tinba | 840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 02:20

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General

Target

840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe
Size

110KB
MD5

c352c69f55318bdb2a72c0e42ef3c219
SHA1

41de413fb7f21c0f332cc43e045fd23a2ace0b69
SHA256

840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87
SHA512

f4182e079ccb127af33cb6c18317b14e5761d59b2cdd170280a187ed4167a212462669c059e6341e388342af788a6687044d2dd8d307dda397917ddd5f3d100e
SSDEEP

1536:hiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:hiyvRmDLs/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
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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\DBD0F91E = "C:\\Users\\Admin\\AppData\\Roaming\\DBD0F91E\\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/2180-0-0x0000000000400000-0x000000000041E000-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	840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1372	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 1372	2180	840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe	31
PID 2180 wrote to memory of 1372	2180	840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe	31
PID 2180 wrote to memory of 1372	2180	840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe	31
PID 2180 wrote to memory of 1372	2180	840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe	31
PID 2180 wrote to memory of 1372	2180	840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe	31
PID 1372 wrote to memory of 1216	1372	winver.exe	21
PID 1372 wrote to memory of 1124	1372	winver.exe	19
PID 1372 wrote to memory of 1192	1372	winver.exe	20
PID 1372 wrote to memory of 1216	1372	winver.exe	21
PID 1372 wrote to memory of 1664	1372	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe
  "C:\Users\Admin\AppData\Local\Temp\840e5ea1b77c452c2316ab7e534d54eeed93ca78b7fbf3ffa2dd39f73517ed87.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2180
- - 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:1372

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/1124-26-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1124-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1192-33-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1192-37-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1192-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1192-31-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1192-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1216-4-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1216-22-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1216-27-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1372-8-0x00000000779AF000-0x00000000779B0000-memory.dmp

Filesize
4KB

Download
memory/1372-9-0x00000000779AF000-0x00000000779B1000-memory.dmp

Filesize
8KB

Download
memory/1372-11-0x00000000777B0000-0x0000000077959000-memory.dmp

Filesize
1.7MB

Download
memory/1372-7-0x00000000779B0000-0x00000000779B1000-memory.dmp

Filesize
4KB

Download
memory/1372-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1372-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1664-28-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1664-29-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1664-24-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/2180-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2180-13-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2180-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2180-5-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2180-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download