6c9a44d62538d1a793b7f0e0b72b18753f9c9a26ec00224474ad65315fc50119

Analysis

max time kernel
67s
max time network
64s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
29-03-2023 13:22

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General

Target

JJS-UI.lnk
Size

2KB
MD5

a64b5f54c9ebbab4c7b135b1a6314125
SHA1

30e3dce5dd8f63c43b4c96d11628f73255c3c063
SHA256

6c9a44d62538d1a793b7f0e0b72b18753f9c9a26ec00224474ad65315fc50119
SHA512

9a9a0338b44f585d253e19f187116be83b139c45e1991804cdfd6ee48fc388fcd6489145511892b7dd5df0a5160fee60ca45e15462161f7fcc751f2c3811e7bc

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run	chrome.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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
1724	chrome.exe
1724	chrome.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe
Token: SeShutdownPrivilege	1724	chrome.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe
1724	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1808	1724	chrome.exe	30
PID 1724 wrote to memory of 1808	1724	chrome.exe	30
PID 1724 wrote to memory of 1808	1724	chrome.exe	30
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 636	1724	chrome.exe	32
PID 1724 wrote to memory of 2036	1724	chrome.exe	33
PID 1724 wrote to memory of 2036	1724	chrome.exe	33
PID 1724 wrote to memory of 2036	1724	chrome.exe	33
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34
PID 1724 wrote to memory of 1460	1724	chrome.exe	34

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\JJS-UI.lnk
1⤵
PID:1396

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Adds Run key to start application
- 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:1724
- 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,0x7fef6989758,0x7fef6989768,0x7fef6989778
  2⤵
  PID:1808
- 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=1180 --field-trial-handle=1224,i,635227137677598629,10326428745798746098,131072 /prefetch:2
  2⤵
  PID:636
- 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=1464 --field-trial-handle=1224,i,635227137677598629,10326428745798746098,131072 /prefetch:8
  2⤵
  PID:2036
- 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=1460 --field-trial-handle=1224,i,635227137677598629,10326428745798746098,131072 /prefetch:8
  2⤵
  PID:1460
- 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=2308 --field-trial-handle=1224,i,635227137677598629,10326428745798746098,131072 /prefetch:1
  2⤵
  PID:1224
- 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=2272 --field-trial-handle=1224,i,635227137677598629,10326428745798746098,131072 /prefetch:1
  2⤵
  PID:1924
- 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=1424 --field-trial-handle=1224,i,635227137677598629,10326428745798746098,131072 /prefetch:2
  2⤵
  PID:2088
- 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=2 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1236 --field-trial-handle=1224,i,635227137677598629,10326428745798746098,131072 /prefetch:1
  2⤵
  PID:2172
- 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=3784 --field-trial-handle=1224,i,635227137677598629,10326428745798746098,131072 /prefetch:8
  2⤵
  PID:2244
- 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=3904 --field-trial-handle=1224,i,635227137677598629,10326428745798746098,131072 /prefetch:8
  2⤵
  PID:2260
- 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=2 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=4144 --field-trial-handle=1224,i,635227137677598629,10326428745798746098,131072 /prefetch:1
  2⤵
  PID:2404

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:996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\2159155f-484c-46f5-9b77-ad3b8581516a.tmp

Filesize
144KB

MD5
dcdef490fb24f1eba25a5c1ab85a5d75

SHA1
36d97298319a446b76c04fe6dbe1b7237f494720

SHA256
125713550e976c6c94408271fdb6bf8893bbd772be1952c66ebfc57e4a42895e

SHA512
edd7381eba87ef5d204ec76217b112594db04e00f4d9e02e95bf0f2b669f5b8f5694a8e6e308dcad2af170b5f591bfee5c365c153b2749ae2b4140e2ed665bf1

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\Network\TransportSecurity

Filesize
363B

MD5
1b4a957322c311db26653617bb947db2

SHA1
5cceb54d3c9a728d1730716f5c4016bac1648c4b

SHA256
2953400974189d2f8368a984010bc5da06b46ac39d7dc675f9f13c860aebd62c

SHA512
e9b87a4313b93eed36cb34445a0487182f53d7272a26d91561fcfca6b3eb10c877bbc52d26a2cd7c592bd1c35ec12a6cd94773c7dbeda77d9ef6a1336dbb6050

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

Filesize
4KB

MD5
de80255ac28a2f2cd5d7da6ab1ca6b12

SHA1
dd5551b19a4a934715f07c1e4811e37ff40ce61d

SHA256
7a09d588e4df7fabf60a11487931a9918d34b64b22d913e2f2b63cc6e36c62af

SHA512
7137461c9d9d9b75a924ada71ba49b3c5496a8d8921007d71ad6574a38a042373515201d51fb904a4ea7f6baca0394fec4cb26b9d4931aad0071ec6c3dfa8183

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\shared_proto_db\metadata\000004.dbtmp

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

Filesize
144KB

MD5
1ffce9d8f8c3e6ee2ba67fe2dc2b8a72

SHA1
7d6b4e153113cb0bdd2e894ba0a36ba5cd23a616

SHA256
631efe3bcb1a259789c7f097b353c46b43a2239e8affa34924c29be54bcf52c1

SHA512
db8c4dfeac1fd5b9d5daa3f600cfcb18ff6855961c35b1abc5c7426e5ccc6d758574e47a8c8bcfa42a3ba8e291f2bfa71b47452ded18f65836da184f040a5486

Download Submit