f5425a67ecaa6550fba75f9033d83c37f082382f1387c5eea1e9b342f715056c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 23:27

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General

Target
MSK332871.exe
Size 461KB
Sample240813-3fxa8a1eng
SHA256 51b09071a66f4f8d1da32b279026b0f482b2ef176b288b2c87b65fbadce4ed43
MD5 690a2e0906e6cedf5a4e23b13e661387
SHA1 a9c7f100eda3cd8f6fb7563187c3d5d9ce625318
SHA512 53eaf4f857fc749a1c1d4d7af8baed2059dc92ac4c6869fc608ed0181b6eab285d7927ebd2a487f78de7b5b96948af7a132e859bad04aa3a26f0710088edc8c4
SSDEEP 12288:AYuTSkr4ZmNidYqsMpiJrCBAiuEqS4bySmb+JB2HqovnCL:AY6T4ZDhtBz+SOyIJB2fCL
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 7 IoCs

pid	Process
2300	MSK332871.exe
2300	MSK332871.exe
2300	MSK332871.exe
2300	MSK332871.exe
2300	MSK332871.exe
2300	MSK332871.exe
2300	MSK332871.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
2600	2300	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	MSK332871.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2600	2300	MSK332871.exe	30
PID 2300 wrote to memory of 2600	2300	MSK332871.exe	30
PID 2300 wrote to memory of 2600	2300	MSK332871.exe	30
PID 2300 wrote to memory of 2600	2300	MSK332871.exe	30

C:\Users\Admin\AppData\Local\Temp\MSK332871.exe
"C:\Users\Admin\AppData\Local\Temp\MSK332871.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 532
  2⤵
  - Program crash
  PID:2600

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

LangDLL.dll

Path \Users\Admin\AppData\Local\Temp\nstF98D.tmp\LangDLL.dll
Size 5KB
SHA256 18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
MD5 68b287f4067ba013e34a1339afdb1ea8
SHA1 45ad585b3cc8e5a6af7b68f5d8269c97992130b3
SHA512 06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb
SSDEEP 48:S46+/nTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mFofjLl:zFuPbOBtWZBV8jAWiAJCdv2Cm0L
MD5 SHA1 SHA512 SSDEEP

Submit Download

System.dll

Path \Users\Admin\AppData\Local\Temp\nstF98D.tmp\System.dll
Size 12KB
SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 cff85c549d536f651d4fb8387f1976f2
SHA1 d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA512 531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
SSDEEP 192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
MD5 SHA1 SHA512 SSDEEP