cd0ee30ffa1601ed3726fce6b3e2ad04ea2e4f2a42d5f82546f601f2cb4c9341

Analysis

max time kernel
169s
max time network
176s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 15:28

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General

Target

78f48c2848a2f2b8bf9a6106f27f1354.pdf
Size

76KB
MD5

78f48c2848a2f2b8bf9a6106f27f1354
SHA1

ba25775fa101d50cef2cc186b243f28fa9ce473c
SHA256

cd0ee30ffa1601ed3726fce6b3e2ad04ea2e4f2a42d5f82546f601f2cb4c9341
SHA512

62a3b133c040532279c2b27cce945a538c1e74aceef3b1fc7ca02b30741024c22f8f77fcb9762220badcc8f5e7e538162081f4cf4c9ff7f26f1b72dbacf4cdab
SSDEEP

1536:z7LT+KJ14KBJpYjV0KBxfb7o0br1wt5vKxeNIDy8F8kvK+k+ZjF2ZqtHeaWO:TT+a1B0V0q5Aoq5vK48Fbnk+Zjk2es

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 4708	1324	AcroRd32.exe	94
PID 1324 wrote to memory of 4708	1324	AcroRd32.exe	94
PID 1324 wrote to memory of 4708	1324	AcroRd32.exe	94
PID 1324 wrote to memory of 4032	1324	AcroRd32.exe	99
PID 1324 wrote to memory of 4032	1324	AcroRd32.exe	99
PID 1324 wrote to memory of 4032	1324	AcroRd32.exe	99
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 2592	4708	RdrCEF.exe	101
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102
PID 4708 wrote to memory of 1020	4708	RdrCEF.exe	102

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\78f48c2848a2f2b8bf9a6106f27f1354.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1324
- 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:4708
- - 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=E938D5C8B17EEA2B7EF6FAD1C7564B67 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2592
- - 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=B53C7EF0C5354C552C136E5627A61D61 --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=B53C7EF0C5354C552C136E5627A61D61 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1020
- - 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=709B11E6878279793E6BC16F1A8EE32F --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4256
- - 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=CAF8787C2C2BE383FE3FF00AB4268B67 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3088
- - 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=031EC9FEEF2A2F401363B70EBAD3698E --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4888
- 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⤵
  PID:4032

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
aa4761e08bc069816f70a04ebc98ac0d

SHA1
204932d2001aa8e3c539c33ced66d635f867920f

SHA256
bad946f3948a0a2d92ef75c04c86fd5256f10e5a5014810b69fd1527af675cb2

SHA512
d293b3edc647641b93273a1e89bfb279568848dbd60513e0284fd5b3347e6294eac274f9d91d6286667a6bd307fb9599437c15a8f1260d00d93d3412fff9c580

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit