tinba | 3c7c2e1c3613a610e2bafde449e9e6f6d7cfa9c8dc4cf195e0f4303721f0f9f1

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 05:35

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General

Target

3c7c2e1c3613a610e2bafde449e9e6f6d7cfa9c8dc4cf195e0f4303721f0f9f1.exe
Size

34KB
MD5

6eb9103146ab04033c2b4d245f2e5f72
SHA1

564f0f68e9073eb0e5657348257a8d639a70c04c
SHA256

3c7c2e1c3613a610e2bafde449e9e6f6d7cfa9c8dc4cf195e0f4303721f0f9f1
SHA512

8c96ec2d381506a27caac1ab805ed821fde431dfddad5fe29014c2f7989db56f52cf4ed7f79e433fd1cad5047751a1252a1259a95479956c21fbd9dd4a72ecfb
SSDEEP

768:ip22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:ipYoX58z1uirL98xMWnT0OQ9Ji

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\D2BE35A5 = "C:\\Users\\Admin\\AppData\\Roaming\\D2BE35A5\\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/2756-0-0x0000000000400000-0x0000000000417000-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	3c7c2e1c3613a610e2bafde449e9e6f6d7cfa9c8dc4cf195e0f4303721f0f9f1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2832	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2832	2756	3c7c2e1c3613a610e2bafde449e9e6f6d7cfa9c8dc4cf195e0f4303721f0f9f1.exe	31
PID 2756 wrote to memory of 2832	2756	3c7c2e1c3613a610e2bafde449e9e6f6d7cfa9c8dc4cf195e0f4303721f0f9f1.exe	31
PID 2756 wrote to memory of 2832	2756	3c7c2e1c3613a610e2bafde449e9e6f6d7cfa9c8dc4cf195e0f4303721f0f9f1.exe	31
PID 2756 wrote to memory of 2832	2756	3c7c2e1c3613a610e2bafde449e9e6f6d7cfa9c8dc4cf195e0f4303721f0f9f1.exe	31
PID 2756 wrote to memory of 2832	2756	3c7c2e1c3613a610e2bafde449e9e6f6d7cfa9c8dc4cf195e0f4303721f0f9f1.exe	31
PID 2832 wrote to memory of 1196	2832	winver.exe	21
PID 2832 wrote to memory of 1068	2832	winver.exe	18
PID 2832 wrote to memory of 1156	2832	winver.exe	20
PID 2832 wrote to memory of 1196	2832	winver.exe	21
PID 2832 wrote to memory of 1192	2832	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\3c7c2e1c3613a610e2bafde449e9e6f6d7cfa9c8dc4cf195e0f4303721f0f9f1.exe
  "C:\Users\Admin\AppData\Local\Temp\3c7c2e1c3613a610e2bafde449e9e6f6d7cfa9c8dc4cf195e0f4303721f0f9f1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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:2832

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1192

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/1068-25-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1068-26-0x0000000077CD1000-0x0000000077CD2000-memory.dmp

Filesize
4KB

Download
memory/1156-28-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1156-19-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1192-30-0x0000000077CD1000-0x0000000077CD2000-memory.dmp

Filesize
4KB

Download
memory/1192-24-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/1192-29-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077CD1000-0x0000000077CD2000-memory.dmp

Filesize
4KB

Download
memory/1196-21-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/2756-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2756-13-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2756-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2756-5-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2756-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2832-11-0x0000000077C80000-0x0000000077E29000-memory.dmp

Filesize
1.7MB

Download
memory/2832-9-0x0000000077E7F000-0x0000000077E81000-memory.dmp

Filesize
8KB

Download
memory/2832-8-0x0000000077E7F000-0x0000000077E80000-memory.dmp

Filesize
4KB

Download
memory/2832-7-0x0000000077E80000-0x0000000077E81000-memory.dmp

Filesize
4KB

Download
memory/2832-6-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/2832-31-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download