tinba | b413848a9f009cfca35513cfd7146ddc6e2b87ea5c264699e85b9b6468fde0fa

Analysis

max time kernel
110s
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
21-01-2025 07:28

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General

Target

b413848a9f009cfca35513cfd7146ddc6e2b87ea5c264699e85b9b6468fde0faN.exe
Size

88KB
MD5

fbeee82621a891cbe0ff8b6d5f22f040
SHA1

884de696bcf8f6b7db33abd862926c237091683a
SHA256

b413848a9f009cfca35513cfd7146ddc6e2b87ea5c264699e85b9b6468fde0fa
SHA512

0804e4d27c5d2b8bfa98599ae64c3f08e29e6cf8764da5dd2344d19455d3ed26c046a004ae78dda282f53f11efe8df6869c1c0ca8b4834d0d66440b106e55a46
SSDEEP

1536:vz44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:vzvokZR/KM/ysjwqWsN

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\893DC070 = "C:\\Users\\Admin\\AppData\\Roaming\\893DC070\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4460	3180	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	b413848a9f009cfca35513cfd7146ddc6e2b87ea5c264699e85b9b6468fde0faN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3180	winver.exe
3180	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3180	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 3180	2588	b413848a9f009cfca35513cfd7146ddc6e2b87ea5c264699e85b9b6468fde0faN.exe	83
PID 2588 wrote to memory of 3180	2588	b413848a9f009cfca35513cfd7146ddc6e2b87ea5c264699e85b9b6468fde0faN.exe	83
PID 2588 wrote to memory of 3180	2588	b413848a9f009cfca35513cfd7146ddc6e2b87ea5c264699e85b9b6468fde0faN.exe	83
PID 2588 wrote to memory of 3180	2588	b413848a9f009cfca35513cfd7146ddc6e2b87ea5c264699e85b9b6468fde0faN.exe	83
PID 3180 wrote to memory of 3416	3180	winver.exe	56
PID 3180 wrote to memory of 2820	3180	winver.exe	49

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2820

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3416
- C:\Users\Admin\AppData\Local\Temp\b413848a9f009cfca35513cfd7146ddc6e2b87ea5c264699e85b9b6468fde0faN.exe
  "C:\Users\Admin\AppData\Local\Temp\b413848a9f009cfca35513cfd7146ddc6e2b87ea5c264699e85b9b6468fde0faN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2588
- - 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:3180
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3180 -s 356
      4⤵
      Program crash
      PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3180 -ip 3180
1⤵
PID:2112

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/2588-0-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2588-3-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/2588-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2588-8-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/2820-12-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3180-4-0x00000000777E2000-0x00000000777E3000-memory.dmp

Filesize
4KB

Download
memory/3180-6-0x00007FF9F98B0000-0x00007FF9F9AA5000-memory.dmp

Filesize
2.0MB

Download
memory/3180-10-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

Filesize
24KB

Download
memory/3180-13-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

Filesize
24KB

Download
memory/3416-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/3416-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/3416-5-0x00007FF9F994D000-0x00007FF9F994E000-memory.dmp

Filesize
4KB

Download