tinba | e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72

Analysis

max time kernel
105s
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
23-11-2024 11:07

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General

Target

e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe
Size

88KB
MD5

f9184beb307d15d938b1ac7a199db823
SHA1

2e80eb9d70aa5572d9b191aa4f91613cf75a88d3
SHA256

e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72
SHA512

f196a028cb390f416ca8a6305106cb9e816c255d07c38651fe77381cba60a858e38fcd75fe0e6f881532c4ba7561064e21fee683d89d51caf7897f1bae9df246
SSDEEP

1536:T5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:T5fvp12UFKcD/6jwqWsNI

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7466D721 = "C:\\Users\\Admin\\AppData\\Roaming\\7466D721\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1572	3992	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	e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3992	winver.exe
3992	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3992	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 3992	228	e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe	84
PID 228 wrote to memory of 3992	228	e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe	84
PID 228 wrote to memory of 3992	228	e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe	84
PID 228 wrote to memory of 3992	228	e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe	84
PID 3992 wrote to memory of 3544	3992	winver.exe	56
PID 3992 wrote to memory of 2588	3992	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2588

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe
  "C:\Users\Admin\AppData\Local\Temp\e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:228
- - 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:3992
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 352
      4⤵
      Program crash
      PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3992 -ip 3992
1⤵
PID:436

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/228-3-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/228-0-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/228-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/228-8-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/2588-12-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/2588-15-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/2588-13-0x00007FFC36A2D000-0x00007FFC36A2E000-memory.dmp

Filesize
4KB

Download
memory/3544-2-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/3544-1-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/3544-5-0x00007FFC36A2D000-0x00007FFC36A2E000-memory.dmp

Filesize
4KB

Download
memory/3992-6-0x00007FFC36990000-0x00007FFC36B85000-memory.dmp

Filesize
2.0MB

Download
memory/3992-10-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3992-14-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3992-4-0x0000000077CD2000-0x0000000077CD3000-memory.dmp

Filesize
4KB

Download