tinba | 52a4b2ebdf27c8847ee73696fb7bd893ecdff3e861f196c34cb5d78b5caa1e30

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 04:31

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General

Target

52a4b2ebdf27c8847ee73696fb7bd893ecdff3e861f196c34cb5d78b5caa1e30N.exe
Size

110KB
MD5

7aa183fd3022abfafcb4e3528ba75750
SHA1

428a528fe721af5487f7f9c791a2bdc58451b529
SHA256

52a4b2ebdf27c8847ee73696fb7bd893ecdff3e861f196c34cb5d78b5caa1e30
SHA512

c129b37812d2c5325e5f25225812da521c01bca785033f8284d76e084c55393f86be721f804364a8b159b19a80bc32534f55fe4dda8120fed859b9ff340d5452
SSDEEP

1536:uiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:uiyvRmDLs/ZrwWJjAqGcRJ2hg

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

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\77F6033A = "C:\\Users\\Admin\\AppData\\Roaming\\77F6033A\\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/1724-0-0x0000000000400000-0x000000000041E000-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	52a4b2ebdf27c8847ee73696fb7bd893ecdff3e861f196c34cb5d78b5caa1e30N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2356	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2356	1724	52a4b2ebdf27c8847ee73696fb7bd893ecdff3e861f196c34cb5d78b5caa1e30N.exe	31
PID 1724 wrote to memory of 2356	1724	52a4b2ebdf27c8847ee73696fb7bd893ecdff3e861f196c34cb5d78b5caa1e30N.exe	31
PID 1724 wrote to memory of 2356	1724	52a4b2ebdf27c8847ee73696fb7bd893ecdff3e861f196c34cb5d78b5caa1e30N.exe	31
PID 1724 wrote to memory of 2356	1724	52a4b2ebdf27c8847ee73696fb7bd893ecdff3e861f196c34cb5d78b5caa1e30N.exe	31
PID 1724 wrote to memory of 2356	1724	52a4b2ebdf27c8847ee73696fb7bd893ecdff3e861f196c34cb5d78b5caa1e30N.exe	31
PID 2356 wrote to memory of 1212	2356	winver.exe	21
PID 2356 wrote to memory of 1088	2356	winver.exe	19
PID 2356 wrote to memory of 1168	2356	winver.exe	20
PID 2356 wrote to memory of 1212	2356	winver.exe	21
PID 2356 wrote to memory of 1444	2356	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\52a4b2ebdf27c8847ee73696fb7bd893ecdff3e861f196c34cb5d78b5caa1e30N.exe
  "C:\Users\Admin\AppData\Local\Temp\52a4b2ebdf27c8847ee73696fb7bd893ecdff3e861f196c34cb5d78b5caa1e30N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1724
- - 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:2356

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1444

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/1088-26-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1088-27-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1168-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1212-29-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1212-3-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1444-30-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1444-25-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1444-31-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1724-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1724-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1724-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1724-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1724-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2356-7-0x0000000077690000-0x0000000077691000-memory.dmp

Filesize
4KB

Download
memory/2356-8-0x000000007768F000-0x0000000077690000-memory.dmp

Filesize
4KB

Download
memory/2356-9-0x000000007768F000-0x0000000077691000-memory.dmp

Filesize
8KB

Download
memory/2356-11-0x0000000077490000-0x0000000077639000-memory.dmp

Filesize
1.7MB

Download
memory/2356-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2356-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2356-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download