de54404110a28f06011db5b6235bd5e078c2b54f3729c2536a490fab7c2abc3f

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 20:00

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General

Target

75636dac1ae3d59ba3ffdc7a14c56cc1.pdf
Size

84KB
MD5

75636dac1ae3d59ba3ffdc7a14c56cc1
SHA1

9bd340975d3fda9172a84050192085c34b43056c
SHA256

de54404110a28f06011db5b6235bd5e078c2b54f3729c2536a490fab7c2abc3f
SHA512

ff65fa5a13a2e4cf3381fa98a49e84fb1a73b03195ed771f5192d178a04908ed6f436c62f5f3990ae0f3f59ad4f141159bbcfa74888d230ced019cf267b92854
SSDEEP

1536:a5Qtqz0B7qKSb2UTT7KYi/UrrzS7gOf44dWPlbMguO6iW8pO+oTD3:3cIi2U+XU/zS7ZQ4kYgu9N+u

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3584 wrote to memory of 5240	3584	AcroRd32.exe	92
PID 3584 wrote to memory of 5240	3584	AcroRd32.exe	92
PID 3584 wrote to memory of 5240	3584	AcroRd32.exe	92
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 5448	5240	RdrCEF.exe	93
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94
PID 5240 wrote to memory of 3636	5240	RdrCEF.exe	94

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\75636dac1ae3d59ba3ffdc7a14c56cc1.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:3584
- 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:5240
- - 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=B8767966A860CAEA425DC955011C8319 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5448
- - 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=D46E0610EC5EC9E0E4CE82908A538D32 --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=D46E0610EC5EC9E0E4CE82908A538D32 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3636
- - 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=9FDE4134985A542556B6F13EDCA86BFE --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2524
- - 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=F365BFA25E68C156656A11A83E8DC4E5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:6036
- - 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=D573D8DE87113DCB412D033A4BC27ED6 --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=D573D8DE87113DCB412D033A4BC27ED6 --renderer-client-id=6 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2668
- - 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=5B520D662AA8BE7EF45754365F6FA0B8 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1232

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:628

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
9a4a144981365c32e41cf97a5ff0370b

SHA1
cd1237680a591bbc9c94fbbce3f84ee502a7b812

SHA256
e6bb07f32619edbae1d3e8d5da940fcf26a5454fc94c9225d6e4fd7d70cf7724

SHA512
43c8aeba1d645aacee3a28ef6c625c62051acb99783ddd2b049bfaffe622e1a47ede60157134b7d432aabdb7b78c8b3454e94ece21e66e5bf1ef446894684d00

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