b6ef04e5cf15465266da7ef12c4c1912524a21d44106e685e1506c85835fe4f9

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01/08/2024, 21:31

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General

Target

81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe
Size

146KB
MD5

81cc7b84093aed5aebe2553c5322cea4
SHA1

fbc6806c89e44ed08e56195fde8c53f181cbdd8e
SHA256

b6ef04e5cf15465266da7ef12c4c1912524a21d44106e685e1506c85835fe4f9
SHA512

1a23ce318e3a0d1cf3da467d2a6a9e057476ad514b6ec620562edf6f8cf26dc8737ac829df02e51a4149e564f789e3ef4489a9256be840b75cb0a81b105d1e62
SSDEEP

3072:DdHuf+/PkWRznCLDHBONLmNcAmrj6cul4/ILAUU:J7XvdCLzUNCcAaj6cul8IL

Score

7^/10

discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2312	cmd.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2500-11-0x0000000000400000-0x000000000043A000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 2312	2500	81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe	31

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	81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2500	81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe
2500	81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2312	2500	81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe	31
PID 2500 wrote to memory of 2312	2500	81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe	31
PID 2500 wrote to memory of 2312	2500	81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe	31
PID 2500 wrote to memory of 2312	2500	81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe	31
PID 2500 wrote to memory of 2312	2500	81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81cc7b84093aed5aebe2553c5322cea4_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2500-1-0x00000000003C0000-0x00000000003C4000-memory.dmp

Filesize
16KB

Download
memory/2500-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2500-10-0x0000000000500000-0x000000000051E000-memory.dmp

Filesize
120KB

Download
memory/2500-6-0x0000000000500000-0x000000000051E000-memory.dmp

Filesize
120KB

Download
memory/2500-12-0x00000000008B0000-0x00000000008EA000-memory.dmp

Filesize
232KB

Download
memory/2500-11-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2500-2-0x0000000000500000-0x000000000051E000-memory.dmp

Filesize
120KB

Download
memory/2500-14-0x0000000000500000-0x000000000051E000-memory.dmp

Filesize
120KB

Download
memory/2500-16-0x0000000000500000-0x000000000051E000-memory.dmp

Filesize
120KB

Download