tinba | 40858f59e4ca2af8362a54a5d4bdb4edb5f2dc498749939cdb1946efe4de89e3

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 18:55

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General

Target

40858f59e4ca2af8362a54a5d4bdb4edb5f2dc498749939cdb1946efe4de89e3N.exe
Size

34KB
MD5

3a37eb3bfa0fb83f0cee627699113510
SHA1

fbb0380479b8185365ea6d406dddce81a8223946
SHA256

40858f59e4ca2af8362a54a5d4bdb4edb5f2dc498749939cdb1946efe4de89e3
SHA512

3fd8f1bf6ec4c4ebd322d08a295f641218e91b4e4d67cc3784a47631fd3fe117814be79572b77e00f0d2fea83b8616a6049e2280ede31adafd1fac13464d0038
SSDEEP

768:bp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:bpYoX58z1uirL98xMWnT0OQ9J2

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

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\F6F80DD4 = "C:\\Users\\Admin\\AppData\\Roaming\\F6F80DD4\\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/1152-0-0x0000000000400000-0x0000000000417000-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	40858f59e4ca2af8362a54a5d4bdb4edb5f2dc498749939cdb1946efe4de89e3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2148	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2148	1152	40858f59e4ca2af8362a54a5d4bdb4edb5f2dc498749939cdb1946efe4de89e3N.exe	31
PID 1152 wrote to memory of 2148	1152	40858f59e4ca2af8362a54a5d4bdb4edb5f2dc498749939cdb1946efe4de89e3N.exe	31
PID 1152 wrote to memory of 2148	1152	40858f59e4ca2af8362a54a5d4bdb4edb5f2dc498749939cdb1946efe4de89e3N.exe	31
PID 1152 wrote to memory of 2148	1152	40858f59e4ca2af8362a54a5d4bdb4edb5f2dc498749939cdb1946efe4de89e3N.exe	31
PID 1152 wrote to memory of 2148	1152	40858f59e4ca2af8362a54a5d4bdb4edb5f2dc498749939cdb1946efe4de89e3N.exe	31
PID 2148 wrote to memory of 1204	2148	winver.exe	21
PID 2148 wrote to memory of 1100	2148	winver.exe	19
PID 2148 wrote to memory of 1156	2148	winver.exe	20
PID 2148 wrote to memory of 1204	2148	winver.exe	21
PID 2148 wrote to memory of 1664	2148	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\40858f59e4ca2af8362a54a5d4bdb4edb5f2dc498749939cdb1946efe4de89e3N.exe
  "C:\Users\Admin\AppData\Local\Temp\40858f59e4ca2af8362a54a5d4bdb4edb5f2dc498749939cdb1946efe4de89e3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1152
- - 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:2148

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/1100-25-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1100-26-0x0000000077A91000-0x0000000077A92000-memory.dmp

Filesize
4KB

Download
memory/1152-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1152-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1152-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1152-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1152-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1156-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1156-30-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077A91000-0x0000000077A92000-memory.dmp

Filesize
4KB

Download
memory/1204-3-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1204-22-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1664-29-0x0000000077A91000-0x0000000077A92000-memory.dmp

Filesize
4KB

Download
memory/1664-28-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1664-24-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2148-7-0x0000000077C40000-0x0000000077C41000-memory.dmp

Filesize
4KB

Download
memory/2148-11-0x0000000077A40000-0x0000000077BE9000-memory.dmp

Filesize
1.7MB

Download
memory/2148-9-0x0000000077C3F000-0x0000000077C41000-memory.dmp

Filesize
8KB

Download
memory/2148-8-0x0000000077C3F000-0x0000000077C40000-memory.dmp

Filesize
4KB

Download
memory/2148-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2148-31-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download