tinba | abbafc501dcd926f790c56f1ae95662e8067b17c52148ea5f26e2700a371247d

Analysis

max time kernel
146s
max time network
141s
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 17:51

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General

Target

abbafc501dcd926f790c56f1ae95662e8067b17c52148ea5f26e2700a371247d.exe
Size

88KB
MD5

73e03ec85bdfcf881c2e5c1a9fa4465c
SHA1

b5e942179d349321d03db0981b9124077769cb55
SHA256

abbafc501dcd926f790c56f1ae95662e8067b17c52148ea5f26e2700a371247d
SHA512

f428ffab10a9d5402653093d737fa490137893d9d8707beb32132cb8ead1063e0463b62500ee3d41eaf98325b1ffce7308be24479e2223cef6fbe45d34f0f335
SSDEEP

1536:b5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:b5fvp12UFKcD/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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C3575701 = "C:\\Users\\Admin\\AppData\\Roaming\\C3575701\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3788	4288	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	abbafc501dcd926f790c56f1ae95662e8067b17c52148ea5f26e2700a371247d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4288	winver.exe
4288	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3496	Explorer.EXE
Token: SeCreatePagefilePrivilege	3496	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4288	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 4288	3212	abbafc501dcd926f790c56f1ae95662e8067b17c52148ea5f26e2700a371247d.exe	84
PID 3212 wrote to memory of 4288	3212	abbafc501dcd926f790c56f1ae95662e8067b17c52148ea5f26e2700a371247d.exe	84
PID 3212 wrote to memory of 4288	3212	abbafc501dcd926f790c56f1ae95662e8067b17c52148ea5f26e2700a371247d.exe	84
PID 3212 wrote to memory of 4288	3212	abbafc501dcd926f790c56f1ae95662e8067b17c52148ea5f26e2700a371247d.exe	84
PID 4288 wrote to memory of 3496	4288	winver.exe	56
PID 4288 wrote to memory of 2924	4288	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2924

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3496
- C:\Users\Admin\AppData\Local\Temp\abbafc501dcd926f790c56f1ae95662e8067b17c52148ea5f26e2700a371247d.exe
  "C:\Users\Admin\AppData\Local\Temp\abbafc501dcd926f790c56f1ae95662e8067b17c52148ea5f26e2700a371247d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3212
- - 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:4288
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 352
      4⤵
      Program crash
      PID:3788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4288 -ip 4288
1⤵
PID:4700

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/2924-13-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/3212-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3212-3-0x0000000002310000-0x0000000002D10000-memory.dmp

Filesize
10.0MB

Download
memory/3212-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3212-9-0x0000000002310000-0x0000000002D10000-memory.dmp

Filesize
10.0MB

Download
memory/3496-1-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3496-2-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3496-6-0x00007FFE4E96D000-0x00007FFE4E96E000-memory.dmp

Filesize
4KB

Download
memory/4288-5-0x0000000077A12000-0x0000000077A13000-memory.dmp

Filesize
4KB

Download
memory/4288-4-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/4288-7-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4288-14-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download