6a591bd670930c46908e461b8c3f6752a6eb6268351e5f59b25d2ec4a8aecd14

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 07:19

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General

Target

5a9f2e66a31dec946dfcb3dba6fcc8f3.pdf
Size

44KB
MD5

5a9f2e66a31dec946dfcb3dba6fcc8f3
SHA1

e9e5d258625f65ebd2359744118e70ff448977d7
SHA256

6a591bd670930c46908e461b8c3f6752a6eb6268351e5f59b25d2ec4a8aecd14
SHA512

4683ad904e05d17b383d80ad3933757a37aded7de0efae75447a9897696c456dc09b7eb3a11b5c4fcd614f826fcf2c80e9a7e6a04c9d7e07f3cf222d0023a394
SSDEEP

768:aPDeyCavzqVKhqPUzC8IIr3ga+OawU28kxEixvkKiCi1jIV9ENZTlPnzU:2Qav3q8B3ga7Oe8jCi1jIVKnlPzU

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3892 wrote to memory of 1244	3892	AcroRd32.exe	91
PID 3892 wrote to memory of 1244	3892	AcroRd32.exe	91
PID 3892 wrote to memory of 1244	3892	AcroRd32.exe	91
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1060	1244	RdrCEF.exe	94
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	RdrCEF.exe	95
PID 1244 wrote to memory of 1212	1244	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\5a9f2e66a31dec946dfcb3dba6fcc8f3.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3892
- 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:1244
- - 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=E4F1EA85D368E11CA7B9AA4116330348 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1060
- - 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=EA84E99B369AB56D31DFF555D72B2BDD --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=EA84E99B369AB56D31DFF555D72B2BDD --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1212
- - 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=F81145C41B50B01116AB0903211427A1 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3716
- - 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=A8AD7B7950BA601E822901C6E477B589 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=4D256A4C3C9A9C969E55CA3E3042464D --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2036

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1100

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
14c0d2971b764b02af8847e206ee6891

SHA1
a2dd9512d63a862b8832503e3e863e9c09f9bad5

SHA256
36572ecf30b9f0505c24cdaaf0bfdd10ce3ec25fd1f4c5d319a22004becdb231

SHA512
66fa45abdeb3e568dd85de66e62ba6f4d51100bf7dd4d695e5dc9032540138c2256eb819a56b1d2bd331016ef491fdc3aa0f9f4cc29c31d645cf988624fe4e03

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/3892-129-0x0000000009FA0000-0x000000000A24B000-memory.dmp

Filesize
2.7MB

Download