5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755

Analysis

max time kernel
150s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05/08/2024, 22:01

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General

Target

5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe
Size

484KB
MD5

d8bf55b4de322bb2ff56bc5a01a5a15d
SHA1

8c68951716a74991555b63f497cc9e45a22ccb52
SHA256

5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755
SHA512

16ca637b299f1ad3cc9d23ecdb6d6f3daac23ef5bbff6b48a1080f73486de5511c1ba0b11f00deb93fe53da67c10412d9592404381a19356d69b95683b4a920e
SSDEEP

12288:jLPkCDt1EG2XVekhdeTOcguBF7A0pF7/PmUl:jLPkQ1bqAGW3cUCU

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2360	rasasort.exe
2276	~F5B4.tmp
3048	odbchost.exe

Loads dropped DLL 3 IoCs

pid	Process
1400	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe
1400	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe
2360	rasasort.exe

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-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\odbchost = "C:\\Users\\Admin\\AppData\\Roaming\\ipcocopy\\rasasort.exe"	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\odbchost.exe	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2940	1400	WerFault.exe	28

System Location Discovery: System Language Discovery 1 TTPs 3 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	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rasasort.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	odbchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2360	rasasort.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE
3048	odbchost.exe
1184	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	rasasort.exe
Token: SeShutdownPrivilege	1184	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2360	1400	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe	29
PID 1400 wrote to memory of 2360	1400	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe	29
PID 1400 wrote to memory of 2360	1400	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe	29
PID 1400 wrote to memory of 2360	1400	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe	29
PID 2360 wrote to memory of 2276	2360	rasasort.exe	30
PID 2360 wrote to memory of 2276	2360	rasasort.exe	30
PID 2360 wrote to memory of 2276	2360	rasasort.exe	30
PID 2360 wrote to memory of 2276	2360	rasasort.exe	30
PID 2276 wrote to memory of 1184	2276	~F5B4.tmp	20
PID 1400 wrote to memory of 2940	1400	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe	32
PID 1400 wrote to memory of 2940	1400	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe	32
PID 1400 wrote to memory of 2940	1400	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe	32
PID 1400 wrote to memory of 2940	1400	5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1184
- C:\Users\Admin\AppData\Local\Temp\5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe
  "C:\Users\Admin\AppData\Local\Temp\5bfcd89c0cb191974e9aff5f4097a6930ae7942c924a55c509d0c82fab2cb755.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Users\Admin\AppData\Roaming\ipcocopy\rasasort.exe
    "C:\Users\Admin\AppData\Roaming\ipcocopy"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2360
  - - C:\Users\Admin\AppData\Local\Temp\~F5B4.tmp
      1184 496136 2360 1
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2276
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 252
    3⤵
    - Program crash
    PID:2940

C:\Windows\SysWOW64\odbchost.exe
C:\Windows\SysWOW64\odbchost.exe -s
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3048

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\~F5B4.tmp

Filesize
8KB

MD5
aac3165ece2959f39ff98334618d10d9

SHA1
020a191bfdc70c1fbd3bf74cd7479258bd197f51

SHA256
96fa6a7714670823c83099ea01d24d6d3ae8fef027f01a4ddac14f123b1c9974

SHA512
9eb876812a6a13dd4b090788c2b1d9e9a2e25370598ed5c040f82e6f378edc4b78d58bc8f60d5a559ea57b1edcf3a144bfe09454a9928997173db8279d5b40cf

Download Submit
\Users\Admin\AppData\Roaming\ipcocopy\rasasort.exe

Filesize
484KB

MD5
3ddc3c0a2763a314eb7118b770323507

SHA1
a7d0839eeb95cacc02748092e5bc4c5e62977430

SHA256
65b78822fbacb60ff8b205a5dd93b1e9d5ef07a9cf097d918f2fbfcb7610b325

SHA512
80e7216a564d254b4f905d7bca7f733832e544aabd9d52b24bdd4d874f16afd3ecee9f5e32ab040f3766ac187dcc421be8972ba4d51aeded4450fc09cf783764

Download Submit
memory/1184-21-0x0000000004080000-0x0000000004109000-memory.dmp

Filesize
548KB

Download
memory/1184-17-0x0000000004080000-0x0000000004109000-memory.dmp

Filesize
548KB

Download
memory/1184-23-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1184-18-0x0000000004080000-0x0000000004109000-memory.dmp

Filesize
548KB

Download
memory/1184-25-0x0000000002D40000-0x0000000002D4D000-memory.dmp

Filesize
52KB

Download
memory/1400-0-0x00000000002F0000-0x0000000000373000-memory.dmp

Filesize
524KB

Download
memory/2360-11-0x00000000000E0000-0x0000000000163000-memory.dmp

Filesize
524KB

Download
memory/2360-13-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/3048-33-0x0000000000080000-0x0000000000086000-memory.dmp

Filesize
24KB

Download
memory/3048-32-0x0000000000160000-0x00000000001E3000-memory.dmp

Filesize
524KB

Download
memory/3048-31-0x0000000000080000-0x0000000000086000-memory.dmp

Filesize
24KB

Download
memory/3048-30-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download