tinba | 1a8a9a9a7022810294835831cb5320d22cea92ea78a7cf6f68ea972cc25ab497

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 10:47

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General

Target

b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84.exe
Size

88KB
MD5

0538aabbafbdc672ee29999103d2e646
SHA1

8321c4c30f3b3a2f23ef37d2a6f800b7b498b9b8
SHA256

b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84
SHA512

2838fca01446d06fb4c8ddc7c3763da5487b3328a2fe44693f65797e44d1ea328f3f88d3ef394543ef75a1c491dad91542eb71bc5a672207ab94cd98d31e235d
SSDEEP

1536:x5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:x5fvp12UFKcD/6jwqWsN

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\C15C0658 = "C:\\Users\\Admin\\AppData\\Roaming\\C15C0658\\bin.exe"	winver.exe

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	b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2888	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2888	2776	b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84.exe	31
PID 2776 wrote to memory of 2888	2776	b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84.exe	31
PID 2776 wrote to memory of 2888	2776	b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84.exe	31
PID 2776 wrote to memory of 2888	2776	b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84.exe	31
PID 2776 wrote to memory of 2888	2776	b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84.exe	31
PID 2888 wrote to memory of 1300	2888	winver.exe	21
PID 2888 wrote to memory of 1160	2888	winver.exe	19
PID 2888 wrote to memory of 1252	2888	winver.exe	20
PID 2888 wrote to memory of 1300	2888	winver.exe	21
PID 2888 wrote to memory of 1660	2888	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1160

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1252

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1300
- C:\Users\Admin\AppData\Local\Temp\b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84.exe
  "C:\Users\Admin\AppData\Local\Temp\b291618cedab53022101f79dd14b6436af986d724c0515317aaabf8b29736a84.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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:2888

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/1160-24-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1160-23-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1252-28-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1252-18-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1300-1-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1300-2-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1300-3-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1300-27-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1300-9-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1300-20-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1660-25-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/1660-26-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1660-22-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2776-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2776-12-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2776-4-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2776-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2888-8-0x0000000077D0F000-0x0000000077D11000-memory.dmp

Filesize
8KB

Download
memory/2888-7-0x0000000077D0F000-0x0000000077D10000-memory.dmp

Filesize
4KB

Download
memory/2888-6-0x0000000077D10000-0x0000000077D11000-memory.dmp

Filesize
4KB

Download
memory/2888-10-0x0000000077B10000-0x0000000077CB9000-memory.dmp

Filesize
1.7MB

Download
memory/2888-5-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2888-29-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2888-34-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download