tinba | 2bf898ce7abe16882eac3555e76cdedca62bbfbd3d9870010eaf6258621200b7

Analysis

max time kernel
118s
max time network
116s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/01/2025, 16:39

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General

Target

2bf898ce7abe16882eac3555e76cdedca62bbfbd3d9870010eaf6258621200b7N.exe
Size

45KB
MD5

b7502ae1bf742ff6356e6ff4fcced270
SHA1

6e07cfbd80f6055172caf1527bddf14d6cd482fe
SHA256

2bf898ce7abe16882eac3555e76cdedca62bbfbd3d9870010eaf6258621200b7
SHA512

f0b5a79063c1d0df7f23548fc8e6a94320f1a8fd21a7d15e15eba2850c04eb15b4d8acd5df03d52ce97a7afcc09c4ba6eaeed6aec49e422b21b837711cfdc279
SSDEEP

768:fhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:JsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\5D41E12C = "C:\\Users\\Admin\\AppData\\Roaming\\5D41E12C\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1836-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	2bf898ce7abe16882eac3555e76cdedca62bbfbd3d9870010eaf6258621200b7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe
1672	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1672	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 1672	1836	2bf898ce7abe16882eac3555e76cdedca62bbfbd3d9870010eaf6258621200b7N.exe	31
PID 1836 wrote to memory of 1672	1836	2bf898ce7abe16882eac3555e76cdedca62bbfbd3d9870010eaf6258621200b7N.exe	31
PID 1836 wrote to memory of 1672	1836	2bf898ce7abe16882eac3555e76cdedca62bbfbd3d9870010eaf6258621200b7N.exe	31
PID 1836 wrote to memory of 1672	1836	2bf898ce7abe16882eac3555e76cdedca62bbfbd3d9870010eaf6258621200b7N.exe	31
PID 1836 wrote to memory of 1672	1836	2bf898ce7abe16882eac3555e76cdedca62bbfbd3d9870010eaf6258621200b7N.exe	31
PID 1672 wrote to memory of 1284	1672	winver.exe	21
PID 1672 wrote to memory of 1116	1672	winver.exe	19
PID 1672 wrote to memory of 1188	1672	winver.exe	20
PID 1672 wrote to memory of 1284	1672	winver.exe	21
PID 1672 wrote to memory of 916	1672	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1188

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1284
- C:\Users\Admin\AppData\Local\Temp\2bf898ce7abe16882eac3555e76cdedca62bbfbd3d9870010eaf6258621200b7N.exe
  "C:\Users\Admin\AppData\Local\Temp\2bf898ce7abe16882eac3555e76cdedca62bbfbd3d9870010eaf6258621200b7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1836
- - 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:1672

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:916

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/916-24-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/916-30-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/916-29-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/1116-25-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1188-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1188-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1284-22-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1284-28-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1284-4-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1284-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1284-10-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/1284-2-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1672-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1672-11-0x0000000077BC0000-0x0000000077D69000-memory.dmp

Filesize
1.7MB

Download
memory/1672-9-0x0000000077DBF000-0x0000000077DC1000-memory.dmp

Filesize
8KB

Download
memory/1672-8-0x0000000077DBF000-0x0000000077DC0000-memory.dmp

Filesize
4KB

Download
memory/1672-7-0x0000000077DC0000-0x0000000077DC1000-memory.dmp

Filesize
4KB

Download
memory/1672-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1836-13-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/1836-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1836-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1836-5-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/1836-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download