f922c7571251c7215116ee7cb95bf1a84ab11876257f7e8c13ecb3eb39520ffc

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 06:55

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General

Target

118d09760440a229f6dd9c482b0f5b0a.pdf
Size

34KB
MD5

118d09760440a229f6dd9c482b0f5b0a
SHA1

76bdf62ce10f155bda3c69a614cbfe269f36d4a9
SHA256

f922c7571251c7215116ee7cb95bf1a84ab11876257f7e8c13ecb3eb39520ffc
SHA512

a5437c1c446693e81638463a181926da5511a35e5c977e9862fb10b51aabe17ffc10f5b3435e652b04a3f95a0926e277e0142e5fb6cc667b7dd2eb69653d7c3e
SSDEEP

768:eS+/Tq34yS7wSAkZPGiM10DPGzaVkTJM/Gvr3QVKr:kyxkZGiXDPYaEe0r3QVKr

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe
1336	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 5548	1336	AcroRd32.exe	92
PID 1336 wrote to memory of 5548	1336	AcroRd32.exe	92
PID 1336 wrote to memory of 5548	1336	AcroRd32.exe	92
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 2224	5548	RdrCEF.exe	94
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93
PID 5548 wrote to memory of 4600	5548	RdrCEF.exe	93

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\118d09760440a229f6dd9c482b0f5b0a.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:1336
- 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:5548
- - 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=04EC0CD33CB0809E8CBD5BF069400097 --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=04EC0CD33CB0809E8CBD5BF069400097 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4600
- - 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=5E68F21B605252654A02AFD01C2B4FC6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2224
- - 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=7F1B6AA5FEA9D99785D164B2D97FE32A --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:376
- - 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=4E6DE64EC3C177599E4A7110757985D4 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5780
- - 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=E1E702C8275CF7C6D0633364427F511D --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1092
- - 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=0A922E8985A6DB23E327ED6379316FBD --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=0A922E8985A6DB23E327ED6379316FBD --renderer-client-id=8 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2524

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
02cfed56fce07e5def6a687f52c083f0

SHA1
95d7d2039f8459e9e4c661d322fc84835e927154

SHA256
a07dff26be96d336ae9bd6aa7ac9c6e74790ccc26ba5ed759176223d1052b1aa

SHA512
12d2f0d126b58d146e46527ba3f43bc485f4d90977f57ce102104c564c652d3a63621454d676fe898aefb6de31eabd2283e5b6fb19897edaf3888105231873cd

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit