e3744303c45b7d7fe88f3d580ca9a620889338a6c89d84dd648fe4a069babc05

Analysis

max time kernel
141s
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
27/01/2024, 11:36

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General

Target

7a22fe8e4f8dcd0f459ba603c91c26c3.pdf
Size

42KB
MD5

7a22fe8e4f8dcd0f459ba603c91c26c3
SHA1

ac06535da5d0bfdff2c3d77540720e57a6c8f731
SHA256

e3744303c45b7d7fe88f3d580ca9a620889338a6c89d84dd648fe4a069babc05
SHA512

335221f67c76f8392cee9ef84b96d7bf44c6fa16dff5827e6ce78710fe5016fbd92f9f9c21b2c22b4cda7dce842ad012de24e666f78883b1e924f3ede829ea04
SSDEEP

768:3LHT4iLxXqMhQUEg9k6Bt1O10tOcKC9Qbkkzvt0QAkEGi:P4iVq69zI10tOcKCybkkrt0kEGi

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe
1208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 2340	1208	AcroRd32.exe	93
PID 1208 wrote to memory of 2340	1208	AcroRd32.exe	93
PID 1208 wrote to memory of 2340	1208	AcroRd32.exe	93
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3336	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 2688	2340	RdrCEF.exe	95

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\7a22fe8e4f8dcd0f459ba603c91c26c3.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:1208
- 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:2340
- - 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=5594926FD053EA63EDDC21C3588A2F36 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3336
- - 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=6BCB0EE9F1937A263F1B90FC7CB10BAA --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=6BCB0EE9F1937A263F1B90FC7CB10BAA --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2688
- - 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=D2E20EF7C90B24498B38BC61EF6315C6 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2764
- - 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=479BBC1922CC2CBC559B345A1FD1A80A --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3456
- - 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=1970BFC2999E983093E17EFF173F3568 --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=1970BFC2999E983093E17EFF173F3568 --renderer-client-id=6 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1456
- - 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=FB16DAE88E414E9D3C5B68896F99BEAC --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1324

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:640

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
1bda11e14d04d5a7a8319e6cb247deca

SHA1
815e9dd87d82a789c637f5a0377759b7a5e70821

SHA256
7fa357dc2b23a8bd233b3bd1d1802866371d2add2a86a0fea91715ea0bf2abe2

SHA512
66ce6e913de87a08ff753a537b2fdd5d77dc1c8ac99b32b136865682e3da581ea40115cdab0cbd7bc9b6aafdaa3257646c7bab2991d7ac12f5dccfa470ce713c

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