ff2594e55bb31a7db6d0059cc6066a2358d59a0d25ab89f4efacf8d2644c0af2

General

Target

b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe
Size

253KB
MD5

b31ccfe53c49736376dcf64c99b38960
SHA1

eacfc9ae37eb2e8f4560d532ee70669b91f9fccb
SHA256

ff2594e55bb31a7db6d0059cc6066a2358d59a0d25ab89f4efacf8d2644c0af2
SHA512

048ffbdf262d2e3f1a336b0922448ce67f2dfaa96768118c8daa42ea11d3fb6d20e641377bcbfcb8b462f9a19e3ecabd94b7c3e0c96a3c4f0b1a1d495a66bc49
SSDEEP

6144:u2FwvQg2JnVVOXTnllzr1PiErVZMbNswsJiMI:MvJyV6xJQeVZMbNsw7MI

Score

8^/10

discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\mysys = "C:\\Program Files\\Messager\\aekz.exe"	aekz.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	aekz.exe

Executes dropped EXE 1 IoCs

pid	Process
2572	aekz.exe

Loads dropped DLL 8 IoCs

pid	Process
1476	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe
1476	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe
1476	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe
2572	aekz.exe
2572	aekz.exe
2572	aekz.exe
2572	aekz.exe
2572	aekz.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\somarshal.dat	aekz.exe
File opened for modification	C:\Windows\SysWOW64\mprmsgse.axp	aekz.exe
File opened for modification	C:\Windows\SysWOW64\domspring.dat	aekz.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File created	C:\Program Files\Messager\MadPea.dll	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe
File created	C:\Program Files\Messager\aekz.exe	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe
File created	C:\Program Files\Messager\1.2.8\MadPea.dll	aekz.exe
File opened for modification	C:\Program Files\Messager\1.2.8\MadPea.dll	aekz.exe
File opened for modification	C:\Program Files\Messager\Config.cfg	aekz.exe
File created	C:\Program Files\Messager\baae.dll	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.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 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	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aekz.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2572	aekz.exe
2572	aekz.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2572	aekz.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 2572	1476	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe	30
PID 1476 wrote to memory of 2572	1476	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe	30
PID 1476 wrote to memory of 2572	1476	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe	30
PID 1476 wrote to memory of 2572	1476	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe	30
PID 1476 wrote to memory of 2572	1476	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe	30
PID 1476 wrote to memory of 2572	1476	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe	30
PID 1476 wrote to memory of 2572	1476	b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b31ccfe53c49736376dcf64c99b38960_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Program Files\Messager\aekz.exe
  "C:\Program Files\Messager\aekz.exe"
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2572

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 Information Discovery

1

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

\Program Files\Messager\1.2.8\MadPea.dll

Filesize
140KB

MD5
0bad204155a6281c8328fcb630e1dd4a

SHA1
1d4dd1f0829454cef4c11322a76e7a9c635ad412

SHA256
11a2b77cdd221606b13176ef9989f05c037489c069464b12f69d16d35019d4b0

SHA512
458a9f5a3fda26bb468da65d5b4695b350c25c33c14ff34f6b859b3741142b22fff4d039ce62f47d004381f6707e8ff4e27240248c32ec0dee4ada3e78e0bbcd

Download Submit
\Program Files\Messager\aekz.exe

Filesize
32KB

MD5
c7409bb97732b4e975195609f462dd29

SHA1
9a1c81f8931c1c3c359a6f137459e00684c81b75

SHA256
9ad9d997901d3bf447bb3a4088f613b6494a875b0f98b2c45010078fc620b0c6

SHA512
0567d286600dfc38e12e9042563a5e0cca4ddb1bff017db58f728376b81bcaa10c5af0f54c921909f9306bee0be6b6cc04fa4964c14e4c742148681a490bccad

Download Submit
\Program Files\Messager\baae.dll

Filesize
342KB

MD5
f41517d0afd7c7280da8e51da9c6433e

SHA1
a02a06ef8649578c1f0f9ebfdacb3cbb9949997b

SHA256
5d4b1c54118c5d7da3da7d0bb97a3ee2b1f0c5761a4aa8294332035fcf410589

SHA512
fb16561945cfb9d266096fd855ae8d246311088015e4fc2ef33bdf88ca6b85c6878b6b22ba3168487c626d221b14c6cfc911f7004567fa18ffce9ed8f7fee740

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8528.tmp\System.dll

Filesize
10KB

MD5
4eff5fafd746f5decb93a44e3a3d570c

SHA1
a11aa7681b7e2df1c7f7492a127d332d1495ea8a

SHA256
cf61ddd15d63c25a12caee70f51ea736cfc02195c42e56ee01b33f689d3754c5

SHA512
cde82d2a1f28506e4c2264f6b82017a00af32f138ebcdbaf4cc58463870fa626f708aa57465294c5a6f096c886841e7b9112b85bf3ea2f1d8f2da816b51b2d72

Download Submit
memory/2572-30-0x0000000000B10000-0x0000000000B36000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads