tinba | 1a92d6e16f143d81cb0b2a1bf0987e4245c0312839bb44ac3af1acd6b0628fe8

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 10:49

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General

Target

9843db7e278ecdec3d18141460ca7d4e6fb031fc2a2ae7faecb0ff51e3a7ebfd.exe
Size

88KB
MD5

d10a046a9965bba6f3c70958a82f01d9
SHA1

80159cf10c0c4a679292240479a4100d29747704
SHA256

9843db7e278ecdec3d18141460ca7d4e6fb031fc2a2ae7faecb0ff51e3a7ebfd
SHA512

fdd85df084fd9fb2e1aeac61ce4577d952aceed49e407beeee61f75a8040f92e419abdc92ea32c4a98582340c45c67e7ca4c482db99c658df0257c898c851738
SSDEEP

1536:h5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:h5fvp12UFKcD/6jwqWsN

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker 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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\A6B1ADF9 = "C:\\Users\\Admin\\AppData\\Roaming\\A6B1ADF9\\bin.exe"	winver.exe

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	9843db7e278ecdec3d18141460ca7d4e6fb031fc2a2ae7faecb0ff51e3a7ebfd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe
1300	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1300	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 1300	528	9843db7e278ecdec3d18141460ca7d4e6fb031fc2a2ae7faecb0ff51e3a7ebfd.exe	31
PID 528 wrote to memory of 1300	528	9843db7e278ecdec3d18141460ca7d4e6fb031fc2a2ae7faecb0ff51e3a7ebfd.exe	31
PID 528 wrote to memory of 1300	528	9843db7e278ecdec3d18141460ca7d4e6fb031fc2a2ae7faecb0ff51e3a7ebfd.exe	31
PID 528 wrote to memory of 1300	528	9843db7e278ecdec3d18141460ca7d4e6fb031fc2a2ae7faecb0ff51e3a7ebfd.exe	31
PID 528 wrote to memory of 1300	528	9843db7e278ecdec3d18141460ca7d4e6fb031fc2a2ae7faecb0ff51e3a7ebfd.exe	31
PID 1300 wrote to memory of 1248	1300	winver.exe	21
PID 1300 wrote to memory of 1116	1300	winver.exe	19
PID 1300 wrote to memory of 1192	1300	winver.exe	20
PID 1300 wrote to memory of 1248	1300	winver.exe	21
PID 1300 wrote to memory of 1124	1300	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1248
- C:\Users\Admin\AppData\Local\Temp\9843db7e278ecdec3d18141460ca7d4e6fb031fc2a2ae7faecb0ff51e3a7ebfd.exe
  "C:\Users\Admin\AppData\Local\Temp\9843db7e278ecdec3d18141460ca7d4e6fb031fc2a2ae7faecb0ff51e3a7ebfd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:528
- - 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:1300

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1124

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/528-4-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/528-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/528-12-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/528-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1116-23-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1116-24-0x0000000076F21000-0x0000000076F22000-memory.dmp

Filesize
4KB

Download
memory/1124-27-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1124-22-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1124-28-0x0000000076F21000-0x0000000076F22000-memory.dmp

Filesize
4KB

Download
memory/1192-18-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1248-1-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1248-9-0x0000000076F21000-0x0000000076F22000-memory.dmp

Filesize
4KB

Download
memory/1248-29-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1248-3-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1248-2-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1248-20-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1300-8-0x00000000770CF000-0x00000000770D1000-memory.dmp

Filesize
8KB

Download
memory/1300-25-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1300-6-0x00000000770D0000-0x00000000770D1000-memory.dmp

Filesize
4KB

Download
memory/1300-10-0x0000000076ED0000-0x0000000077079000-memory.dmp

Filesize
1.7MB

Download
memory/1300-7-0x00000000770CF000-0x00000000770D0000-memory.dmp

Filesize
4KB

Download
memory/1300-5-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1300-34-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download