5e4f33cde882e80b0414986a6f76e1e378fa87b2666d2c34245a3bade1bcc233

Analysis

max time kernel
141s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:42

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General

Target

aa946c24a40fda5241dccbd25bfe541e.pdf
Size

72KB
MD5

aa946c24a40fda5241dccbd25bfe541e
SHA1

c1aeefec093012dd440c8ec5fed1aa06957869ab
SHA256

5e4f33cde882e80b0414986a6f76e1e378fa87b2666d2c34245a3bade1bcc233
SHA512

90c1ddbae6ae1d448f1c02378a7396aca4b96ed270251e88a32375090bda5fa5fa74e03a261b7fe7587f91f6707db5b7f7b0f082f801cb08559b5ed31f4fa5ef
SSDEEP

1536:rzOVlJqmVF3FmPinPVCAnp+SZYQBRTOUuIPFpPmye9YQazPS+mKz:2tzF3FmPin8QfeQbII/PmyerazPS+P

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3448	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 4540	3448	AcroRd32.exe	90
PID 3448 wrote to memory of 4540	3448	AcroRd32.exe	90
PID 3448 wrote to memory of 4540	3448	AcroRd32.exe	90
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2164	4540	RdrCEF.exe	91
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92
PID 4540 wrote to memory of 2024	4540	RdrCEF.exe	92

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\aa946c24a40fda5241dccbd25bfe541e.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:3448
- 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:4540
- - 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=0995698FA0B70D064F174EA7A552E54F --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2164
- - 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=A810E29B26CFDD4EF1D1B7F518955306 --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=A810E29B26CFDD4EF1D1B7F518955306 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2024
- - 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=EA73D402E65E98D1AAAE654C832E0716 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1472
- - 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=8BF48911585A7D0EF00788E9ED38807D --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1924
- - 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=64E31603CE3815BC0884D67D68A63C05 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3208
- - 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=91AEE0ADF90CF9A24E4FB5235B5B0FB9 --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=91AEE0ADF90CF9A24E4FB5235B5B0FB9 --renderer-client-id=7 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2404

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:532

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
b708f08d65628043a09b7d914c909f5e

SHA1
4e57da885face14d1bef2701de2d461777ee5405

SHA256
0867a3e28c578f786af80fd3778e364ccefbea97d38184bb81e2d11aec199635

SHA512
d1d356664df87f28b085e5346a895529910661a47c12e0205fd567ba77e8d4c445d3d2f15d952d18aef212ff452496c60e805677b84a458d54cb90e54c5f2963

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
26KB

MD5
0a79071a7eb6013940f94f838af23bdb

SHA1
846093c4edc7939898cbbd5005ebc211ca86589d

SHA256
adfd15146128acdf60896e94e6942b51cf0209af87e264d6b727e4195294933a

SHA512
394ac1de09620970a7023dfac85e326a95f6d12044381039a3fdd19e5de8f8a28c381bc9b3f3664d11fcbffd5c6f1e9ce73cc0b0a249e9a53d7e444b6aa60d19

Download Submit