3c63458e1852a7125ecbc4e413aac9ab16dd73d4d0c20c0fd354703b7abd337b

Analysis

max time kernel
142s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
22-04-2024 09:06

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General

Target

11600kg/605. tc_cb-gss_GSS-OCS-119202_20240402.pdf
Size

221KB
MD5

1840709dbef1d545fb9d3e230c91640e
SHA1

f41729984015ede84ad5a401511ef218f4633890
SHA256

cadf9a9a76f54cb59e24cd8aa2d1510aee26af725d23e8d59b6ed4620b4379e0
SHA512

f1debab78a7028a5adf53799d0663b17b74cc37702f0fb5f0171878ac5fd8aeac9fcb2cd6e5e2844144f655412b0a58382fc35cb9ed5ccf1060ad026a1ce89bd
SSDEEP

6144:++gYrmTv489zupodfgjOvALMsh/OIJGFc:vgXTrzVdERd

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe
4576	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4576 AcroRd32.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

AcroRd32.exe

pid process

4576 AcroRd32.exe
4576 AcroRd32.exe
4576 AcroRd32.exe
4576 AcroRd32.exe
4576 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4576 wrote to memory of 264	4576	AcroRd32.exe	RdrCEF.exe
PID 4576 wrote to memory of 264	4576	AcroRd32.exe	RdrCEF.exe
PID 4576 wrote to memory of 264	4576	AcroRd32.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 4596	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe
PID 264 wrote to memory of 1216	264	RdrCEF.exe	RdrCEF.exe

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\11600kg\605. tc_cb-gss_GSS-OCS-119202_20240402.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:4576

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:264

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=A7F2183EABEF76C97BD06EFFB1B28AC0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4596

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=21E401C00BFFA1198067E5C5876E4ACC --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=21E401C00BFFA1198067E5C5876E4ACC --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1216

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=E13B0239D3805719561DC78FC01267AD --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:764

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=A1CA558369C351374BE2D54B9531D943 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3548

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=5133873527A3ACEF8420B05D5E3F6D6E --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=5133873527A3ACEF8420B05D5E3F6D6E --renderer-client-id=6 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2084

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=FB6EC81C2AD5C953EBEBBDD4C9D7FBCC --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3000

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4684

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Filesize
64KB

MD5
68ce147f4546bfccd9912efbb6fd08ef

SHA1
35ac2ea7457885d4d9e7745c56e36ef78830b168

SHA256
460e6d4ada4b433d457a8888b6de5184a1db300d0f69f9a8480ada28e69444c6

SHA512
5d55cd2f7b8a06cbe52bf6864b874c0e9ab6388ad93c6b8c0ef39d9372c404ac07deee7202dc2af269594868503a37262ef1d5c1dc5066ae8d53ee76c3d6b8ab

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