tinba | 98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c

Analysis

max time kernel
139s
max time network
139s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 10:19

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General

Target

98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe
Size

34KB
MD5

15b30697d4380334a2e1c9533c015bd5
SHA1

56068fad7da3763ecc847141d35a85227bb94854
SHA256

98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c
SHA512

13e21ac8483b20f7d5f846e310188263be685e9e664662e996a5a5daf4c699833786aedb847c7e3a8bd008b5eb229da15fd9f7956f791f870c8f2335a3746cab
SSDEEP

768:Qp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:QpYoX58z1uirL98xMWnT0OQ9Ji

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\D40C4DC6 = "C:\\Users\\Admin\\AppData\\Roaming\\D40C4DC6\\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/2032-0-0x0000000000400000-0x0000000000417000-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	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2608	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 2032 wrote to memory of 2608	2032	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	32
PID 2032 wrote to memory of 2608	2032	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	32
PID 2032 wrote to memory of 2608	2032	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	32
PID 2032 wrote to memory of 2608	2032	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	32
PID 2032 wrote to memory of 2608	2032	98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe	32
PID 2608 wrote to memory of 1196	2608	winver.exe	21
PID 2608 wrote to memory of 1104	2608	winver.exe	19
PID 2608 wrote to memory of 1160	2608	winver.exe	20
PID 2608 wrote to memory of 1196	2608	winver.exe	21
PID 2608 wrote to memory of 1660	2608	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:1160

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\98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe
  "C:\Users\Admin\AppData\Local\Temp\98b00df39b7f7a7cfda8a02e50dd4d04e1cdd8edfabd111b0d38047d8fbbf15c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2032
- - 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:2608

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1660

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/1104-19-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1104-25-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1104-24-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1160-30-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1160-22-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/1196-10-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

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

Filesize
24KB

Download
memory/1196-26-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1196-29-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1660-32-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1660-31-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/1660-28-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2032-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2032-13-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2032-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2032-5-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2032-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2608-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2608-7-0x00000000777B0000-0x00000000777B1000-memory.dmp

Filesize
4KB

Download
memory/2608-8-0x00000000777AF000-0x00000000777B0000-memory.dmp

Filesize
4KB

Download
memory/2608-9-0x00000000777AF000-0x00000000777B1000-memory.dmp

Filesize
8KB

Download
memory/2608-11-0x00000000775B0000-0x0000000077759000-memory.dmp

Filesize
1.7MB

Download
memory/2608-33-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download