8e0e38ed2f8c46569c0b1d250f3e66b190d256a7fa0824bd5d3e8bf215fb5ce2

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 22:24

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General

Target

rxbaoV3.29_Y/rxbaoV3.29_Y.exe
Size

278KB
MD5

bb38eee96a088ae584ef279ecfa78d23
SHA1

ea6ddd00db17607d6de1d50e64ac27103d7945bf
SHA256

4e6a1b9790bf63d2aa0a9c12d9a9cffc516eb7f793716587786ab37c7f5e89e5
SHA512

7f1e3538e941cae7fb194def0172a9d4cf0dc568024722d70ecb84bf7675c0f281adcdc10c9288b86f4e1b50a5c5c9044f17532f8e89aaac85223b900f783ef5
SSDEEP

6144:uz+92mhAMJ/cPl3im0L4sxZz417txhutOmsLouttmJ1DZc576F17i:uK2mhAMJ/cPl9M4lhutwQ1wU17i

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

热血宝宝自动检测更新.exe

pid process

1704 热血宝宝自动检测更新.exe

pid	process
1704	热血宝宝自动检测更新.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe	upx
\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe	upx
\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe	upx
\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe	upx
C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe	upx
behavioral15/memory/1704-62-0x0000000000400000-0x0000000000412000-memory.dmp	upx

Loads dropped DLL 4 IoCs

Processes:

rxbaoV3.29_Y.exe

pid process

1464 rxbaoV3.29_Y.exe
1464 rxbaoV3.29_Y.exe
1464 rxbaoV3.29_Y.exe
1464 rxbaoV3.29_Y.exe

pid	process
1464	rxbaoV3.29_Y.exe
1464	rxbaoV3.29_Y.exe
1464	rxbaoV3.29_Y.exe
1464	rxbaoV3.29_Y.exe

Drops file in System32 directory 2 IoCs

Processes:

热血宝宝自动检测更新.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\zzxxcck.dll	热血宝宝自动检测更新.exe
File created	C:\Windows\SysWOW64\zzxxcck.dll	热血宝宝自动检测更新.exe

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

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

热血宝宝自动检测更新.exe

description pid process

Token: SeDebugPrivilege 1704 热血宝宝自动检测更新.exe

description	pid	process
Token: SeDebugPrivilege	1704	热血宝宝自动检测更新.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rxbaoV3.29_Y.exe

description	pid	process	target process
PID 1464 wrote to memory of 1704	1464	rxbaoV3.29_Y.exe	热血宝宝自动检测更新.exe
PID 1464 wrote to memory of 1704	1464	rxbaoV3.29_Y.exe	热血宝宝自动检测更新.exe
PID 1464 wrote to memory of 1704	1464	rxbaoV3.29_Y.exe	热血宝宝自动检测更新.exe
PID 1464 wrote to memory of 1704	1464	rxbaoV3.29_Y.exe	热血宝宝自动检测更新.exe
PID 1464 wrote to memory of 1704	1464	rxbaoV3.29_Y.exe	热血宝宝自动检测更新.exe
PID 1464 wrote to memory of 1704	1464	rxbaoV3.29_Y.exe	热血宝宝自动检测更新.exe
PID 1464 wrote to memory of 1704	1464	rxbaoV3.29_Y.exe	热血宝宝自动检测更新.exe

C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\rxbaoV3.29_Y.exe
"C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\rxbaoV3.29_Y.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe
  "C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  PID:1704

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe

Filesize
37KB

MD5
e9a4f6a3da13323a8b4282df3edd06f5

SHA1
31d785e02734f68b685be1477d240cb56bb06acf

SHA256
3a822cf5a59f18ec26046e2a02d961c17c19c292432587e335dfed4db6b7da27

SHA512
8db04e0dd14bcdcbf2ff8144c64ddfc624db8f23dc5f5386908dabffc5f259b0c33bdc0c17120858666aa828733fdc5326f9eed3e46aaf2dcf3eecf4d4318b59

Download Submit
\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe

Filesize
37KB

MD5
e9a4f6a3da13323a8b4282df3edd06f5

SHA1
31d785e02734f68b685be1477d240cb56bb06acf

SHA256
3a822cf5a59f18ec26046e2a02d961c17c19c292432587e335dfed4db6b7da27

SHA512
8db04e0dd14bcdcbf2ff8144c64ddfc624db8f23dc5f5386908dabffc5f259b0c33bdc0c17120858666aa828733fdc5326f9eed3e46aaf2dcf3eecf4d4318b59

Download Submit
\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe

Filesize
37KB

MD5
e9a4f6a3da13323a8b4282df3edd06f5

SHA1
31d785e02734f68b685be1477d240cb56bb06acf

SHA256
3a822cf5a59f18ec26046e2a02d961c17c19c292432587e335dfed4db6b7da27

SHA512
8db04e0dd14bcdcbf2ff8144c64ddfc624db8f23dc5f5386908dabffc5f259b0c33bdc0c17120858666aa828733fdc5326f9eed3e46aaf2dcf3eecf4d4318b59

Download Submit
\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe

Filesize
37KB

MD5
e9a4f6a3da13323a8b4282df3edd06f5

SHA1
31d785e02734f68b685be1477d240cb56bb06acf

SHA256
3a822cf5a59f18ec26046e2a02d961c17c19c292432587e335dfed4db6b7da27

SHA512
8db04e0dd14bcdcbf2ff8144c64ddfc624db8f23dc5f5386908dabffc5f259b0c33bdc0c17120858666aa828733fdc5326f9eed3e46aaf2dcf3eecf4d4318b59

Download Submit
\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe

Filesize
37KB

MD5
e9a4f6a3da13323a8b4282df3edd06f5

SHA1
31d785e02734f68b685be1477d240cb56bb06acf

SHA256
3a822cf5a59f18ec26046e2a02d961c17c19c292432587e335dfed4db6b7da27

SHA512
8db04e0dd14bcdcbf2ff8144c64ddfc624db8f23dc5f5386908dabffc5f259b0c33bdc0c17120858666aa828733fdc5326f9eed3e46aaf2dcf3eecf4d4318b59

Download Submit
memory/1464-54-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1704-59-0x0000000000000000-mapping.dmp

Download
memory/1704-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download