tinba | b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbd

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 15:12

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General

Target

b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe
Size

89KB
MD5

f1c14428fead26e9567af94f3a3a74b0
SHA1

c9ae36f27d57dec3951623d8c96cf3768410a4d7
SHA256

b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbd
SHA512

827740e64b01e5cb98f228efbade87047d0efc5252099e423f9425bb19490b78d1db1f23bdf5a2d494035fa9b1e3bdaf7f4d401c662426abf7db7d614d87ea29
SSDEEP

1536:s1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7O:Y+4MJIkLZJNAQ9Jo9O

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\800624A6 = "C:\\Users\\Admin\\AppData\\Roaming\\800624A6\\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/1740-0-0x0000000000400000-0x0000000000418000-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	b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2408	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2408	1740	b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe	31
PID 1740 wrote to memory of 2408	1740	b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe	31
PID 1740 wrote to memory of 2408	1740	b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe	31
PID 1740 wrote to memory of 2408	1740	b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe	31
PID 1740 wrote to memory of 2408	1740	b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe	31
PID 2408 wrote to memory of 1240	2408	winver.exe	21
PID 2408 wrote to memory of 1128	2408	winver.exe	19
PID 2408 wrote to memory of 1192	2408	winver.exe	20
PID 2408 wrote to memory of 1240	2408	winver.exe	21
PID 2408 wrote to memory of 864	2408	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1240
- C:\Users\Admin\AppData\Local\Temp\b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe
  "C:\Users\Admin\AppData\Local\Temp\b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1740
- - 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:2408

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:864

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/864-27-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/864-28-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/864-23-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1128-24-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1128-25-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/1192-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-26-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/1192-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1240-31-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1240-10-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/1240-21-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1240-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1240-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1240-4-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1740-13-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/1740-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1740-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1740-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/1740-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2408-11-0x0000000077790000-0x0000000077939000-memory.dmp

Filesize
1.7MB

Download
memory/2408-9-0x000000007798F000-0x0000000077991000-memory.dmp

Filesize
8KB

Download
memory/2408-7-0x0000000077990000-0x0000000077991000-memory.dmp

Filesize
4KB

Download
memory/2408-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2408-8-0x000000007798F000-0x0000000077990000-memory.dmp

Filesize
4KB

Download
memory/2408-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2408-36-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download