tinba | 1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926

Analysis

max time kernel
118s
max time network
117s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-11-2024 09:17

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General

Target

1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe
Size

110KB
MD5

c9aba1e525a15ea56607390196d371ea
SHA1

29b81fa3ff955cc760e6d0faa34c85225e379128
SHA256

1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926
SHA512

1c6ff7d3fe31373e8b8642cf6a125ea593b9c4839ee02ad860cecdbf6c5ac1313e2a2fadb658535e99faa6ff4d9d90dcbc9f4478f79cb16f2d061addc8c03185
SSDEEP

1536:giLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:giyvRmDLs/ZrwWJjAqGcRJ2hQ

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\D8557E19 = "C:\\Users\\Admin\\AppData\\Roaming\\D8557E19\\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/532-0-0x0000000000400000-0x000000000041E000-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	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1900	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 1900	532	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	32
PID 532 wrote to memory of 1900	532	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	32
PID 532 wrote to memory of 1900	532	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	32
PID 532 wrote to memory of 1900	532	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	32
PID 532 wrote to memory of 1900	532	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	32
PID 1900 wrote to memory of 1156	1900	winver.exe	21
PID 1900 wrote to memory of 1048	1900	winver.exe	17
PID 1900 wrote to memory of 1096	1900	winver.exe	19
PID 1900 wrote to memory of 1156	1900	winver.exe	21
PID 1900 wrote to memory of 1016	1900	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1096

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1156
- C:\Users\Admin\AppData\Local\Temp\1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe
  "C:\Users\Admin\AppData\Local\Temp\1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:532
- - 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:1900

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1016

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/532-5-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/532-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/532-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/532-14-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/532-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1016-32-0x00000000022E0000-0x00000000022E6000-memory.dmp

Filesize
24KB

Download
memory/1016-33-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1016-26-0x00000000022E0000-0x00000000022E6000-memory.dmp

Filesize
24KB

Download
memory/1048-27-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/1048-28-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1096-22-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1096-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1156-4-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1156-3-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1156-2-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1156-24-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1156-30-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1156-10-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1900-8-0x00000000774DF000-0x00000000774E0000-memory.dmp

Filesize
4KB

Download
memory/1900-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1900-9-0x00000000774DF000-0x00000000774E1000-memory.dmp

Filesize
8KB

Download
memory/1900-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1900-7-0x00000000774E0000-0x00000000774E1000-memory.dmp

Filesize
4KB

Download
memory/1900-11-0x00000000772E0000-0x0000000077489000-memory.dmp

Filesize
1.7MB

Download