ba05034a3a000920ab02926243202060350240818fd8f710c43c433a83a718b8

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
02-06-2024 01:48

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General

Target

ba05034a3a000920ab02926243202060350240818fd8f710c43c433a83a718b8.exe
Size

126KB
MD5

1aaecbc032db35db938654c5ce176aa6
SHA1

247e6bcb62311a00aeb52715c05bdbbea1dcff40
SHA256

ba05034a3a000920ab02926243202060350240818fd8f710c43c433a83a718b8
SHA512

58974446ed7af799d834b3e5c0affcc77d3fe9aee0e60f4b1628e41f7847d3fada77ab07d47fd1f0d5a383c27be356b67f6b6bb40347bf4b3ea73873ab26c148
SSDEEP

1536:t/db4Y4yxmCNu+r/tTujUAsOer7LYj4T9AwbCfwHvU:tlbgMu+rRuSOerXc

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/1764-0-0x0000000000400000-0x0000000000418000-memory.dmp	UPX
behavioral1/files/0x000d00000001227f-6.dat	UPX
behavioral1/memory/1764-8-0x0000000001DB0000-0x0000000001DC8000-memory.dmp	UPX
behavioral1/memory/1764-11-0x0000000000400000-0x0000000000418000-memory.dmp	UPX
behavioral1/memory/2228-15-0x0000000000400000-0x0000000000418000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2228	conwur.exe

Loads dropped DLL 1 IoCs

pid	Process
1764	ba05034a3a000920ab02926243202060350240818fd8f710c43c433a83a718b8.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1764-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/files/0x000d00000001227f-6.dat	upx
behavioral1/memory/1764-8-0x0000000001DB0000-0x0000000001DC8000-memory.dmp	upx
behavioral1/memory/1764-11-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2228-15-0x0000000000400000-0x0000000000418000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 2228	1764	ba05034a3a000920ab02926243202060350240818fd8f710c43c433a83a718b8.exe	28
PID 1764 wrote to memory of 2228	1764	ba05034a3a000920ab02926243202060350240818fd8f710c43c433a83a718b8.exe	28
PID 1764 wrote to memory of 2228	1764	ba05034a3a000920ab02926243202060350240818fd8f710c43c433a83a718b8.exe	28
PID 1764 wrote to memory of 2228	1764	ba05034a3a000920ab02926243202060350240818fd8f710c43c433a83a718b8.exe	28

C:\Users\Admin\AppData\Local\Temp\ba05034a3a000920ab02926243202060350240818fd8f710c43c433a83a718b8.exe
"C:\Users\Admin\AppData\Local\Temp\ba05034a3a000920ab02926243202060350240818fd8f710c43c433a83a718b8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Users\Admin\AppData\Local\Temp\conwur.exe
  "C:\Users\Admin\AppData\Local\Temp\conwur.exe"
  2⤵
  - Executes dropped EXE
  PID:2228

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

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Downloads

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

Filesize
126KB

MD5
152ce2af32be1028e039614e892f8995

SHA1
85f1e4296b4d50fd384cf696be007d902a060a84

SHA256
f5b90bc755293f45df686d55824f6d32705b39120388c4502a42f80202a5672f

SHA512
6ba21ee2a6e65b78f95962b8e130ee5d6221a34f60d087b1ff9667773278f624649dbb19d649b3157a2e860ef163052bd66e0a15e21590c2f1ecfbcabdac3adb

Download Submit
memory/1764-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1764-1-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/1764-2-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/1764-3-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/1764-8-0x0000000001DB0000-0x0000000001DC8000-memory.dmp

Filesize
96KB

Download
memory/1764-11-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2228-15-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download