a2300c789f080aa75e0f1ae440a0406eae845771895629546157ddc70de5a3ed

Analysis

max time kernel
394s
max time network
1767s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
25/11/2023, 16:00

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General

Target

mega.txt
Size

73B
MD5

a90b15fb440d1a8fbf47775ed5124839
SHA1

3a5143426095023501ebc13da680cf453ea21b6e
SHA256

a2300c789f080aa75e0f1ae440a0406eae845771895629546157ddc70de5a3ed
SHA512

6d49fea7e6890c1c6b16405740d06b51fbea9f70daad44f44c6047538b8a7b5da98ddb6f2b59b359cd626db77d8e6ed20fe7248e2b33ace9051ee25810fca0e5

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
1724	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe
Token: SeShutdownPrivilege	2768	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe
2768	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2020	2768	chrome.exe	31
PID 2768 wrote to memory of 2020	2768	chrome.exe	31
PID 2768 wrote to memory of 2020	2768	chrome.exe	31
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 2592	2768	chrome.exe	33
PID 2768 wrote to memory of 3004	2768	chrome.exe	35
PID 2768 wrote to memory of 3004	2768	chrome.exe	35
PID 2768 wrote to memory of 3004	2768	chrome.exe	35
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34
PID 2768 wrote to memory of 2344	2768	chrome.exe	34

C:\Windows\system32\NOTEPAD.EXE
C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\mega.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:1724

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:2768
- 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,0x7fef7059758,0x7fef7059768,0x7fef7059778
  2⤵
  PID:2020
- 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=1156 --field-trial-handle=1216,i,1602270325125083683,15160415132571014150,131072 /prefetch:2
  2⤵
  PID:2592
- 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=1608 --field-trial-handle=1216,i,1602270325125083683,15160415132571014150,131072 /prefetch:8
  2⤵
  PID:2344
- 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=1512 --field-trial-handle=1216,i,1602270325125083683,15160415132571014150,131072 /prefetch:8
  2⤵
  PID:3004
- 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=2252 --field-trial-handle=1216,i,1602270325125083683,15160415132571014150,131072 /prefetch:1
  2⤵
  PID:2840
- 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=2260 --field-trial-handle=1216,i,1602270325125083683,15160415132571014150,131072 /prefetch:1
  2⤵
  PID:2824
- 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=2820 --field-trial-handle=1216,i,1602270325125083683,15160415132571014150,131072 /prefetch:2
  2⤵
  PID:868
- 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=3252 --field-trial-handle=1216,i,1602270325125083683,15160415132571014150,131072 /prefetch:1
  2⤵
  PID:2356
- 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=3316 --field-trial-handle=1216,i,1602270325125083683,15160415132571014150,131072 /prefetch:8
  2⤵
  PID:1832
- 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=3584 --field-trial-handle=1216,i,1602270325125083683,15160415132571014150,131072 /prefetch:8
  2⤵
  PID:1312
- 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=3704 --field-trial-handle=1216,i,1602270325125083683,15160415132571014150,131072 /prefetch:8
  2⤵
  PID:2032

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:1256

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\Default\Network\Network Persistent State

Filesize
1KB

MD5
25f764c76f9386ba2b732224a9b3b3a8

SHA1
aaf97b4ffec2e0cbf1760c9baf24e06d592bffc4

SHA256
12745e845ddd5ccbe6f5db576427b792d0924b2c0bfbbecd4268c85eb5d36614

SHA512
dff3093c73a3f895113d92b2cbde42bb93a39aced51e2360e59b004ef6b19ac2ed3d26125a46c78627f98f99813b48d79b0663491bf4ab3a216c357a6dd609af

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

Filesize
866B

MD5
cd4a3d27301ed4b9e480aba597f438e0

SHA1
8f115d2866f7b572c8b5ca0c36a3c25e3c341976

SHA256
61c851ce8fa1278503fcceed259503cf054097c2c2722981c13cf5aa00d167f0

SHA512
9b4746d1be1e77623528638391d26e3e491e9c25553649f28734c809fe8d3415219f09368a6d4be8e90276979bd6433625430eb6238d0d9dd08b8537743f204e

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

Filesize
4KB

MD5
b87cfd18799ae797562775633385db5c

SHA1
91ff73c232bcebc986549d4d5e4c70eff9975b48

SHA256
77649d0923fa88b990172c99974d799154d8c53cf614898645bd485f1fb73908

SHA512
13ac32e2ac5f3411e7cd77cfbd386c7e76d1e5ab3d01586313061980d85677c6dd4df22b9035b9f3a7c42ce4de15ca17a13acb9d99d2ac7ac517eb67786bd90f

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

Filesize
4KB

MD5
63a27a86a80beec85755c26d62451245

SHA1
58353e11293e74dd960347b4d839f0965c40c434

SHA256
76b6e3d3bea1311e10765750c8bb76cfae48f20f0779804d8c194b2cc26e2755

SHA512
a11ab8a4c92b0eb1ca9b7980699d0baf0a388222915ee56185b9502456c85ff659ab2758404971907813808de7ea64d1be6cfe8dfb6c93eea066eb13ae9333be

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

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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit