hxxps://letguest-rsvpnow[.]info/

Analysis

max time kernel
21s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
09/01/2024, 17:43

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General

Target

https://letguest-rsvpnow.info/

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2128	chrome.exe
2128	chrome.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe
Token: SeShutdownPrivilege	2128	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe
2128	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2696	2128	chrome.exe	28
PID 2128 wrote to memory of 2696	2128	chrome.exe	28
PID 2128 wrote to memory of 2696	2128	chrome.exe	28
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 1092	2128	chrome.exe	30
PID 2128 wrote to memory of 2576	2128	chrome.exe	31
PID 2128 wrote to memory of 2576	2128	chrome.exe	31
PID 2128 wrote to memory of 2576	2128	chrome.exe	31
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32
PID 2128 wrote to memory of 1060	2128	chrome.exe	32

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://letguest-rsvpnow.info/
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2128
- 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6f39758,0x7fef6f39768,0x7fef6f39778
  2⤵
  PID:2696
- 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=1184 --field-trial-handle=1216,i,11454489708730872783,2481674205442842439,131072 /prefetch:2
  2⤵
  PID:1092
- 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=1524 --field-trial-handle=1216,i,11454489708730872783,2481674205442842439,131072 /prefetch:8
  2⤵
  PID:2576
- 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=1604 --field-trial-handle=1216,i,11454489708730872783,2481674205442842439,131072 /prefetch:8
  2⤵
  PID:1060
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2324 --field-trial-handle=1216,i,11454489708730872783,2481674205442842439,131072 /prefetch:1
  2⤵
  PID:2556
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2332 --field-trial-handle=1216,i,11454489708730872783,2481674205442842439,131072 /prefetch:1
  2⤵
  PID:1876
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1404 --field-trial-handle=1216,i,11454489708730872783,2481674205442842439,131072 /prefetch:2
  2⤵
  PID:608
- 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=3748 --field-trial-handle=1216,i,11454489708730872783,2481674205442842439,131072 /prefetch:8
  2⤵
  PID:1652
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=1572 --field-trial-handle=1216,i,11454489708730872783,2481674205442842439,131072 /prefetch:1
  2⤵
  PID:2544
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=744 --field-trial-handle=1216,i,11454489708730872783,2481674205442842439,131072 /prefetch:1
  2⤵
  PID:1104

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:652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
8b791c3d65ddeaa36b09f9c80f5b9dae

SHA1
5c8e577ffdc284b84b730bda37833352b5d57e8f

SHA256
d4e5d9285edeb11ced20ddfd76a2b1b249f8fbf29e2cd92c9e185e9d84c7edcc

SHA512
25f35bddfc092844a5d7d81efce50f845275548f650f4834e32b468f62b72dadd2b3b122c3c8d7413d070b835bb8e604b017f489e0119e0152a836d40ecd433b

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

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

Filesize
4KB

MD5
712ad3ee3655fff89091daeb3156dd69

SHA1
f560773864b266d979da4749a1bb6a18c0436f15

SHA256
c58c638732b2c1323b449b0dc4205a9276e74b419051e68e54174195333395da

SHA512
a703ea3cdfc35177e80d3ae72b26f4c8dc2b3470234871f57fd1b0e98e30fae680543e7c0dcf67ffc05b46cf380cf926f97163b3380f0615ab7ada3eaca8407c

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

Filesize
4KB

MD5
ecca31d2027e9e79dd3edbbfecaaac0a

SHA1
ebe1e4c1ac10dfa4539270521833aa2c790582e4

SHA256
bd3aebd6aa86ab2841d11f42074f310279da10c1ef784e61512cc3a3cc70e3df

SHA512
58266f460dbef0f4acdd157a4ce00befcc10bde8d94a22d43ff39ccc3c9ec571b6816c3f8064cdbb338235a087c5f45a393bf9a1b0faac01f0334ba7bea9fa9f

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\d11ad3e1-be87-4881-a52f-cbb9574d6100.tmp

Filesize
7KB

MD5
68779a74786939d8ad81dc179eb2bd3a

SHA1
0a00fe9a2a13800bffea2a303433269da7efbb95

SHA256
ac43bf6865bfb34088ac550674afa653d3cdc76017b3ccc47b3127304898285b

SHA512
f9ac5c508a1672e73c1969829aa4d61198bbbadfbc1f72f43e58b73afb995e57fd3b6269fc7d740bc87edea0a10765a0526c63332fc8eaaa95ca354a0c4f2b55

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabD5B8.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE259.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit