tinba | e0673ba5efd64713ef36423d9ddd945e5317f08c427db86b7335647e2e39feed

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 22:33

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General

Target

e0673ba5efd64713ef36423d9ddd945e5317f08c427db86b7335647e2e39feedN.exe
Size

110KB
MD5

5d206ca752a034436cf7f40bd7f54ad0
SHA1

d3adeacb5c997b59e1c28abd14c7d0f35e94d5c3
SHA256

e0673ba5efd64713ef36423d9ddd945e5317f08c427db86b7335647e2e39feed
SHA512

e171f27c3283e2d572bbbcac3ca4d975fde8a89719de451ce591f14cf86e63865d7898cdc70d02be4e482b0124379095667a3ad1859255ba62ee0826f176b0c5
SSDEEP

1536:oiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:oiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\403AF5F2 = "C:\\Users\\Admin\\AppData\\Roaming\\403AF5F2\\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/2792-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3296	460	WerFault.exe	83

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	e0673ba5efd64713ef36423d9ddd945e5317f08c427db86b7335647e2e39feedN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
460	winver.exe
460	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
460	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 460	2792	e0673ba5efd64713ef36423d9ddd945e5317f08c427db86b7335647e2e39feedN.exe	83
PID 2792 wrote to memory of 460	2792	e0673ba5efd64713ef36423d9ddd945e5317f08c427db86b7335647e2e39feedN.exe	83
PID 2792 wrote to memory of 460	2792	e0673ba5efd64713ef36423d9ddd945e5317f08c427db86b7335647e2e39feedN.exe	83
PID 2792 wrote to memory of 460	2792	e0673ba5efd64713ef36423d9ddd945e5317f08c427db86b7335647e2e39feedN.exe	83
PID 460 wrote to memory of 3424	460	winver.exe	56
PID 460 wrote to memory of 3028	460	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3028

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\e0673ba5efd64713ef36423d9ddd945e5317f08c427db86b7335647e2e39feedN.exe
  "C:\Users\Admin\AppData\Local\Temp\e0673ba5efd64713ef36423d9ddd945e5317f08c427db86b7335647e2e39feedN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2792
- - 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:460
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 460 -s 352
      4⤵
      Program crash
      PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 460 -ip 460
1⤵
PID:2140

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/460-5-0x0000000076F92000-0x0000000076F93000-memory.dmp

Filesize
4KB

Download
memory/460-15-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/460-12-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/460-7-0x00007FFD65870000-0x00007FFD65A65000-memory.dmp

Filesize
2.0MB

Download
memory/2792-10-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/2792-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/2792-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2792-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2792-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3028-14-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x00007FFD6590D000-0x00007FFD6590E000-memory.dmp

Filesize
4KB

Download
memory/3424-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3424-3-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download