31382f19b867a8a7204fcaa3c5525658b93555558c7cf710067ccee159c2a42e

Analysis

max time kernel
931s
max time network
1699s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
31/10/2023, 03:05

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General

Target

pmerj.txt
Size

78B
MD5

b5791083ae1d70510ecca6e007ea4dfa
SHA1

7e46c87eb83fd1a838640f7699d9982b23011b73
SHA256

31382f19b867a8a7204fcaa3c5525658b93555558c7cf710067ccee159c2a42e
SHA512

fc5770abc57e85bcb2be86a07ff4b011fedc914b139d14f3b914899abac0199485f6a7e3ee5efd08226e1f24984b209ed8acebabe30ea18a95e6c9a47841003e

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

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2096	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe
Token: SeShutdownPrivilege	2268	chrome.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
2096	NOTEPAD.EXE
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe
2268	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2204	2268	chrome.exe	29
PID 2268 wrote to memory of 2204	2268	chrome.exe	29
PID 2268 wrote to memory of 2204	2268	chrome.exe	29
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2624	2268	chrome.exe	31
PID 2268 wrote to memory of 2576	2268	chrome.exe	33
PID 2268 wrote to memory of 2576	2268	chrome.exe	33
PID 2268 wrote to memory of 2576	2268	chrome.exe	33
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32
PID 2268 wrote to memory of 2596	2268	chrome.exe	32

C:\Windows\system32\NOTEPAD.EXE
C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\pmerj.txt
1⤵
- Opens file in notepad (likely ransom note)
- Suspicious use of FindShellTrayWindow
PID:2096

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
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:2268
- 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,0x7fef6569758,0x7fef6569768,0x7fef6569778
  2⤵
  PID:2204
- 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=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:2
  2⤵
  PID:2624
- 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=1596 --field-trial-handle=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:8
  2⤵
  PID:2596
- 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=1516 --field-trial-handle=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:8
  2⤵
  PID:2576
- 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=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2308 --field-trial-handle=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:1
  2⤵
  PID:2668
- 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=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2320 --field-trial-handle=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:1
  2⤵
  PID:2776
- 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=1412 --field-trial-handle=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:2
  2⤵
  PID:1704
- 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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=2248 --field-trial-handle=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:1
  2⤵
  PID:2088
- 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=3464 --field-trial-handle=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:8
  2⤵
  PID:3008
- 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=3460 --field-trial-handle=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:8
  2⤵
  PID:3068
- 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=3708 --field-trial-handle=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:8
  2⤵
  PID:1860
- 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=3876 --field-trial-handle=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:8
  2⤵
  PID:844
- 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=3732 --field-trial-handle=1396,i,14886244326731202241,14869899024525850261,131072 /prefetch:8
  2⤵
  PID:2372

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:2936

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\Local\Google\Chrome\User Data\8e60412e-604a-48a3-a9c4-a6862e586ef1.tmp

Filesize
220KB

MD5
531b9f22afdea948b73b69d555f3c227

SHA1
4cead42b8392a8df241e96ca317fc1d85578c393

SHA256
55f9466545edb7fecd5120e07fcd8812034616f93a64993fe6aea65f5ccc89cd

SHA512
1f2f756dacb27e5fe6fd084e0778a1715ca911d435bdfc18057a8982c47d6ef1701733cc22a6284a244fbef0a6c070f0495af3abcf744963a2cc9790e9578a14

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
95e71626b7d19019ae722b96c8caab53

SHA1
7fca9b1dd0e0877cb09ede6b5892264c776ae862

SHA256
cfb19fb1d5b62bb6c29dd5b1fc7f8b08a8ca6898b62c563c3451ebda98dc30c4

SHA512
ffb30264771ee2a716ebf41623f556db9e78018bf1fa77269b2ad7d3aae9095575af79f1481616cbb50ee42893a325399ddbec1101863860a4ca238048e3e0b2

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

Filesize
4KB

MD5
45b65df4cf74939913b8a79c84277be4

SHA1
0b1b17941988c383045c4ac1706189e684e1607c

SHA256
517d22bc795fd8ea1e93d8d16041c4112d38aa74b2fa183f7943bcf14d0ba185

SHA512
a46b19618e3ca3b2e605b80ecb89459d3d32beef9ea3f7ca405286fd5d2df576130c908bdb65d180db431d8877dc6b2d11cd860b25316275f5e9d58235d0e270

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

Filesize
110KB

MD5
269885400f7e7a01b12b628738e7fe5e

SHA1
b79bb96066d345c149cf3bc879354b97254a567d

SHA256
9eb80b93b07a75d4607e8ebfc1fa8b4da395f31e90da567550b1a43ce9585995

SHA512
5b247192009176eb6c35327f2f93e4406d7625c838a9c62ca631ca37b4040ecc1809d75922e8d64931c461cf25b72fa203276b2e8f907cb49dc7742d7dcaca7b

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

Filesize
236KB

MD5
c6c2e76c47ae331c5c8412190344f6bb

SHA1
d0f92237d4502ea53062b9aa8da2c4a05488149c

SHA256
28068be898e40436f20452cbeaeefb14e984b01ecea76a84d41d57b12d0616ef

SHA512
a8eb4d6d40b47ae41640f57a8d977b71bdabd9328cdfcd022b4ee541fd13d2b9a17cb2314bf9abd5d2c4f063610ffbe6ec3ea10f13a9b86d117774a533d4a68a

Download Submit