hxxp://r[.]newsletter[.]as-98[.]com/mk/op/3C52WinrKhHwWC9OfMS21nM7qgUIbhuYJ_PbW0RCui9W03a4rA684D_28CM4JBm0W1GEF4myE7vWjjE9VLC0Xwn8EBrrBiVc4cgqcScgtGCTyOopH2Zi971pGfq67dSwUfUDL3U

Analysis

max time kernel
26s
max time network
28s
platform
windows10-2004_x64
resource
win10v2004-20230220-it
resource tags

arch:x64arch:x86image:win10v2004-20230220-itlocale:it-itos:windows10-2004-x64systemwindows
submitted
06/03/2023, 10:14

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General

Target

http://r.newsletter.as-98.com/mk/op/3C52WinrKhHwWC9OfMS21nM7qgUIbhuYJ_PbW0RCui9W03a4rA684D_28CM4JBm0W1GEF4myE7vWjjE9VLC0Xwn8EBrrBiVc4cgqcScgtGCTyOopH2Zi971pGfq67dSwUfUDL3U

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133225748992535145"	chrome.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4948	chrome.exe
4948	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
4948	chrome.exe
4948	chrome.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe
Token: SeShutdownPrivilege	4948	chrome.exe
Token: SeCreatePagefilePrivilege	4948	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe
4948	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 624	4948	chrome.exe	85
PID 4948 wrote to memory of 624	4948	chrome.exe	85
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 4492	4948	chrome.exe	86
PID 4948 wrote to memory of 3672	4948	chrome.exe	87
PID 4948 wrote to memory of 3672	4948	chrome.exe	87
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88
PID 4948 wrote to memory of 1976	4948	chrome.exe	88

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" http://r.newsletter.as-98.com/mk/op/3C52WinrKhHwWC9OfMS21nM7qgUIbhuYJ_PbW0RCui9W03a4rA684D_28CM4JBm0W1GEF4myE7vWjjE9VLC0Xwn8EBrrBiVc4cgqcScgtGCTyOopH2Zi971pGfq67dSwUfUDL3U
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fff6b0c9758,0x7fff6b0c9768,0x7fff6b0c9778
  2⤵
  PID:624
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1800 --field-trial-handle=1816,i,298851693756325596,9681551300218861933,131072 /prefetch:2
  2⤵
  PID:4492
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2168 --field-trial-handle=1816,i,298851693756325596,9681551300218861933,131072 /prefetch:8
  2⤵
  PID:3672
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2164 --field-trial-handle=1816,i,298851693756325596,9681551300218861933,131072 /prefetch:8
  2⤵
  PID:1976
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3124 --field-trial-handle=1816,i,298851693756325596,9681551300218861933,131072 /prefetch:1
  2⤵
  PID:376
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3164 --field-trial-handle=1816,i,298851693756325596,9681551300218861933,131072 /prefetch:1
  2⤵
  PID:1056
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4772 --field-trial-handle=1816,i,298851693756325596,9681551300218861933,131072 /prefetch:8
  2⤵
  PID:4660
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4916 --field-trial-handle=1816,i,298851693756325596,9681551300218861933,131072 /prefetch:8
  2⤵
  PID:2472
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4784 --field-trial-handle=1816,i,298851693756325596,9681551300218861933,131072 /prefetch:8
  2⤵
  PID:2968

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:4840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Local\Google\Chrome\User Data\Default\6a7fad8d-adc2-4b36-a959-361a9ef48206.tmp

Filesize
15KB

MD5
cfe40a738f786214ff2a95c8fbb4275b

SHA1
eac86874c73a5c153d2287737f9689b5ef9a225e

SHA256
5097c8f38d99e602064d5332350a6a1093db6fd4e6127ffaa55c95260834772d

SHA512
72da3985ef85d6ded68415c5f0f0b34b472939c6f9529c17a912ed243b51dcd422412cc3ad5a74d9a9d25cc280193c7a95d97185346637cce8f07672b88f8bae

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
6KB

MD5
a55187b09dc34a775fd649e18d1547f4

SHA1
e8a110aaefb1ef4186c374d9eca67bfeceaa2249

SHA256
6e115c51cc4ddcb9db663ad945bb3e94d777eca4f18f701ff6f37e5ce801c1cc

SHA512
8eb3ff7b9aaabf5d4861fe71e5ed501fcb78794c068bd1d4fa06dd902f3b1a1c6a6e2638b4e8280131fbc15341505446af3a55c4cfd33bffd865784b74514433

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
143KB

MD5
06ae5a48f53b39cab114b551419eebfe

SHA1
3d64e94f7991f060a26c4588d90b60733ec52e18

SHA256
e9b9543b8e10df7b498c8defe4cd40cb18f2f14185d91df3bad86d927b87c94d

SHA512
d1cde35d9f7a44ecc825f22d68f51eab9ccc90434390ae7bbcd165bd253e4f73aea14747fd5404b62744c0daf9b2ac14264917bc103f60152264ebb3718d1369

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit
memory/4492-136-0x00007FFF87150000-0x00007FFF87151000-memory.dmp

Filesize
4KB

Download
memory/4660-156-0x00007FFF87860000-0x00007FFF87861000-memory.dmp

Filesize
4KB

Download
memory/4660-157-0x00007FFF87280000-0x00007FFF87281000-memory.dmp

Filesize
4KB

Download