tinba | a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 20:44

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General

Target

a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe
Size

89KB
MD5

8a824aad22835951d80fd45719e0b590
SHA1

bb1ba16ddb81f21c609367425432f35eb585561b
SHA256

a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9
SHA512

48f36307eba9d16973a47c09914ffe0faf1a7f2da16e34d14b258931d8b216dd762cbefc79eda0a7be68b9e804ef2f077727094df80c77b8cb2497ffa84c374f
SSDEEP

1536:B1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:L+4MJIkLZJNAQ9Jo9e

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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\10CC4722 = "C:\\Users\\Admin\\AppData\\Roaming\\10CC4722\\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/2600-0-0x0000000000400000-0x0000000000418000-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	a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2236	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2236	2600	a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe	31
PID 2600 wrote to memory of 2236	2600	a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe	31
PID 2600 wrote to memory of 2236	2600	a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe	31
PID 2600 wrote to memory of 2236	2600	a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe	31
PID 2600 wrote to memory of 2236	2600	a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe	31
PID 2236 wrote to memory of 1204	2236	winver.exe	21
PID 2236 wrote to memory of 1120	2236	winver.exe	19
PID 2236 wrote to memory of 1172	2236	winver.exe	20
PID 2236 wrote to memory of 1204	2236	winver.exe	21
PID 2236 wrote to memory of 1244	2236	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe
  "C:\Users\Admin\AppData\Local\Temp\a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - 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:2236

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1244

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/1120-27-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1120-28-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/1172-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1204-26-0x00000000020A0000-0x00000000020A6000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/1204-2-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1204-22-0x00000000020A0000-0x00000000020A6000-memory.dmp

Filesize
24KB

Download
memory/1244-31-0x0000000001D60000-0x0000000001D66000-memory.dmp

Filesize
24KB

Download
memory/1244-32-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/1244-25-0x0000000001D60000-0x0000000001D66000-memory.dmp

Filesize
24KB

Download
memory/2236-11-0x0000000077BD0000-0x0000000077D79000-memory.dmp

Filesize
1.7MB

Download
memory/2236-6-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2236-7-0x0000000077DD0000-0x0000000077DD1000-memory.dmp

Filesize
4KB

Download
memory/2236-8-0x0000000077DCF000-0x0000000077DD0000-memory.dmp

Filesize
4KB

Download
memory/2236-9-0x0000000077DCF000-0x0000000077DD1000-memory.dmp

Filesize
8KB

Download
memory/2236-30-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2600-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2600-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2600-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2600-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2600-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download