73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 14:41

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General

Target

73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5.exe
Size

634KB
MD5

9fb87b191acd735806406f58b4b75642
SHA1

36720914dea91065657aa385b9c6b53d797c6a04
SHA256

73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5
SHA512

265be0285bdb176516d4fe620b2556defa6a5e02cf63b92647bd5b8445b2147b22ac05b2149a1201d771f904462c3f3290d62daa0c899774bd1599af67cbe644
SSDEEP

12288:2ZPsXk8zK2RKIkMuy3SLS2bKuWdTukT5COHbZrCsTx6I+0e:CWhRJkM7SxWYuC4bDTxX+0e

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2884	73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5.exe
2884	73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\gnarrs\tacitness.Spo	73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2488	2884	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2488	2884	73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5.exe	30
PID 2884 wrote to memory of 2488	2884	73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5.exe	30
PID 2884 wrote to memory of 2488	2884	73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5.exe	30
PID 2884 wrote to memory of 2488	2884	73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5.exe	30

C:\Users\Admin\AppData\Local\Temp\73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5.exe
"C:\Users\Admin\AppData\Local\Temp\73185ca722aaf23e411b426b81a98252eb2b01f6a627a2f23f39fa720b627ef5.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 496
  2⤵
  - Program crash
  PID:2488

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\nsd6826.tmp\System.dll

Filesize
12KB

MD5
8cf2ac271d7679b1d68eefc1ae0c5618

SHA1
7cc1caaa747ee16dc894a600a4256f64fa65a9b8

SHA256
6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba

SHA512
ce828fb9ecd7655cc4c974f78f209d3326ba71ced60171a45a437fc3fff3bd0d69a0997adaca29265c7b5419bdea2b17f8cc8ceae1b8ce6b22b7ed9120bb5ad3

Download Submit
memory/2884-14-0x0000000002E10000-0x000000000424D000-memory.dmp

Filesize
20.2MB

Download
memory/2884-15-0x0000000002E10000-0x000000000424D000-memory.dmp

Filesize
20.2MB

Download