38e4e36d76cea54d34e92d80fa07267224732a3e7cb3febb9e8198a94086e33e

General

Target

cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe
Size

184KB
MD5

cf25251276b2999c8f7014697f57a7c2
SHA1

01fcbc1ca0a3dde9914724faf96232e9396a11ef
SHA256

38e4e36d76cea54d34e92d80fa07267224732a3e7cb3febb9e8198a94086e33e
SHA512

751dd702f700bd11946d6a9e5a6a05468c8d4f71900b6c2953f3578e1eef987baf3c350132870149c73e2cb25790fe531cc09ba4ee2a90323cb8e7959f83589a
SSDEEP

3072:6vjYbzdwq5vvF70xmmPx22uuzoGmTwaS4XZyAalOwpEpKia:6vjYbzWqpMU2uusfVX4Rpsr

Score

10^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2368-2-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral1/memory/2168-13-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral1/memory/2368-14-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral1/memory/760-88-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral1/memory/760-90-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral1/memory/2368-91-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral1/memory/2368-203-0x0000000000400000-0x0000000000470000-memory.dmp	upx

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	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2168	2368	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	29
PID 2368 wrote to memory of 2168	2368	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	29
PID 2368 wrote to memory of 2168	2368	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	29
PID 2368 wrote to memory of 2168	2368	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	29
PID 2368 wrote to memory of 760	2368	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	31
PID 2368 wrote to memory of 760	2368	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	31
PID 2368 wrote to memory of 760	2368	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	31
PID 2368 wrote to memory of 760	2368	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2168
- C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\0F10.CBC

Filesize
1KB

MD5
00e70ee34206001a1279c8e73497b0d7

SHA1
671e69a0f4301f942642968d710e57b8ac1f153b

SHA256
1f6dbc245ceda2140703e696185133675e1bdc3663f942340a82f7fd2808f961

SHA512
e69b9d33fbd920d6af9e15b9a2941ed49175df2d641c69b352579c2cbb54594159c8e8c791b0875dea31ca1f485ef380bb4ee452430ecbb541cb1f4f78079520

Download Submit
C:\Users\Admin\AppData\Roaming\0F10.CBC

Filesize
600B

MD5
72ce9225d036d094fbbdedb39cb1be1c

SHA1
4db23a7f08587329a04f7120620847b908a1b4b6

SHA256
c360dd744f7f341a14a175a5073d71c0733e5980abf4090ac5da23f09693813b

SHA512
7482cefb2021a10dd7292b55a7a04ecaad187931d0951a5447ce7ccb9cfb6789b4342ffffcde203437b6568178ceb2240258b67378e056f99bd99f6865a39ae5

Download Submit
C:\Users\Admin\AppData\Roaming\0F10.CBC

Filesize
996B

MD5
31f1ba04b8d3a32ad9ffb8d973ad2663

SHA1
4080f5bf8661760aa2a0adde43d1fc70bc3d2ff3

SHA256
6b236961f08f05ff787aa19e7bc556d8623b6b44ddb7061a8867dd2b37e1cf4e

SHA512
69bcc44cf50b8805fb8f0b9db3296676d203656211c84a516106cdb6b46cbe9204745e9a3e9cca31c050b2e10cd78835b96288397822b081be061e8620429719

Download Submit
memory/760-88-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/760-90-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/760-87-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2168-13-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2368-2-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2368-1-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2368-14-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2368-91-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2368-203-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads