3debcbb2058be98efbd78a54be73399f0b9b89d013ddf2ab2e48f68100e3b78d

Analysis

max time kernel
120s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14/08/2024, 09:48

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General

Target

d3c0fdc1eff7ccee3038399a717fa780N.exe
Size

55KB
MD5

d3c0fdc1eff7ccee3038399a717fa780
SHA1

cd5445fe8c8068785eb16f6b65c040276c729f85
SHA256

3debcbb2058be98efbd78a54be73399f0b9b89d013ddf2ab2e48f68100e3b78d
SHA512

1a210dec0f1389c2654f49b56ebdf692334a6a2122a979412e8141753f1eb353f20e3a752070d37174aab91483c74e94ebae3605565a5112eed5348278b6b64f
SSDEEP

768:4oMn6f9zSX3e3cZ9SoD8XD33fyEpk58sCuSNcIcXR/QGQeCa57qEQwLGVPyMT18:26f9uusDSoDEXC58kSEYFa1vnLaya6

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2788	upsec.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	d3c0fdc1eff7ccee3038399a717fa780N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2180-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/files/0x0008000000012115-6.dat	upx
behavioral1/memory/2180-10-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/memory/2788-12-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral1/memory/2788-16-0x0000000000400000-0x0000000000412000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d3c0fdc1eff7ccee3038399a717fa780N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	upsec.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2788	2180	d3c0fdc1eff7ccee3038399a717fa780N.exe	30
PID 2180 wrote to memory of 2788	2180	d3c0fdc1eff7ccee3038399a717fa780N.exe	30
PID 2180 wrote to memory of 2788	2180	d3c0fdc1eff7ccee3038399a717fa780N.exe	30
PID 2180 wrote to memory of 2788	2180	d3c0fdc1eff7ccee3038399a717fa780N.exe	30

C:\Users\Admin\AppData\Local\Temp\d3c0fdc1eff7ccee3038399a717fa780N.exe
"C:\Users\Admin\AppData\Local\Temp\d3c0fdc1eff7ccee3038399a717fa780N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\upsec.exe
  "C:\Users\Admin\AppData\Local\Temp\upsec.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\upsec.exe

Filesize
55KB

MD5
bcef60f60deb14981aa9f8fb5b8313da

SHA1
7afbf67f119edef70717d9db8717dbcf8d11c26c

SHA256
9285bd0cb8c334e84ca7289cd4d22f37733e8ff065e72694e2e8efa641d1c41f

SHA512
c563bee3ade7d69ad9602f7e416c3e36b647241cfaf6653c287c1cb08a403d7e8455218c00c0fc8a8095cb38ed44748112d6e817c60d6ecee17ba799329c9c3f

Download Submit
memory/2180-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2180-2-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2180-4-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2180-1-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2180-10-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2788-12-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2788-16-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2788-18-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download