73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 15:39

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General

Target

73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe
Size

6.1MB
MD5

9f0b2dd262f43cf7f06ac4d210c1fa1a
SHA1

d571b518f545a43596bf00f7fa7076ccd65c3a74
SHA256

73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105
SHA512

9edeb67dfb1f7a4641e84ab7c8fc20f72c4953db4c3c042d392d6a862af94d8e96eda732d4d1666609dfd866edf12e535e93864174e70c718162bf470003f7cd
SSDEEP

98304:w3tlhsoEgXFiVzo7OS4obFPV0igxPMa+DKRcU2jXTrdEWEIqPS23K8ZEMGVcZxsg:InGzAd4EGDPMa5RL2jXSIqP3BCM1Xsg

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2636	SunloginClient.exe

Loads dropped DLL 1 IoCs

pid	Process
2928	73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00380000000141af-28.dat	upx
behavioral1/memory/2928-41-0x0000000004020000-0x0000000004F9C000-memory.dmp	upx
behavioral1/memory/2636-42-0x0000000001280000-0x00000000021FC000-memory.dmp	upx
behavioral1/memory/2636-44-0x0000000001280000-0x00000000021FC000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2928	73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe
2928	73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe
2928	73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2928	73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe
2928	73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2636	2928	73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe	28
PID 2928 wrote to memory of 2636	2928	73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe	28
PID 2928 wrote to memory of 2636	2928	73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe	28
PID 2928 wrote to memory of 2636	2928	73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe	28

C:\Users\Admin\AppData\Local\Temp\73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe
"C:\Users\Admin\AppData\Local\Temp\73783c5cb93ff952d07f5d2d9e992467f32e763e981af2b713a008ffbf9be105.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\SunloginClient.exe
  "C:\Users\Admin\AppData\Local\Temp\SunloginClient.exe"
  2⤵
  - Executes dropped EXE
  PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\DE53C29

Filesize
30B

MD5
31bcdb572cba32cb8a87843f02772dfe

SHA1
8ad63c54f97b4e81183e9f21310e6f5bf99e41f5

SHA256
000b764af299d44a169fe3f8b70d5e8b879ff8f42c91c3e50125d207a1b501d7

SHA512
f8c05872701069846fa592f88bafa69fb0c482872d2e6eb2e8dcd0111254579c51f84e151030db0b77416e5d277562d9a5233f3e610ab1d49a65c295e4437d4b

Download Submit
C:\Users\Admin\AppData\Local\Temp\DE53C30

Filesize
44B

MD5
b2241ab8f28e484cc2220cd158aa4acb

SHA1
b6d3d81ff57061ba5afdca0825889f552240833a

SHA256
ba03b26f37f2f7815339cd65769dc6657bf32a3b10b2ec47051d36f9f5148dbc

SHA512
f69d10d074fa2709b7dda0b6354d20359da3bca011825d307409d7f5dacee12a1d2eb3d28dff365c0cf17a252e2c2419d6bab1dff0cf17de0758173101df9fbe

Download Submit
\Users\Admin\AppData\Local\Temp\SunloginClient.exe

Filesize
4.5MB

MD5
b8790b98e31919116a1eb817927ca8b2

SHA1
7a593a558b185cfc15967405cc43449d0fe6980a

SHA256
a2c0c9518352763137661073fee5f726217b4bf3b45050a311e9072229bde752

SHA512
134e0c69eb77f615bdb4eace483a7b589fafc2d43e80f6b6cdf83ee510cb05eebd545f34aa8caddb1832dc5d0d6b1e09e43a1a00083215be2d5a24359e9619e1

Download Submit
memory/2636-42-0x0000000001280000-0x00000000021FC000-memory.dmp

Filesize
15.5MB

Download
memory/2636-44-0x0000000001280000-0x00000000021FC000-memory.dmp

Filesize
15.5MB

Download
memory/2928-41-0x0000000004020000-0x0000000004F9C000-memory.dmp

Filesize
15.5MB

Download
memory/2928-45-0x0000000004020000-0x0000000004F9C000-memory.dmp

Filesize
15.5MB

Download