09b44bc19652065381a5f060e1631967b0aeda1b0d535863c3abc6e63bb0cac9

General

Target

176b0234538e5c983ae1edb57a299cc7_JaffaCakes118.exe
Size

269KB
MD5

176b0234538e5c983ae1edb57a299cc7
SHA1

b50bcb407142790e9b1f9d1bb358d968d5332756
SHA256

09b44bc19652065381a5f060e1631967b0aeda1b0d535863c3abc6e63bb0cac9
SHA512

62fab20574146e7546ea41fc9c6cc5e988dc173e528f45e6675041496b71cebf370c59a1d9a1953662e64b166e4b0d79c6225b29e7ab1d5e3d4b046570fb9c6d
SSDEEP

6144:FsaocyLCMg5yqhb+6zhsKKX4esbMzAMj5PyVXgQazWp9Iot:Ftob3gDslbsbMzAM9uba2z

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	ins5.exe

Executes dropped EXE 2 IoCs

pid	Process
4356	ins5.exe
3972	4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

Loads dropped DLL 1 IoCs

pid	Process
1612	176b0234538e5c983ae1edb57a299cc7_JaffaCakes118.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	ins5.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins5.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	ins5.exe
File created	C:\Windows\assembly\Desktop.ini	ins5.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins5.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	ins5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	176b0234538e5c983ae1edb57a299cc7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3972	4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3972	4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3972	4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
3972	4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 4356	1612	176b0234538e5c983ae1edb57a299cc7_JaffaCakes118.exe	85
PID 1612 wrote to memory of 4356	1612	176b0234538e5c983ae1edb57a299cc7_JaffaCakes118.exe	85
PID 1612 wrote to memory of 4356	1612	176b0234538e5c983ae1edb57a299cc7_JaffaCakes118.exe	85
PID 4356 wrote to memory of 3972	4356	ins5.exe	87
PID 4356 wrote to memory of 3972	4356	ins5.exe	87
PID 4356 wrote to memory of 3972	4356	ins5.exe	87

C:\Users\Admin\AppData\Local\Temp\176b0234538e5c983ae1edb57a299cc7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\176b0234538e5c983ae1edb57a299cc7_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\nsoA990.tmp\ins5.exe
  C:\Users\Admin\AppData\Local\Temp\nsoA990.tmp\ins5.exe 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe /t /dT132010108S /e5838865 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4356
- - C:\Users\Admin\AppData\Local\Temp\nsoA990.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
    "C:\Users\Admin\AppData\Local\Temp\nsoA990.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe" /t /dT132010108S /e5838865 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsoA990.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

Filesize
250KB

MD5
035e4f28801f8a2f5c9a51750b1d8bc0

SHA1
6083a072e75b146941dc759796e1b539fd4846db

SHA256
46dd0dcd46ed04a5819e21810339dc160a28c6d77a12661549d4a6875c4312be

SHA512
b5f0b19672c425d5025411bb0bfb9f604723bf11ba0a04b202330d2675655e1b7cb31bd51314d77f000edb668307fcf9661e20d12238e2095961cb0b1277d945

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsoA990.tmp\ins5.exe

Filesize
214KB

MD5
081f1ef743489a25c99fdd25f6d4f70d

SHA1
dfdbd1caf714644f6c1b1b383f717028c39a2db0

SHA256
ed6b25ef9345aa31303cdc1cad322b1607eda3bf7bfefe7445105baddd59c635

SHA512
bf2962affa9ffb92cbaa17389a71b6ecf548cf6629237444a4b078bdcbd29cdd825055e2fe49530053c864bb1ad42726c083bb7db6d20b0afc939363365ec4ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsoA990.tmp\nsExec.dll

Filesize
8KB

MD5
249ae678f0dac4c625c6de6aca53823a

SHA1
6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

SHA256
7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

SHA512
66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

Download Submit
memory/1612-42-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3972-31-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/3972-30-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/3972-25-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/3972-26-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/3972-27-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/3972-28-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/3972-29-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/3972-36-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/3972-34-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/4356-32-0x00000000744E2000-0x00000000744E3000-memory.dmp

Filesize
4KB

Download
memory/4356-33-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/4356-10-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/4356-11-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/4356-38-0x00000000744E0000-0x0000000074A91000-memory.dmp

Filesize
5.7MB

Download
memory/4356-9-0x00000000744E2000-0x00000000744E3000-memory.dmp

Filesize
4KB

Download

Analysis

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