tinba | 91c8426d6095c77d7f0950598820f1392c270d1327f393842a0d687d74c25986

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 01:46

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General

Target

91c8426d6095c77d7f0950598820f1392c270d1327f393842a0d687d74c25986.exe
Size

45KB
MD5

72a6d6a7121ac1dda95b14b8974f5842
SHA1

66bbe13758727791b8a219cdc6b7e2a1ea5b572d
SHA256

91c8426d6095c77d7f0950598820f1392c270d1327f393842a0d687d74c25986
SHA512

efb5ecb29fc8dfec4055d916864f794e7be31b15e5f7a147b9de2d07a86ec1002340036467bfd200002b71eb8a6d8e947a1de04094bb8330e6f92d5ff70b416c
SSDEEP

768:ghP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:csWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\8CB8AA18 = "C:\\Users\\Admin\\AppData\\Roaming\\8CB8AA18\\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/2888-0-0x0000000000400000-0x000000000041D000-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	91c8426d6095c77d7f0950598820f1392c270d1327f393842a0d687d74c25986.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe
780	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
780	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 780	2888	91c8426d6095c77d7f0950598820f1392c270d1327f393842a0d687d74c25986.exe	32
PID 2888 wrote to memory of 780	2888	91c8426d6095c77d7f0950598820f1392c270d1327f393842a0d687d74c25986.exe	32
PID 2888 wrote to memory of 780	2888	91c8426d6095c77d7f0950598820f1392c270d1327f393842a0d687d74c25986.exe	32
PID 2888 wrote to memory of 780	2888	91c8426d6095c77d7f0950598820f1392c270d1327f393842a0d687d74c25986.exe	32
PID 2888 wrote to memory of 780	2888	91c8426d6095c77d7f0950598820f1392c270d1327f393842a0d687d74c25986.exe	32
PID 780 wrote to memory of 1144	780	winver.exe	20
PID 780 wrote to memory of 1060	780	winver.exe	17
PID 780 wrote to memory of 1072	780	winver.exe	18
PID 780 wrote to memory of 1144	780	winver.exe	20
PID 780 wrote to memory of 1564	780	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1060

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1144
- C:\Users\Admin\AppData\Local\Temp\91c8426d6095c77d7f0950598820f1392c270d1327f393842a0d687d74c25986.exe
  "C:\Users\Admin\AppData\Local\Temp\91c8426d6095c77d7f0950598820f1392c270d1327f393842a0d687d74c25986.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2888
- - 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:780

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1564

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/780-7-0x0000000077AC0000-0x0000000077AC1000-memory.dmp

Filesize
4KB

Download
memory/780-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/780-11-0x00000000778C0000-0x0000000077A69000-memory.dmp

Filesize
1.7MB

Download
memory/780-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/780-9-0x0000000077ABF000-0x0000000077AC1000-memory.dmp

Filesize
8KB

Download
memory/780-8-0x0000000077ABF000-0x0000000077AC0000-memory.dmp

Filesize
4KB

Download
memory/1060-26-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1060-25-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1072-20-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1072-27-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1144-28-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1144-10-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1144-4-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1144-22-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/1144-3-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1144-2-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1564-29-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download
memory/1564-30-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1564-24-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download
memory/2888-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2888-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2888-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2888-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2888-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download