tinba | a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79ad

Resubmissions

11-01-2025 15:46

250111-s7w5esspbt 5

11-01-2025 14:57

250111-sbtpestrgp 10

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 14:57

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General

Target

a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe
Size

45KB
MD5

d38d90c1aed9efa62849f5ab66ecd150
SHA1

1d2c0ccf1fc8d1026ad994990acb0067be153c90
SHA256

a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79ad
SHA512

6a744987a764cfd84f858206a7da529076e49372a6ef496aedfbc78dbc934cdb9b35a8a7d395fbbc0388232084f870180647559e8f2fa1abf2fe1ad702e0d0c0
SSDEEP

768:ZhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:DsWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\24E21AAC = "C:\\Users\\Admin\\AppData\\Roaming\\24E21AAC\\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/2112-0-0x0000000000400000-0x000000000041D000-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	a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe
1992	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1992	winver.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 1992	2112	a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe	31
PID 2112 wrote to memory of 1992	2112	a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe	31
PID 2112 wrote to memory of 1992	2112	a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe	31
PID 2112 wrote to memory of 1992	2112	a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe	31
PID 2112 wrote to memory of 1992	2112	a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe	31
PID 1992 wrote to memory of 1208	1992	winver.exe	21
PID 1992 wrote to memory of 1108	1992	winver.exe	19
PID 1992 wrote to memory of 1168	1992	winver.exe	20
PID 1992 wrote to memory of 1208	1992	winver.exe	21
PID 1992 wrote to memory of 1300	1992	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1208
- C:\Users\Admin\AppData\Local\Temp\a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe
  "C:\Users\Admin\AppData\Local\Temp\a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2112
- - 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:1992

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1300

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/1108-26-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1208-22-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1208-30-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1300-29-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1300-31-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1300-32-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1300-25-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1992-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1992-7-0x00000000773D0000-0x00000000773D1000-memory.dmp

Filesize
4KB

Download
memory/1992-8-0x00000000773CF000-0x00000000773D0000-memory.dmp

Filesize
4KB

Download
memory/1992-9-0x00000000773CF000-0x00000000773D1000-memory.dmp

Filesize
8KB

Download
memory/1992-11-0x00000000771D0000-0x0000000077379000-memory.dmp

Filesize
1.7MB

Download
memory/1992-33-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2112-13-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/2112-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2112-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2112-5-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/2112-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download