48c616cbb15b33f9f8001ae8074e8f68657f604bb20b923ddb6722f752427a9e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 06:51

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General

Target

ies_uni.exe
Size

52KB
MD5

2cc8578a6b955aa273cebf117f9945b4
SHA1

8cba806a7148748bb63f0c9252730effd9efb681
SHA256

a4dd14b89d2167c69ee58591825081563b040a57e52bbafd1e364d8ce6b09f66
SHA512

8be4839dd5276e4b41c81aee04b8270b7c4d3fdc6b6008d31c51d05fbc64823344963a69322f265346e1b7e627bfd103b1a38531d03dc4d95968785385d2c3b6
SSDEEP

1536:1Oup7DCUaAVrEnWzuuLmJgMKH7NeYRNOllz:HtbKWzPmJbK5eqOllz

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1948	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1756	ies_uni.exe
1948	Au_.exe
1948	Au_.exe
1948	Au_.exe

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	ies_uni.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral19/files/0x0006000000018718-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1948	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 1948	1756	ies_uni.exe	30
PID 1756 wrote to memory of 1948	1756	ies_uni.exe	30
PID 1756 wrote to memory of 1948	1756	ies_uni.exe	30
PID 1756 wrote to memory of 1948	1756	ies_uni.exe	30
PID 1756 wrote to memory of 1948	1756	ies_uni.exe	30
PID 1756 wrote to memory of 1948	1756	ies_uni.exe	30
PID 1756 wrote to memory of 1948	1756	ies_uni.exe	30

C:\Users\Admin\AppData\Local\Temp\ies_uni.exe
"C:\Users\Admin\AppData\Local\Temp\ies_uni.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1948

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

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Downloads

\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
52KB

MD5
2cc8578a6b955aa273cebf117f9945b4

SHA1
8cba806a7148748bb63f0c9252730effd9efb681

SHA256
a4dd14b89d2167c69ee58591825081563b040a57e52bbafd1e364d8ce6b09f66

SHA512
8be4839dd5276e4b41c81aee04b8270b7c4d3fdc6b6008d31c51d05fbc64823344963a69322f265346e1b7e627bfd103b1a38531d03dc4d95968785385d2c3b6

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