6be3ec2d1fed855ff72018eb5cc7ef8a1f52ffc22cfe497768d25cb55fa0dec9

General

Target

aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe
Size

79KB
MD5

aa2ce2a0e0c13ed64fc5f62167ec1a84
SHA1

3bb3cc550dbf88aa7b3046f3aec6126bdd944d8c
SHA256

6be3ec2d1fed855ff72018eb5cc7ef8a1f52ffc22cfe497768d25cb55fa0dec9
SHA512

98f1f511b91751e1e2059c4bb0faf987dad59ee1b1caaedb8ca96d615f940448d809b65132afb274403784ee4e5846b7653f93e78b696fa3268cb2c204313bb8
SSDEEP

1536:IbANjXMohSlkTqOjMwgOCSBo3/mOwbFQQYy4QthCWaNItXsx:IbYxhSlkTdf9O/mLbFN4IUItXe

Score

7^/10

defense_evasion discovery upx

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3728	r6IH82c5.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2588-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/2588-2-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/files/0x0009000000023456-7.dat	upx
behavioral2/memory/3728-13-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\r6IH82c5.exe	aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\r6IH82c5.exe	aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\r6IH82c5.exe	r6IH82c5.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	aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	r6IH82c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2588	aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3728	r6IH82c5.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 3728	2588	aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe	95
PID 2588 wrote to memory of 3728	2588	aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe	95
PID 2588 wrote to memory of 3728	2588	aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe	95
PID 2588 wrote to memory of 3932	2588	aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe	96
PID 2588 wrote to memory of 3932	2588	aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe	96
PID 2588 wrote to memory of 3932	2588	aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe	96
PID 3728 wrote to memory of 3280	3728	r6IH82c5.exe	97
PID 3728 wrote to memory of 3280	3728	r6IH82c5.exe	97
PID 3728 wrote to memory of 3280	3728	r6IH82c5.exe	97

C:\Users\Admin\AppData\Local\Temp\aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aa2ce2a0e0c13ed64fc5f62167ec1a84_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\r6IH82c5.exe
  "C:\Windows\system32\r6IH82c5.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3728
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\SysWOW64\r6IH82c5.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3280
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\AA2CE2~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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:\Windows\SysWOW64\r6IH82c5.exe

Filesize
79KB

MD5
aa2ce2a0e0c13ed64fc5f62167ec1a84

SHA1
3bb3cc550dbf88aa7b3046f3aec6126bdd944d8c

SHA256
6be3ec2d1fed855ff72018eb5cc7ef8a1f52ffc22cfe497768d25cb55fa0dec9

SHA512
98f1f511b91751e1e2059c4bb0faf987dad59ee1b1caaedb8ca96d615f940448d809b65132afb274403784ee4e5846b7653f93e78b696fa3268cb2c204313bb8

Download Submit
memory/2588-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2588-2-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3728-13-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

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