tinba | 7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04

Analysis

max time kernel
118s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/11/2024, 12:34

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General

Target
7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe
Size 110KB
Sample241118-prrm8a1qbl
SHA256 7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04
MD5 b00ab29a28c2fccd389511288344f8d3
SHA1 2907a54fc1ae0afe3dbbf2b9b1e91a25dd73c284
SHA512 18978f38ad4b03dd2b56da805fdd5f8290efbc828e23daa4b21587bcef9cfdc74c3365340bd0bacbecf59a9728fff8cfde243cc16a27b2419a421ccc464181a2
SSDEEP 1536:ZiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:ZiyvRmDLs/ZrwWJjAqGcRJ2hQ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D1A87ADE = "C:\\Users\\Admin\\AppData\\Roaming\\D1A87ADE\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4764-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3328	1144	WerFault.exe	84

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	7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1144	winver.exe
1144	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3580	Explorer.EXE
Token: SeCreatePagefilePrivilege	3580	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1144	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3580	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 1144	4764	7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe	84
PID 4764 wrote to memory of 1144	4764	7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe	84
PID 4764 wrote to memory of 1144	4764	7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe	84
PID 4764 wrote to memory of 1144	4764	7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe	84
PID 1144 wrote to memory of 3580	1144	winver.exe	56
PID 1144 wrote to memory of 2628	1144	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2628

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3580
- C:\Users\Admin\AppData\Local\Temp\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe
  "C:\Users\Admin\AppData\Local\Temp\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4764
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1144
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 352
      4⤵
      Program crash
      PID:3328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1144 -ip 1144
1⤵
PID:3560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

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

memory/1144-5-0x00000000777A2000-0x00000000777A3000-memory.dmp

Download

memory/1144-15-0x0000000000610000-0x0000000000616000-memory.dmp

Download

memory/1144-12-0x0000000000610000-0x0000000000616000-memory.dmp

Download

memory/1144-7-0x00007FFD54710000-0x00007FFD54905000-memory.dmp

Download

memory/2628-16-0x00000000006F0000-0x00000000006F6000-memory.dmp

Download

memory/2628-14-0x00000000006F0000-0x00000000006F6000-memory.dmp

Download

memory/3580-2-0x0000000000E00000-0x0000000000E06000-memory.dmp

Download

memory/3580-6-0x00007FFD547AD000-0x00007FFD547AE000-memory.dmp

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memory/3580-10-0x00007FFD54940000-0x00007FFD54941000-memory.dmp

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memory/3580-3-0x0000000000E00000-0x0000000000E06000-memory.dmp

Download

memory/4764-8-0x0000000000400000-0x000000000041E000-memory.dmp

Download

memory/4764-9-0x0000000002300000-0x0000000002D00000-memory.dmp

Download

memory/4764-4-0x0000000002300000-0x0000000002D00000-memory.dmp

Download

memory/4764-0-0x0000000000400000-0x000000000041E000-memory.dmp

Download

memory/4764-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Download