79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09/08/2024, 18:21

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General

Target
79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
Size 346KB
Sample240809-wzcbtsxerc
SHA256 79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa
MD5 3470b26b4f683b2c79794d5a71b5d681
SHA1 cb17633bfb7e935c0ff9b9aded16ec64cd45880b
SHA512 2c7cae1b505c98c07873f592087bbc864600a80be8f33069417e67d35ed5f221fcee96eea3b230c4c3b8a3096c8c99f11187977be31af537490b5757d4eb55c4
SSDEEP 6144:0Mm4CCe7fZXJPg3h/tZfbbFNKU7IUqIO/P8XbCo/32TIKaWEPgHT02ED1sgMo:0Mwd2Vpb5pyEXbb/m5t0WI
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 7 IoCs

pid	Process
3000	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3000	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3000	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3000	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3000	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3000	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
3000	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\aminah.ini	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\forebyggelsen.Ove10	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
File opened for modification	C:\Program Files (x86)\nonresidentiary\pachisis.ini	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.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
2724	3000	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	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2724	3000	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe	30
PID 3000 wrote to memory of 2724	3000	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe	30
PID 3000 wrote to memory of 2724	3000	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe	30
PID 3000 wrote to memory of 2724	3000	79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe	30

C:\Users\Admin\AppData\Local\Temp\79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe
"C:\Users\Admin\AppData\Local\Temp\79c5102316d9d99b55f51c53550a99b9ccef58f7386d79601a314029625c87aa.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 532
  2⤵
  - Program crash
  PID:2724

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\nsi5DE9.tmp\LangDLL.dll
Size 5KB
SHA256 4883cd4231744be2dca4433ef62824b7957a3c16be54f8526270402d9413ebe6
MD5 08de81a4584f5201086f57a7a93ed83b
SHA1 266a6ecc8fb7dca115e6915cd75e2595816841a8
SHA512 b72e7cea5ce1f4dc64e65a1f683a3ef9e3fa2dc45cf421f569eb461f1fdcc0caf4ff62a872e62b400579f567c6ff9fc3c2e6e020cdca89d96015502c803a09b9
SSDEEP 48:S46+/1TKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mLofjLl:zHuPbOBtWZBV8jAWiAJCdv2CmeL
MD5 SHA1 SHA512 SSDEEP

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System.dll

Path \Users\Admin\AppData\Local\Temp\nsi5DE9.tmp\System.dll
Size 12KB
SHA256 acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
MD5 6e55a6e7c3fdbd244042eb15cb1ec739
SHA1 070ea80e2192abc42f358d47b276990b5fa285a9
SHA512 2d504b74da38edc967e3859733a2a9cacd885db82f0ca69bfb66872e882707314c54238344d45945dc98bae85772aceef71a741787922d640627d3c8ae8f1c35
SSDEEP 192:MenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XBaIwL:M8+Qlt70Fj/lQRY/9VjjgL
MD5 SHA1 SHA512 SSDEEP