tinba | 71df8712dcffb97924958e8021d1877f94890e4817961ec74b79c20decccbf77

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-10-2024 01:22

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General

Target

71df8712dcffb97924958e8021d1877f94890e4817961ec74b79c20decccbf77N.exe
Size

45KB
MD5

d5e6f80349e5bf68296fe4d4ec3259a0
SHA1

54020e6fceab645f0be0c3d6a4bad3ac6d9e1da4
SHA256

71df8712dcffb97924958e8021d1877f94890e4817961ec74b79c20decccbf77
SHA512

dc872764e0d424cc9d80d43a6e58e3a1a9bd122f9e91f1eea0af08f1a7301be4e1f815d34f6c815c4fc213d11d7675255e93cfa54cf0bac9897bf6311fd32a7f
SSDEEP

768:4hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:EsWE9N5dFu53dsniQaB/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

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\C1582305 = "C:\\Users\\Admin\\AppData\\Roaming\\C1582305\\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/1644-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	71df8712dcffb97924958e8021d1877f94890e4817961ec74b79c20decccbf77N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe
2576	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2576	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 2576	1644	71df8712dcffb97924958e8021d1877f94890e4817961ec74b79c20decccbf77N.exe	31
PID 1644 wrote to memory of 2576	1644	71df8712dcffb97924958e8021d1877f94890e4817961ec74b79c20decccbf77N.exe	31
PID 1644 wrote to memory of 2576	1644	71df8712dcffb97924958e8021d1877f94890e4817961ec74b79c20decccbf77N.exe	31
PID 1644 wrote to memory of 2576	1644	71df8712dcffb97924958e8021d1877f94890e4817961ec74b79c20decccbf77N.exe	31
PID 1644 wrote to memory of 2576	1644	71df8712dcffb97924958e8021d1877f94890e4817961ec74b79c20decccbf77N.exe	31
PID 2576 wrote to memory of 1200	2576	winver.exe	21
PID 2576 wrote to memory of 1120	2576	winver.exe	19
PID 2576 wrote to memory of 1168	2576	winver.exe	20
PID 2576 wrote to memory of 1200	2576	winver.exe	21
PID 2576 wrote to memory of 1500	2576	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\71df8712dcffb97924958e8021d1877f94890e4817961ec74b79c20decccbf77N.exe
  "C:\Users\Admin\AppData\Local\Temp\71df8712dcffb97924958e8021d1877f94890e4817961ec74b79c20decccbf77N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1644
- - 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:2576

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1500

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/1120-26-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1120-28-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1120-27-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1168-32-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1200-25-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

Filesize
24KB

Download
memory/1200-22-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1200-4-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1500-24-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1500-30-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1500-33-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1500-29-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1644-13-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/1644-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1644-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1644-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1644-5-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2576-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2576-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2576-7-0x00000000773D0000-0x00000000773D1000-memory.dmp

Filesize
4KB

Download
memory/2576-8-0x00000000773CF000-0x00000000773D0000-memory.dmp

Filesize
4KB

Download
memory/2576-9-0x00000000773CF000-0x00000000773D1000-memory.dmp

Filesize
8KB

Download
memory/2576-11-0x00000000771D0000-0x0000000077379000-memory.dmp

Filesize
1.7MB

Download