13dcc8e21e7ce1aa8ffc421da3e790ae3dcfbe1451f2585f92853e1069f99b9e

Resubmissions

10/08/2024, 02:59

240810-dgzejaxamf9

10/08/2024, 02:46

240810-c9bcqswfpa9

10/08/2024, 02:40

240810-c58gnssdlj9

Analysis

max time kernel
34s
max time network
33s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 02:40

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General

Target
build.exe
Size 515KB
Sample240810-c58gnssdlj
SHA256 645df1d69ea713e9f34698e80a0dd4963e7915729658588ba4b0765ffa656536
MD5 13e64d45566e74747d00318830509a41
SHA1 262a1c1937774380ae8777f8c4c8e267465aaa7c
SHA512 2b37297df7fcc059a4b9e68ea058f35133f4c1b10d6c843ecd4222c6112a91372890cbb9d3df344b5e9dbe9e130312d23e2f39fbe241076a5354b770b4a6dec1
SSDEEP 12288:4nYp3HGxNCguP8Yeeu+mtGH1nydv1SIND+kEklEsde9qF3HrJIMiijE/k80bVhIM:4Yp2xogAFbuKge
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

credential_access discovery stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Loads dropped DLL 1 IoCs

pid	Process
1448	build.exe

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
21	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1448 set thread context of 2036	1448	build.exe	85

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	build.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 2036	1448	build.exe	85
PID 1448 wrote to memory of 2036	1448	build.exe	85
PID 1448 wrote to memory of 2036	1448	build.exe	85
PID 1448 wrote to memory of 2036	1448	build.exe	85
PID 1448 wrote to memory of 2036	1448	build.exe	85
PID 1448 wrote to memory of 2036	1448	build.exe	85
PID 1448 wrote to memory of 2036	1448	build.exe	85
PID 1448 wrote to memory of 2036	1448	build.exe	85

C:\Users\Admin\AppData\Local\Temp\build.exe
"C:\Users\Admin\AppData\Local\Temp\build.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

d3d9x.dll

Path C:\Users\Admin\AppData\Roaming\d3d9x.dll
Size 370KB
SHA256 da4ca61b3fb9698b00d9e63f4228e4cfe3f9464a83c36c040561120029690cf5
MD5 aea198c2d08edc876d3c49e8cfd2e1e7
SHA1 f7e7e567a0723d29b60635b7a65635c64d985ef6
SHA512 3e58648f3d945b8eb1b713d4bd91fa8d2c71854c19aec60e238342c4963ab8d703b7c31b696f878adb6cae1a0cea5ad2a35bba68d9c1d3b130979ed05a4ab606
SSDEEP 6144:rYLjkEI7yYDK2jIg+mh6pVPP8bNM0uswaS4:mkE2P+2jI06rYMhswaS4
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1448-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

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memory/1448-1-0x0000000000480000-0x0000000000508000-memory.dmp

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memory/1448-10-0x0000000074E80000-0x0000000075630000-memory.dmp

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memory/1448-18-0x0000000074E80000-0x0000000075630000-memory.dmp

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memory/2036-8-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/2036-11-0x00000000056B0000-0x0000000005C54000-memory.dmp

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memory/2036-12-0x0000000074E80000-0x0000000075630000-memory.dmp

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memory/2036-13-0x0000000074E80000-0x0000000075630000-memory.dmp

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memory/2036-14-0x0000000006270000-0x0000000006302000-memory.dmp

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memory/2036-15-0x0000000006100000-0x0000000006166000-memory.dmp

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memory/2036-17-0x0000000074E80000-0x0000000075630000-memory.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads