774d40456dc577e8936cf0728ee950464a79d869426400735d3e20bde0b5fb4e

General

Target

437071955b029847320e2ca9559f59a8_JaffaCakes118.exe
Size

270KB
MD5

437071955b029847320e2ca9559f59a8
SHA1

8ec7394a76bf9d936404266e243bf3844d667389
SHA256

774d40456dc577e8936cf0728ee950464a79d869426400735d3e20bde0b5fb4e
SHA512

bc0c82e6f136070ef845a53f78652d6155b8a2e53511d31c82911961c0a6f99f29395e03debed6cf797e7a46094811da3ee4d615de0376d1c624d6385ec43e90
SSDEEP

6144:asaocyLCh/ReoU3H4AzxGmpEfdI0Xhz2ydyavMYh:atobKpeoU3qgEfdIqJ/oSh

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	ins5.exe

Executes dropped EXE 2 IoCs

pid	Process
3872	ins5.exe
1272	4dc9054e-38b0-4614-bdd5-20605bc06f26.exe

Loads dropped DLL 1 IoCs

pid	Process
1524	437071955b029847320e2ca9559f59a8_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	437071955b029847320e2ca9559f59a8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ins5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4dc9054e-38b0-4614-bdd5-20605bc06f26.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1272	4dc9054e-38b0-4614-bdd5-20605bc06f26.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1272	4dc9054e-38b0-4614-bdd5-20605bc06f26.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1272	4dc9054e-38b0-4614-bdd5-20605bc06f26.exe
1272	4dc9054e-38b0-4614-bdd5-20605bc06f26.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 3872	1524	437071955b029847320e2ca9559f59a8_JaffaCakes118.exe	84
PID 1524 wrote to memory of 3872	1524	437071955b029847320e2ca9559f59a8_JaffaCakes118.exe	84
PID 1524 wrote to memory of 3872	1524	437071955b029847320e2ca9559f59a8_JaffaCakes118.exe	84
PID 3872 wrote to memory of 1272	3872	ins5.exe	89
PID 3872 wrote to memory of 1272	3872	ins5.exe	89
PID 3872 wrote to memory of 1272	3872	ins5.exe	89

C:\Users\Admin\AppData\Local\Temp\437071955b029847320e2ca9559f59a8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\437071955b029847320e2ca9559f59a8_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Users\Admin\AppData\Local\Temp\nsvAE91.tmp\ins5.exe
  C:\Users\Admin\AppData\Local\Temp\nsvAE91.tmp\ins5.exe 4dc9054e-38b0-4614-bdd5-20605bc06f26.exe /t /dT132041153S /e3320293 /u4dc9054e-38b0-4614-bdd5-20605bc06f26
  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:3872
- - C:\Users\Admin\AppData\Local\Temp\nsvAE91.tmp\4dc9054e-38b0-4614-bdd5-20605bc06f26.exe
    "C:\Users\Admin\AppData\Local\Temp\nsvAE91.tmp\4dc9054e-38b0-4614-bdd5-20605bc06f26.exe" /t /dT132041153S /e3320293 /u4dc9054e-38b0-4614-bdd5-20605bc06f26
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1272

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsvAE91.tmp\4dc9054e-38b0-4614-bdd5-20605bc06f26.exe

Filesize
250KB

MD5
035e4f28801f8a2f5c9a51750b1d8bc0

SHA1
6083a072e75b146941dc759796e1b539fd4846db

SHA256
46dd0dcd46ed04a5819e21810339dc160a28c6d77a12661549d4a6875c4312be

SHA512
b5f0b19672c425d5025411bb0bfb9f604723bf11ba0a04b202330d2675655e1b7cb31bd51314d77f000edb668307fcf9661e20d12238e2095961cb0b1277d945

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsvAE91.tmp\ins5.exe

Filesize
214KB

MD5
081f1ef743489a25c99fdd25f6d4f70d

SHA1
dfdbd1caf714644f6c1b1b383f717028c39a2db0

SHA256
ed6b25ef9345aa31303cdc1cad322b1607eda3bf7bfefe7445105baddd59c635

SHA512
bf2962affa9ffb92cbaa17389a71b6ecf548cf6629237444a4b078bdcbd29cdd825055e2fe49530053c864bb1ad42726c083bb7db6d20b0afc939363365ec4ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsvAE91.tmp\nsExec.dll

Filesize
8KB

MD5
249ae678f0dac4c625c6de6aca53823a

SHA1
6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

SHA256
7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

SHA512
66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

Download Submit
memory/1272-32-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1272-35-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1272-25-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1272-26-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1272-27-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1272-28-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1272-29-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1272-30-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/1524-41-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3872-11-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/3872-31-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/3872-33-0x0000000074D02000-0x0000000074D03000-memory.dmp

Filesize
4KB

Download
memory/3872-10-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/3872-37-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/3872-9-0x0000000074D02000-0x0000000074D03000-memory.dmp

Filesize
4KB

Download

Analysis

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