tinba | 33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 08:11

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General

Target

33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe
Size

225KB
MD5

046d0a2989cb2da5bd7125aea2a28606
SHA1

fcfbe1409936610d8cb5e14b446dd0f13f100e7d
SHA256

33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95
SHA512

888cb31f876143132073f834dd593ee25deb2ff767e856adbe214234af6d05e26fbf7070caf91b4748052909b26186148492d64d6a431d7d952aa74fd4c2d4fa
SSDEEP

6144:AA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:AATuTAnKGwUAW3ycQqgv

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\D3EC4584 = "C:\\Users\\Admin\\AppData\\Roaming\\D3EC4584\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2732	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2732	2616	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe	31
PID 2616 wrote to memory of 2732	2616	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe	31
PID 2616 wrote to memory of 2732	2616	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe	31
PID 2616 wrote to memory of 2732	2616	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe	31
PID 2616 wrote to memory of 2732	2616	33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe	31
PID 2732 wrote to memory of 1220	2732	winver.exe	21
PID 2732 wrote to memory of 1100	2732	winver.exe	19
PID 2732 wrote to memory of 1172	2732	winver.exe	20
PID 2732 wrote to memory of 1220	2732	winver.exe	21
PID 2732 wrote to memory of 632	2732	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe
  "C:\Users\Admin\AppData\Local\Temp\33e0215f461121c0171260611d1ba6450d58fad48f23f297691de739bb1d9d95.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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:2732

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:632

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/632-20-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/632-26-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1100-24-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1100-11-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1172-14-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1220-3-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1220-17-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1220-1-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1220-25-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1220-6-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/2616-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2732-23-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2732-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2732-29-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download