tinba | a2c79f7508564ac00346d22e3206048a18f6caa9aa3a629255749eac81c27241

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 04:18

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General

Target

a2c79f7508564ac00346d22e3206048a18f6caa9aa3a629255749eac81c27241N.exe
Size

45KB
MD5

e51acc7d6b0b6b7691ddf5658c366400
SHA1

00b7d503c8d95b7084872bb3348e9a3a81e265ee
SHA256

a2c79f7508564ac00346d22e3206048a18f6caa9aa3a629255749eac81c27241
SHA512

1003b00de5a07c49d44e16d7d369bd8bcffe52ce161df228ac4696d59e0f1838781a2885b672320ba8b0bb29dfb7c03c91b3c799f841dc4fc7b4cc0c09c161f8
SSDEEP

768:GhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:KsWE9N5dFu53dsniQaB/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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\7D6BDA36 = "C:\\Users\\Admin\\AppData\\Roaming\\7D6BDA36\\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/1740-0-0x0000000000400000-0x000000000041D000-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	a2c79f7508564ac00346d22e3206048a18f6caa9aa3a629255749eac81c27241N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe
2880	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2880	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2880	1740	a2c79f7508564ac00346d22e3206048a18f6caa9aa3a629255749eac81c27241N.exe	31
PID 1740 wrote to memory of 2880	1740	a2c79f7508564ac00346d22e3206048a18f6caa9aa3a629255749eac81c27241N.exe	31
PID 1740 wrote to memory of 2880	1740	a2c79f7508564ac00346d22e3206048a18f6caa9aa3a629255749eac81c27241N.exe	31
PID 1740 wrote to memory of 2880	1740	a2c79f7508564ac00346d22e3206048a18f6caa9aa3a629255749eac81c27241N.exe	31
PID 1740 wrote to memory of 2880	1740	a2c79f7508564ac00346d22e3206048a18f6caa9aa3a629255749eac81c27241N.exe	31
PID 2880 wrote to memory of 1212	2880	winver.exe	21
PID 2880 wrote to memory of 1088	2880	winver.exe	19
PID 2880 wrote to memory of 1172	2880	winver.exe	20
PID 2880 wrote to memory of 1212	2880	winver.exe	21
PID 2880 wrote to memory of 1648	2880	winver.exe	25

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\a2c79f7508564ac00346d22e3206048a18f6caa9aa3a629255749eac81c27241N.exe
  "C:\Users\Admin\AppData\Local\Temp\a2c79f7508564ac00346d22e3206048a18f6caa9aa3a629255749eac81c27241N.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:2880

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1648

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/1088-25-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1088-26-0x00000000779E1000-0x00000000779E2000-memory.dmp

Filesize
4KB

Download
memory/1172-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002650000-0x0000000002656000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x00000000779E1000-0x00000000779E2000-memory.dmp

Filesize
4KB

Download
memory/1212-4-0x0000000002650000-0x0000000002656000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002650000-0x0000000002656000-memory.dmp

Filesize
24KB

Download
memory/1212-28-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1648-24-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1648-30-0x00000000779E1000-0x00000000779E2000-memory.dmp

Filesize
4KB

Download
memory/1648-29-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1740-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1740-13-0x0000000001B40000-0x0000000002540000-memory.dmp

Filesize
10.0MB

Download
memory/1740-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1740-5-0x0000000001B40000-0x0000000002540000-memory.dmp

Filesize
10.0MB

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

Filesize
4KB

Download
memory/2880-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2880-7-0x0000000077B90000-0x0000000077B91000-memory.dmp

Filesize
4KB

Download
memory/2880-8-0x0000000077B8F000-0x0000000077B90000-memory.dmp

Filesize
4KB

Download
memory/2880-9-0x0000000077B8F000-0x0000000077B91000-memory.dmp

Filesize
8KB

Download
memory/2880-11-0x0000000077990000-0x0000000077B39000-memory.dmp

Filesize
1.7MB

Download
memory/2880-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download