tinba | 881779ff82d4a843f5a72f67a7e089dc8d4c28ac26e5652996d927092be75418

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
02-10-2024 21:24

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General

Target

881779ff82d4a843f5a72f67a7e089dc8d4c28ac26e5652996d927092be75418N.exe
Size

34KB
MD5

af6d670c43167b010dd82f44cf76c310
SHA1

f9ef679565db948661a943fe37ff416079319a34
SHA256

881779ff82d4a843f5a72f67a7e089dc8d4c28ac26e5652996d927092be75418
SHA512

d0f7b2d9a8ad2ce3c0f060cf841d77b131d8bae574faf3f51a519ac87b174c49ddd3fdcb39bb41f4cc42d6268d01359e2a8edd2049484686ee6b85a3970c26ef
SSDEEP

768:bp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:bpYoX58z1uirL98xMWnT0OQ9J2

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

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\380DC60B = "C:\\Users\\Admin\\AppData\\Roaming\\380DC60B\\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/2172-0-0x0000000000400000-0x0000000000417000-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	881779ff82d4a843f5a72f67a7e089dc8d4c28ac26e5652996d927092be75418N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2192	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2192	2172	881779ff82d4a843f5a72f67a7e089dc8d4c28ac26e5652996d927092be75418N.exe	32
PID 2172 wrote to memory of 2192	2172	881779ff82d4a843f5a72f67a7e089dc8d4c28ac26e5652996d927092be75418N.exe	32
PID 2172 wrote to memory of 2192	2172	881779ff82d4a843f5a72f67a7e089dc8d4c28ac26e5652996d927092be75418N.exe	32
PID 2172 wrote to memory of 2192	2172	881779ff82d4a843f5a72f67a7e089dc8d4c28ac26e5652996d927092be75418N.exe	32
PID 2172 wrote to memory of 2192	2172	881779ff82d4a843f5a72f67a7e089dc8d4c28ac26e5652996d927092be75418N.exe	32
PID 2192 wrote to memory of 1196	2192	winver.exe	21
PID 2192 wrote to memory of 1108	2192	winver.exe	19
PID 2192 wrote to memory of 1172	2192	winver.exe	20
PID 2192 wrote to memory of 1196	2192	winver.exe	21
PID 2192 wrote to memory of 1636	2192	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\881779ff82d4a843f5a72f67a7e089dc8d4c28ac26e5652996d927092be75418N.exe
  "C:\Users\Admin\AppData\Local\Temp\881779ff82d4a843f5a72f67a7e089dc8d4c28ac26e5652996d927092be75418N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2172
- - 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:2192

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1636

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/1108-25-0x0000000077AF1000-0x0000000077AF2000-memory.dmp

Filesize
4KB

Download
memory/1108-24-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/1172-21-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1172-31-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1196-23-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077AF1000-0x0000000077AF2000-memory.dmp

Filesize
4KB

Download
memory/1196-2-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1636-32-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1636-33-0x0000000077AF1000-0x0000000077AF2000-memory.dmp

Filesize
4KB

Download
memory/2172-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2172-5-0x0000000001BD0000-0x00000000025D0000-memory.dmp

Filesize
10.0MB

Download
memory/2172-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2172-13-0x0000000001BD0000-0x00000000025D0000-memory.dmp

Filesize
10.0MB

Download
memory/2172-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2192-6-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2192-26-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2192-7-0x0000000077CA0000-0x0000000077CA1000-memory.dmp

Filesize
4KB

Download
memory/2192-8-0x0000000077C9F000-0x0000000077CA0000-memory.dmp

Filesize
4KB

Download
memory/2192-9-0x0000000077C9F000-0x0000000077CA1000-memory.dmp

Filesize
8KB

Download
memory/2192-11-0x0000000077AA0000-0x0000000077C49000-memory.dmp

Filesize
1.7MB

Download