e2b685fde1f070371ae2625b247d0048807004a86c627ade0f3b847b5bbba290

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 21:53

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General

Target

04e7dbe86fb6c87b7c15e9d46c152300.pdf
Size

85KB
MD5

04e7dbe86fb6c87b7c15e9d46c152300
SHA1

91c89a22e14a6702ad27bca68a6a30d566cd39e0
SHA256

e2b685fde1f070371ae2625b247d0048807004a86c627ade0f3b847b5bbba290
SHA512

51bfbc86c2b0387a3820db3b17a08f1af5bbb6c506cc5382f043b7d441ef00032b75882ce1584c11511ce5fb2c7b45c83971ac01890982afe577f58785b18967
SSDEEP

1536:pvdwFBF5rX+x6GCcmWHBxhN/l32W8h0Mj7n3q7HnXGDCVwWOpOwrKWn+5Ji1M:8LlX66GD/3yh/73qjHVNwrZMJR

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1640	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1120	1640	AcroRd32.exe	91
PID 1640 wrote to memory of 1120	1640	AcroRd32.exe	91
PID 1640 wrote to memory of 1120	1640	AcroRd32.exe	91
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3792	1120	RdrCEF.exe	92
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93
PID 1120 wrote to memory of 3748	1120	RdrCEF.exe	93

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\04e7dbe86fb6c87b7c15e9d46c152300.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:1640
- 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:1120
- - 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=D813F482279B60815E6F53706288F8EA --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3792
- - 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=0C672983A2301A4DF25330C88484E761 --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=0C672983A2301A4DF25330C88484E761 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3748
- - 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=9DC19FCFF993817A95EFC720BD50959C --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:916
- - 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=5DB8DA4CE157EA519CE682F74B624753 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992
- - 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=F2D74D47F8FA9EC53D8FC11825881B64 --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=F2D74D47F8FA9EC53D8FC11825881B64 --renderer-client-id=6 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5100
- - 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=1DBDFF5713C316618E4609CFE81DF236 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3540

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3228

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
14c2c5560e976ebb9dd6844f6f6d08ac

SHA1
f21a980cf6d8d4e8ecb110f0c947c93ef446ec47

SHA256
dfad8b2956757d84cc93df975e32f36cf86aca71075f414bcd363aac7b01219c

SHA512
66caa4afa2dc77978f4116cb91854c3db1e522c0896c065fcb1b1796e3d40b2bb13e0c587065b054c4bf513245f30c5e3a20639bbccf84b25784ba36d5eb0af9

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
memory/1640-27-0x000000000C2D0000-0x000000000C2F1000-memory.dmp

Filesize
132KB

Download