a32a078e1abd1fd01d098bbb7cb6086d5833efd1d42956f70aea05a2d3a55d15

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 07:43

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General

Target

hycd080401.exe
Size

11.7MB
MD5

0e18b0a71b48c4aed2de96cd9617ca54
SHA1

104b574dd31d41f7b0f5d8fa55b573c62702a5d1
SHA256

b39a1f7d4b6bf15780788d10615a39839b5ab460a873cf4d3c0976ce3ffa4474
SHA512

fa87b25f7d071c0b3f760b19fc2fce921883f74ed18ab3af0a4723ccc724373a357cdba9539e03a790b135549a8519deb884f90cdad807f62e6415cf69e0d769
SSDEEP

196608:xoiCnmup1ZigSn+YB+QRnzfdvwYeGZv9q67gFyDlkSy0SQjiG84Y2DtKEpKBhTjF:qiPupntSnHzf9ZFVhlLeHr2DaPTj8Cyi

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1680	is-HCU49.tmp

Loads dropped DLL 3 IoCs

pid	Process
2368	hycd080401.exe
1680	is-HCU49.tmp
1680	is-HCU49.tmp

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	hycd080401.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	is-HCU49.tmp

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1680	is-HCU49.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1680	2368	hycd080401.exe	30
PID 2368 wrote to memory of 1680	2368	hycd080401.exe	30
PID 2368 wrote to memory of 1680	2368	hycd080401.exe	30
PID 2368 wrote to memory of 1680	2368	hycd080401.exe	30
PID 2368 wrote to memory of 1680	2368	hycd080401.exe	30
PID 2368 wrote to memory of 1680	2368	hycd080401.exe	30
PID 2368 wrote to memory of 1680	2368	hycd080401.exe	30

C:\Users\Admin\AppData\Local\Temp\hycd080401.exe
"C:\Users\Admin\AppData\Local\Temp\hycd080401.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\is-7OJU5.tmp\is-HCU49.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7OJU5.tmp\is-HCU49.tmp" /SL4 $C0150 "C:\Users\Admin\AppData\Local\Temp\hycd080401.exe" 12063197 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1680

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\is-08ISA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-7OJU5.tmp\is-HCU49.tmp

Filesize
656KB

MD5
1cf8ec393a12c669da89314edbf7fb13

SHA1
45412ee63b25bab2a038d521189f56b6a8f3084b

SHA256
12408b26affb5b03e25a9a8e9c66097e2112185c82f0b8042eab96eb450d360d

SHA512
4f520c479b9ccd7260b0b4df409db8378ec50df475048450827bd69c1fc97ead2a1c646cf8d1f46c6754b904eae2b0c69852d84973ff0c47b3c34f8b704b439d

Download Submit
memory/1680-9-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1680-19-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2368-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2368-2-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/2368-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download