tinba | ba632978b2392cc5c796381a8c52aa75e64a7cff53627ff29bcd728a4bd3860c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 04:46

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General

Target

ba632978b2392cc5c796381a8c52aa75e64a7cff53627ff29bcd728a4bd3860cN.exe
Size

89KB
MD5

eee87f5004db09df762ac5983a5b1120
SHA1

64f123e3b14ed6b7be0e964e7693080501debbd2
SHA256

ba632978b2392cc5c796381a8c52aa75e64a7cff53627ff29bcd728a4bd3860c
SHA512

9a1ec95b8c6cda5b23ef68a7d79a40db20983ec94e7f792df59e9b3a9aa4dfae48b7b61f7e7101d135b95a5c24596cbb4ca64099e36236f68cf51fbcf9ce9fcb
SSDEEP

1536:k1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7K:g+4MJIkLZJNAQ9Jo9K

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\145E8C5F = "C:\\Users\\Admin\\AppData\\Roaming\\145E8C5F\\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/1868-0-0x0000000000400000-0x0000000000418000-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	ba632978b2392cc5c796381a8c52aa75e64a7cff53627ff29bcd728a4bd3860cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2708	winver.exe
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2708	1868	ba632978b2392cc5c796381a8c52aa75e64a7cff53627ff29bcd728a4bd3860cN.exe	31
PID 1868 wrote to memory of 2708	1868	ba632978b2392cc5c796381a8c52aa75e64a7cff53627ff29bcd728a4bd3860cN.exe	31
PID 1868 wrote to memory of 2708	1868	ba632978b2392cc5c796381a8c52aa75e64a7cff53627ff29bcd728a4bd3860cN.exe	31
PID 1868 wrote to memory of 2708	1868	ba632978b2392cc5c796381a8c52aa75e64a7cff53627ff29bcd728a4bd3860cN.exe	31
PID 1868 wrote to memory of 2708	1868	ba632978b2392cc5c796381a8c52aa75e64a7cff53627ff29bcd728a4bd3860cN.exe	31
PID 2708 wrote to memory of 1200	2708	winver.exe	21
PID 2708 wrote to memory of 1088	2708	winver.exe	19
PID 2708 wrote to memory of 1176	2708	winver.exe	20
PID 2708 wrote to memory of 1200	2708	winver.exe	21
PID 2708 wrote to memory of 1244	2708	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1200
- C:\Users\Admin\AppData\Local\Temp\ba632978b2392cc5c796381a8c52aa75e64a7cff53627ff29bcd728a4bd3860cN.exe
  "C:\Users\Admin\AppData\Local\Temp\ba632978b2392cc5c796381a8c52aa75e64a7cff53627ff29bcd728a4bd3860cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1868
- - 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:2708

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1244

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/1088-28-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1088-29-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1176-19-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1176-30-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1200-21-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1200-25-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1244-26-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1244-27-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1244-24-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1868-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/1868-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/1868-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1868-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1868-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2708-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2708-7-0x0000000077250000-0x0000000077251000-memory.dmp

Filesize
4KB

Download
memory/2708-8-0x000000007724F000-0x0000000077250000-memory.dmp

Filesize
4KB

Download
memory/2708-9-0x000000007724F000-0x0000000077251000-memory.dmp

Filesize
8KB

Download
memory/2708-11-0x0000000077050000-0x00000000771F9000-memory.dmp

Filesize
1.7MB

Download
memory/2708-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download