tinba | 8671cdb5f474895ddc4b4e5616a8037ca2e03d5bfd0087e61e5b11dae01e7e8b

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
17-11-2024 20:06

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General

Target

8671cdb5f474895ddc4b4e5616a8037ca2e03d5bfd0087e61e5b11dae01e7e8b.exe
Size

113KB
MD5

e4302d684967bb84560e69c19996ea97
SHA1

c5d530027ca7cdd224dba46b7fc4d1b4a8a246c7
SHA256

8671cdb5f474895ddc4b4e5616a8037ca2e03d5bfd0087e61e5b11dae01e7e8b
SHA512

006254a6c4c1f145eb1d74bc10f62c161d466ce7218152c0a90203dcd8564ca0400c9365632e709807bcebe36e0630faafbeda5ead59bf04d180dacb619af828
SSDEEP

1536:3iLOvRmmQegJfBbmAQ256/ZrwWhwqjhurmKFcbL86WV0Eh:3iyvRmDLs/ZrwWjjAqGcfzWHh

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\7B2B1C47 = "C:\\Users\\Admin\\AppData\\Roaming\\7B2B1C47\\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/876-0-0x0000000000400000-0x000000000041E000-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	8671cdb5f474895ddc4b4e5616a8037ca2e03d5bfd0087e61e5b11dae01e7e8b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe
340	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
340	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 340	876	8671cdb5f474895ddc4b4e5616a8037ca2e03d5bfd0087e61e5b11dae01e7e8b.exe	31
PID 876 wrote to memory of 340	876	8671cdb5f474895ddc4b4e5616a8037ca2e03d5bfd0087e61e5b11dae01e7e8b.exe	31
PID 876 wrote to memory of 340	876	8671cdb5f474895ddc4b4e5616a8037ca2e03d5bfd0087e61e5b11dae01e7e8b.exe	31
PID 876 wrote to memory of 340	876	8671cdb5f474895ddc4b4e5616a8037ca2e03d5bfd0087e61e5b11dae01e7e8b.exe	31
PID 876 wrote to memory of 340	876	8671cdb5f474895ddc4b4e5616a8037ca2e03d5bfd0087e61e5b11dae01e7e8b.exe	31
PID 340 wrote to memory of 1208	340	winver.exe	21
PID 340 wrote to memory of 1108	340	winver.exe	19
PID 340 wrote to memory of 1172	340	winver.exe	20
PID 340 wrote to memory of 1208	340	winver.exe	21
PID 340 wrote to memory of 852	340	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\8671cdb5f474895ddc4b4e5616a8037ca2e03d5bfd0087e61e5b11dae01e7e8b.exe
  "C:\Users\Admin\AppData\Local\Temp\8671cdb5f474895ddc4b4e5616a8037ca2e03d5bfd0087e61e5b11dae01e7e8b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:876
- - 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:340

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:852

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/340-6-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/340-32-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/340-11-0x0000000077C20000-0x0000000077DC9000-memory.dmp

Filesize
1.7MB

Download
memory/340-9-0x0000000077E1F000-0x0000000077E21000-memory.dmp

Filesize
8KB

Download
memory/340-8-0x0000000077E1F000-0x0000000077E20000-memory.dmp

Filesize
4KB

Download
memory/340-7-0x0000000077E20000-0x0000000077E21000-memory.dmp

Filesize
4KB

Download
memory/852-24-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/852-31-0x0000000077C71000-0x0000000077C72000-memory.dmp

Filesize
4KB

Download
memory/852-30-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/852-28-0x0000000077C71000-0x0000000077C72000-memory.dmp

Filesize
4KB

Download
memory/876-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/876-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/876-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/876-13-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/876-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1108-26-0x0000000077C71000-0x0000000077C72000-memory.dmp

Filesize
4KB

Download
memory/1108-25-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1172-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1208-22-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1208-29-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x0000000077C71000-0x0000000077C72000-memory.dmp

Filesize
4KB

Download
memory/1208-2-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download