f76a3936bbb22480dbf41a676ccf8fe5d4f1e3a51c77868a36217c10cf1100fe

General

Target

1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
Size

848KB
MD5

1289cb9081b3188951ad7a023f352fc0
SHA1

180ec90692c7062292ee1a2e3dabbc8fa044d16e
SHA256

f76a3936bbb22480dbf41a676ccf8fe5d4f1e3a51c77868a36217c10cf1100fe
SHA512

ffcf553cfbca916e76ea4ef92f6b18cae8e20fd9efeb90e9c3e478acb97bb9b9a654c4959392ee4760c825677c43fd607ec76fa6d0c0dcaf1e6dd46bda8d54cc
SSDEEP

12288:jJgAUN5yymszEDoH5lMTRmzF+xkRqBAH+T+sRgkgmZrQUDpu:q5yydIcZlkmzE2ABMctiI8eu

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\nmcsph	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\nmcsph\StubPath = "C:\\Windows\\system32\\nmcsph.exe"	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\services	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4992	srv32.exe

Drops file in System32 directory 21 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\srv32.exe	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kdqph.pgg	srv32.exe
File created	C:\Windows\SysWOW64\qptaqcp.ced	srv32.exe
File created	C:\Windows\SysWOW64\jggc.dva	srv32.exe
File created	C:\Windows\SysWOW64\cvll.eyo	srv32.exe
File created	C:\Windows\SysWOW64\ogvtyu.gmu	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\nmcsph.exe	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\jfxjrfd.tnh	srv32.exe
File created	C:\Windows\SysWOW64\oeghdnl.mcp	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vqjq.mbu	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ofoa.nej	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vrrkwqs.vli	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ddut.gdc	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ujicume.bfq	srv32.exe
File created	C:\Windows\SysWOW64\qqcs.bsm	srv32.exe
File created	C:\Windows\SysWOW64\ctdstjq.kvm	srv32.exe
File created	C:\Windows\SysWOW64\dcmbvnf.ede	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vsyd.hhp	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\hvbdax.tee	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\srv32.exe	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\dsuy.jst	srv32.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3612-0-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/files/0x00070000000234e8-14.dat	upx
behavioral2/memory/4992-20-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/3612-22-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4992-32-0x0000000000400000-0x000000000042B000-memory.dmp	upx

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	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	srv32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSystemtimePrivilege	3612	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3612	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3612	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3612	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 4992	3612	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe	82
PID 3612 wrote to memory of 4992	3612	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe	82
PID 3612 wrote to memory of 4992	3612	1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1289cb9081b3188951ad7a023f352fc0_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Drops file in Drivers directory
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3612
- C:\Windows\SysWOW64\srv32.exe
  "C:\Windows\system32\srv32.exe" 7
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:4992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

C:\Windows\SysWOW64\srv32.exe

Filesize
848KB

MD5
1289cb9081b3188951ad7a023f352fc0

SHA1
180ec90692c7062292ee1a2e3dabbc8fa044d16e

SHA256
f76a3936bbb22480dbf41a676ccf8fe5d4f1e3a51c77868a36217c10cf1100fe

SHA512
ffcf553cfbca916e76ea4ef92f6b18cae8e20fd9efeb90e9c3e478acb97bb9b9a654c4959392ee4760c825677c43fd607ec76fa6d0c0dcaf1e6dd46bda8d54cc

Download Submit
memory/3612-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3612-22-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4992-20-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4992-32-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads