tinba | 6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-11-2024 23:08

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General

Target

6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe
Size

34KB
MD5

bfdf38d021bd7cbb00a69ca27e20d510
SHA1

34796c363ccbb7286c3394570b736dbfcbe6ee54
SHA256

6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95e
SHA512

2b714ce23a326cbbcf80832e0e1f70e6e625ebaaa6e8138462b17b98f4caba319d86c12f7fc3a613b702fd2d51d579f03beff9a14f741970f5ea7cad4add2da5
SSDEEP

768:Bp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JW:BpYoX58z1uirL98xMWnT0OQ9JW

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\3C467BA4 = "C:\\Users\\Admin\\AppData\\Roaming\\3C467BA4\\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/292-0-0x0000000000400000-0x0000000000417000-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	6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2000	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 292 wrote to memory of 2000	292	6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe	31
PID 292 wrote to memory of 2000	292	6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe	31
PID 292 wrote to memory of 2000	292	6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe	31
PID 292 wrote to memory of 2000	292	6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe	31
PID 292 wrote to memory of 2000	292	6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe	31
PID 2000 wrote to memory of 1196	2000	winver.exe	21
PID 2000 wrote to memory of 1104	2000	winver.exe	19
PID 2000 wrote to memory of 1164	2000	winver.exe	20
PID 2000 wrote to memory of 1196	2000	winver.exe	21
PID 2000 wrote to memory of 1672	2000	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe
  "C:\Users\Admin\AppData\Local\Temp\6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:292
- - 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:2000

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1672

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/292-5-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/292-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/292-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/292-13-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/292-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1104-28-0x0000000077361000-0x0000000077362000-memory.dmp

Filesize
4KB

Download
memory/1104-27-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1164-31-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1164-21-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1196-23-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1196-32-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077361000-0x0000000077362000-memory.dmp

Filesize
4KB

Download
memory/1672-30-0x0000000077361000-0x0000000077362000-memory.dmp

Filesize
4KB

Download
memory/1672-26-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/1672-29-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2000-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2000-9-0x000000007750F000-0x0000000077511000-memory.dmp

Filesize
8KB

Download
memory/2000-8-0x000000007750F000-0x0000000077510000-memory.dmp

Filesize
4KB

Download
memory/2000-7-0x0000000077510000-0x0000000077511000-memory.dmp

Filesize
4KB

Download
memory/2000-11-0x0000000077310000-0x00000000774B9000-memory.dmp

Filesize
1.7MB

Download
memory/2000-33-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2000-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download