1875971484b4f9cc1a7862092a802dbf5d73c70bb49553ce6a95755077ca1060

General

Target

0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
Size

33KB
MD5

0a6839e64bb42c17f80d7bf26a308f4b
SHA1

fc69d2f7483b9f210b2d7560a616adb44873cff5
SHA256

1875971484b4f9cc1a7862092a802dbf5d73c70bb49553ce6a95755077ca1060
SHA512

d53c1b662ae13a94d23cf3ab9ed67132f6ab56f8e86ff8e48e44ec79b4feb31fc23f0d6c680b2317f6db51847cda567443c28c30fba638b5dd2254d376a3994d
SSDEEP

768:5loQmvgttxobCdTLCQrOcPJ6gP39HkzIm1K9Mci/:5ljmvc/aCTrOcN39Jm1nci/

Score

10^/10

evasion execution spyware stealer upx

Malware Config

Signatures

Disables service(s) 3 TTPs
evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Deletes itself 1 IoCs

pid	Process
3032	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3032	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2156-0-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral1/memory/2156-12-0x0000000000400000-0x0000000000416000-memory.dmp	upx

Drops file in System32 directory 11 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dllcache\midimap.dll	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\dllcache\msimg32.dll	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\sysapp7.dll	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\yuksuser.dll	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\yuksuser.dll	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ksuser.dll	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\yumsimg32.dll	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\msimg32.dll	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\dllcache\ksuser.dll	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\yumidimap.dll	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\midimap.dll	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2104	sc.exe
1424	sc.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 1824	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	28
PID 2156 wrote to memory of 1824	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	28
PID 2156 wrote to memory of 1824	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	28
PID 2156 wrote to memory of 1824	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	28
PID 2156 wrote to memory of 2104	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	29
PID 2156 wrote to memory of 2104	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	29
PID 2156 wrote to memory of 2104	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	29
PID 2156 wrote to memory of 2104	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	29
PID 2156 wrote to memory of 1424	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	30
PID 2156 wrote to memory of 1424	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	30
PID 2156 wrote to memory of 1424	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	30
PID 2156 wrote to memory of 1424	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	30
PID 1824 wrote to memory of 2872	1824	net.exe	34
PID 1824 wrote to memory of 2872	1824	net.exe	34
PID 1824 wrote to memory of 2872	1824	net.exe	34
PID 1824 wrote to memory of 2872	1824	net.exe	34
PID 2156 wrote to memory of 3032	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	35
PID 2156 wrote to memory of 3032	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	35
PID 2156 wrote to memory of 3032	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	35
PID 2156 wrote to memory of 3032	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	35
PID 2156 wrote to memory of 3032	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	35
PID 2156 wrote to memory of 3032	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	35
PID 2156 wrote to memory of 3032	2156	0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe	35

C:\Users\Admin\AppData\Local\Temp\0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0a6839e64bb42c17f80d7bf26a308f4b_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\net.exe
  net stop cryptsvc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop cryptsvc
    3⤵
    PID:2872
- C:\Windows\SysWOW64\sc.exe
  sc config cryptsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:2104
- C:\Windows\SysWOW64\sc.exe
  sc delete cryptsvc
  2⤵
  - Launches sc.exe
  PID:1424
- C:\Windows\SysWOW64\rundll32.exe
  C:\Users\Admin\AppData\Local\Temp\1719257220.dat, ServerMain c:\users\admin\appdata\local\temp\0a6839e64bb42c17f80d7bf26a308f4b_jaffacakes118.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

2

T1569

Service Execution

2

T1569.002

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Service Stop

2

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1719257220.dat

Filesize
32KB

MD5
d3868e7d03d63fcc0e9bd14ec76ca987

SHA1
33297bf303a99aed2672afb1a59a3527557727a4

SHA256
2efa278683d4ef04c30729a6d4b56c68cd043c674fbbc12b9614ad170aedf89e

SHA512
d26db523e288068a72df4fcd64aa8a42454c7df62d918cbd820ebded990ea1c7723922a80bbb70d08bea68858f800a5139e5f400a057aeb62de6f7c7bd689def

Download Submit
memory/2156-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2156-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

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