2ca4f8006b5eddcbf87895299660f90ff6bad708c5b4b5be93d4d430288216f1

General

Target

efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe
Size

583KB
MD5

efba2f0fef43c9d866b89e8757e898bd
SHA1

e10321ce870752b5a630c56461dc630a6b69a246
SHA256

2ca4f8006b5eddcbf87895299660f90ff6bad708c5b4b5be93d4d430288216f1
SHA512

dd36c21438e6c32e4104e30bf44e0462dab0fe598cb8e21576eca193758e3d04465f7f96d9d557f19a42306a2f1b49252899ea6aa42e7252df330054ed80e5d7
SSDEEP

6144:iVL0nt7DmqF7f3WuBJweg1jtblBdrUGTHLR4XKKKMjDXXSR+AauJMwL0d:cuvf3WuBJylfXt4Xjjg+A6G0

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\refghjgiuy.lnk	refghjgiuy.exe

Executes dropped EXE 1 IoCs

pid	Process
3532	refghjgiuy.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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	refghjgiuy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4580	efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe
Token: SeDebugPrivilege	3532	refghjgiuy.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 4824	4580	efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe	91
PID 4580 wrote to memory of 4824	4580	efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe	91
PID 4580 wrote to memory of 4824	4580	efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe	91
PID 4580 wrote to memory of 4440	4580	efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe	93
PID 4580 wrote to memory of 4440	4580	efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe	93
PID 4580 wrote to memory of 4440	4580	efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe	93
PID 4440 wrote to memory of 3532	4440	cmd.exe	95
PID 4440 wrote to memory of 3532	4440	cmd.exe	95
PID 4440 wrote to memory of 3532	4440	cmd.exe	95
PID 3532 wrote to memory of 916	3532	refghjgiuy.exe	96
PID 3532 wrote to memory of 916	3532	refghjgiuy.exe	96
PID 3532 wrote to memory of 916	3532	refghjgiuy.exe	96

C:\Users\Admin\AppData\Local\Temp\efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\efba2f0fef43c9d866b89e8757e898bd_JaffaCakes118.exe" "C:\Users\Admin\AppData\Roaming\refghjgiuy.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Roaming\refghjgiuy.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Users\Admin\AppData\Roaming\refghjgiuy.exe
    "C:\Users\Admin\AppData\Roaming\refghjgiuy.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3532
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:916

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\refghjgiuy.exe

Filesize
583KB

MD5
efba2f0fef43c9d866b89e8757e898bd

SHA1
e10321ce870752b5a630c56461dc630a6b69a246

SHA256
2ca4f8006b5eddcbf87895299660f90ff6bad708c5b4b5be93d4d430288216f1

SHA512
dd36c21438e6c32e4104e30bf44e0462dab0fe598cb8e21576eca193758e3d04465f7f96d9d557f19a42306a2f1b49252899ea6aa42e7252df330054ed80e5d7

Download Submit
memory/3532-23-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/3532-21-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/3532-19-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/3532-18-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/3532-17-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-4-0x0000000005960000-0x0000000005F04000-memory.dmp

Filesize
5.6MB

Download
memory/4580-7-0x000000007524E000-0x000000007524F000-memory.dmp

Filesize
4KB

Download
memory/4580-8-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-9-0x0000000005FF0000-0x0000000006056000-memory.dmp

Filesize
408KB

Download
memory/4580-13-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-6-0x00000000053B0000-0x00000000053F4000-memory.dmp

Filesize
272KB

Download
memory/4580-5-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-0-0x000000007524E000-0x000000007524F000-memory.dmp

Filesize
4KB

Download
memory/4580-3-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/4580-2-0x0000000005250000-0x0000000005268000-memory.dmp

Filesize
96KB

Download
memory/4580-1-0x0000000000830000-0x00000000008C8000-memory.dmp

Filesize
608KB

Download

Analysis

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