7bb2e5f8bcf6ee91fc65dcdd9617827fcf6ea9b31708b260f6c4fd3593c98f73

General

Target

409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe
Size

20KB
MD5

409d1a6ef6366d783a25eb3f1810178f
SHA1

63c41f0f94fe69875ea318caf1dd54c83f852514
SHA256

7bb2e5f8bcf6ee91fc65dcdd9617827fcf6ea9b31708b260f6c4fd3593c98f73
SHA512

c3db7abe0a42ca10aeeb84c6aebe63f87c678282b27939af62e2402db5ce95bfa67886c1a875cec8ab4671f6cbac3510f2143b1edca6df15521d74289dea65e6
SSDEEP

384:wvCCFpKHC+4k6mS6+/KgLS+Q/7EqWvXg:wvCjHCfxmSBJSr/Qq

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2116	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1732	csrcs.exe

Loads dropped DLL 2 IoCs

pid	Process
2116	svchost.exe
2116	svchost.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrcs = "C:\\Users\\Admin\\AppData\\Local\\Temp\\csrcs.exe"	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1704 set thread context of 2116	1704	409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe	30
PID 1732 set thread context of 2256	1732	csrcs.exe	32

System Location Discovery: System Language Discovery 1 TTPs 4 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	csrcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2116	1704	409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe	30
PID 1704 wrote to memory of 2116	1704	409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe	30
PID 1704 wrote to memory of 2116	1704	409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe	30
PID 1704 wrote to memory of 2116	1704	409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe	30
PID 1704 wrote to memory of 2116	1704	409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe	30
PID 1704 wrote to memory of 2116	1704	409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe	30
PID 1704 wrote to memory of 2116	1704	409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe	30
PID 1704 wrote to memory of 2116	1704	409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe	30
PID 2116 wrote to memory of 1732	2116	svchost.exe	31
PID 2116 wrote to memory of 1732	2116	svchost.exe	31
PID 2116 wrote to memory of 1732	2116	svchost.exe	31
PID 2116 wrote to memory of 1732	2116	svchost.exe	31
PID 1732 wrote to memory of 2256	1732	csrcs.exe	32
PID 1732 wrote to memory of 2256	1732	csrcs.exe	32
PID 1732 wrote to memory of 2256	1732	csrcs.exe	32
PID 1732 wrote to memory of 2256	1732	csrcs.exe	32
PID 1732 wrote to memory of 2256	1732	csrcs.exe	32
PID 1732 wrote to memory of 2256	1732	csrcs.exe	32
PID 1732 wrote to memory of 2256	1732	csrcs.exe	32
PID 1732 wrote to memory of 2256	1732	csrcs.exe	32

C:\Users\Admin\AppData\Local\Temp\409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\409d1a6ef6366d783a25eb3f1810178f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Users\Admin\AppData\Local\Temp\csrcs.exe
    "C:\Users\Admin\AppData\Local\Temp\csrcs.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1732
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:2256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\csrcs.exe

Filesize
20KB

MD5
409d1a6ef6366d783a25eb3f1810178f

SHA1
63c41f0f94fe69875ea318caf1dd54c83f852514

SHA256
7bb2e5f8bcf6ee91fc65dcdd9617827fcf6ea9b31708b260f6c4fd3593c98f73

SHA512
c3db7abe0a42ca10aeeb84c6aebe63f87c678282b27939af62e2402db5ce95bfa67886c1a875cec8ab4671f6cbac3510f2143b1edca6df15521d74289dea65e6

Download Submit
memory/2116-5-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/2116-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2116-13-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads