tinba | db9c42df7caf2c04a9d3f1f7173785bb04e80a018f6189b629c81e2c6d76f849

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 16:06

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General

Target

db9c42df7caf2c04a9d3f1f7173785bb04e80a018f6189b629c81e2c6d76f849N.exe
Size

45KB
MD5

7d76fe653a5ef1c3d838c9c0b9b2f0d0
SHA1

827f42ba952c913dda8976bdb33e6e02d84ad76f
SHA256

db9c42df7caf2c04a9d3f1f7173785bb04e80a018f6189b629c81e2c6d76f849
SHA512

c5e90001f2b5c4318fe94736c456984d49001e084aceb7bf0cf76dbeedb2043833bf90b4ddf381756c91f99098b0e8c198a397f28ab1c6c5bfae2ccda2ebea86
SSDEEP

768:RhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:rsWE9N5dFu53dsniQaB/xZ14n7zIF+qD

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\A6A7E2EB = "C:\\Users\\Admin\\AppData\\Roaming\\A6A7E2EB\\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/1796-0-0x0000000000400000-0x000000000041D000-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	db9c42df7caf2c04a9d3f1f7173785bb04e80a018f6189b629c81e2c6d76f849N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe
2468	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2468	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2468	1796	db9c42df7caf2c04a9d3f1f7173785bb04e80a018f6189b629c81e2c6d76f849N.exe	32
PID 1796 wrote to memory of 2468	1796	db9c42df7caf2c04a9d3f1f7173785bb04e80a018f6189b629c81e2c6d76f849N.exe	32
PID 1796 wrote to memory of 2468	1796	db9c42df7caf2c04a9d3f1f7173785bb04e80a018f6189b629c81e2c6d76f849N.exe	32
PID 1796 wrote to memory of 2468	1796	db9c42df7caf2c04a9d3f1f7173785bb04e80a018f6189b629c81e2c6d76f849N.exe	32
PID 1796 wrote to memory of 2468	1796	db9c42df7caf2c04a9d3f1f7173785bb04e80a018f6189b629c81e2c6d76f849N.exe	32
PID 2468 wrote to memory of 1192	2468	winver.exe	21
PID 2468 wrote to memory of 1112	2468	winver.exe	19
PID 2468 wrote to memory of 1160	2468	winver.exe	20
PID 2468 wrote to memory of 1192	2468	winver.exe	21
PID 2468 wrote to memory of 1224	2468	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\db9c42df7caf2c04a9d3f1f7173785bb04e80a018f6189b629c81e2c6d76f849N.exe
  "C:\Users\Admin\AppData\Local\Temp\db9c42df7caf2c04a9d3f1f7173785bb04e80a018f6189b629c81e2c6d76f849N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1796
- - 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:2468

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1224

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/1112-23-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1112-24-0x0000000077481000-0x0000000077482000-memory.dmp

Filesize
4KB

Download
memory/1160-27-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077481000-0x0000000077482000-memory.dmp

Filesize
4KB

Download
memory/1192-25-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1224-31-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1224-32-0x0000000077481000-0x0000000077482000-memory.dmp

Filesize
4KB

Download
memory/1796-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1796-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1796-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1796-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1796-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2468-11-0x0000000077430000-0x00000000775D9000-memory.dmp

Filesize
1.7MB

Download
memory/2468-26-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2468-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2468-7-0x0000000077630000-0x0000000077631000-memory.dmp

Filesize
4KB

Download
memory/2468-8-0x000000007762F000-0x0000000077630000-memory.dmp

Filesize
4KB

Download
memory/2468-9-0x000000007762F000-0x0000000077631000-memory.dmp

Filesize
8KB

Download