b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b

General

Target

b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe
Size

381KB
MD5

2dde346c760f3dc21f9742c7b9914d89
SHA1

e36bdeb3ff2fbaf4b13b67e154947fb9fca7b1c0
SHA256

b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b
SHA512

5ab10b9382f39cb9e1d8887800b8b35b3a4feb63ec967d79fc998b90609f2fa3beab63d2e8475b310b222612338d4cef23d5e34fe7ed078d8d0ef55f8112c769
SSDEEP

6144:AdN+a5e92JH8FNF65tMdAxJPmSF9J6Tk7nRsCi93DZmKcbVrmV7ompFuVatRfp:AbeCYT65qSfsThnvZcZC9ompw2z

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/936-56-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral1/memory/936-59-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral1/memory/936-61-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral1/memory/936-62-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral1/memory/936-63-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral1/memory/936-65-0x0000000000400000-0x0000000000499000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\BMP = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe /cs:1 "	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1063

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Eset\Nod\	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1744 set thread context of 936	1744	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe	28

Kills process with taskkill 1 IoCs

evasion

pid	Process
268	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	268	taskkill.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 936	1744	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe	28
PID 1744 wrote to memory of 936	1744	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe	28
PID 1744 wrote to memory of 936	1744	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe	28
PID 1744 wrote to memory of 936	1744	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe	28
PID 1744 wrote to memory of 936	1744	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe	28
PID 1744 wrote to memory of 936	1744	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe	28
PID 936 wrote to memory of 268	936	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe	29
PID 936 wrote to memory of 268	936	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe	29
PID 936 wrote to memory of 268	936	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe	29
PID 936 wrote to memory of 268	936	b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe	29

C:\Users\Admin\AppData\Local\Temp\b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe
"C:\Users\Admin\AppData\Local\Temp\b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Users\Admin\AppData\Local\Temp\b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe
  "C:\Users\Admin\AppData\Local\Temp\b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe" "C:\Users\Admin\AppData\Local\Temp\b57e408d34d75db88bb680b0c8e5ad23de8b868cac0ce0a9f2fe34867f19569b.exe"
  2⤵
  - Adds Run key to start application
  - Checks for any installed AV software in registry
  - Suspicious use of WriteProcessMemory
  PID:936
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Security Software Discovery

1

T1063

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/936-54-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/936-56-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/936-59-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/936-60-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download
memory/936-61-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/936-62-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/936-63-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/936-65-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download

Analysis

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