290ae6bb98d05afce6bc1208adfeb2f802123e34e525457b4f05

SHA512
6a7c7dfc525df637852afa51b157c83d28f63ea6eee8e670df6747d1d559914d499b6b54b04c7fd906093134d17d0d0ca4eef8f08de76b7f4ef262dcf590ac91

Download Submit