2a0b0cf8b8827eceb9fe030354f8ab79828db3d0b04dbbdc4054b40bed59dd2d

Analysis

max time kernel
150s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 02:45

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General

Target

a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe
Size

10KB
MD5

a0eae46f3ceabc047ec519f9651482c6
SHA1

c8eb8537797a31c2c0c57b7836bf54a1a8c8c4b5
SHA256

2a0b0cf8b8827eceb9fe030354f8ab79828db3d0b04dbbdc4054b40bed59dd2d
SHA512

84f54ac2442ff531a659140d931e4b8e5dbb154b534691e98f8dfcbad2b819246a1d578663e0c9319b65c1467aaa3b93934d07f0f5d030c5392dc18d8567136c
SSDEEP

192:zgzxM9W2r3Fbu3AGBMWW9K+xpGGy/n6kJaFjQpcBg:Mz61bu3BMWW9K+hkJYQqg

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
1392	rmchampk.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4028-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/files/0x0007000000023437-4.dat	upx
behavioral2/memory/4028-6-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/1392-9-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rmchamp.dll	a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\rmchampk.exe	a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\rmchampk.exe	a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe

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	rmchampk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 1392	4028	a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe	84
PID 4028 wrote to memory of 1392	4028	a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe	84
PID 4028 wrote to memory of 1392	4028	a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe	84
PID 4028 wrote to memory of 4720	4028	a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe	97
PID 4028 wrote to memory of 4720	4028	a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe	97
PID 4028 wrote to memory of 4720	4028	a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4028
- C:\Windows\SysWOW64\rmchampk.exe
  C:\Windows\system32\rmchampk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1392
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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

C:\Users\Admin\AppData\Local\Temp\a0eae46f3ceabc047ec519f9651482c6_JaffaCakes118.exe.bat

Filesize
210B

MD5
0771629d369f6945681039f2a124704f

SHA1
fe15a3b6929b6326e617c9fa1b2909fefe9609f7

SHA256
f1aec32a16681180591a6be5dcc52c12785d28b38b4d0285c2def65793bb7be3

SHA512
3aef6c4ec234b499134a55d7e9274910a3737a49fbbb2c0a42c00ec33935a023f9a518764ca7e3f9a49a671e364430a1f122cf3576a37eade78074f90cb60354

Download Submit
C:\Windows\SysWOW64\rmchampk.exe

Filesize
10KB

MD5
a0eae46f3ceabc047ec519f9651482c6

SHA1
c8eb8537797a31c2c0c57b7836bf54a1a8c8c4b5

SHA256
2a0b0cf8b8827eceb9fe030354f8ab79828db3d0b04dbbdc4054b40bed59dd2d

SHA512
84f54ac2442ff531a659140d931e4b8e5dbb154b534691e98f8dfcbad2b819246a1d578663e0c9319b65c1467aaa3b93934d07f0f5d030c5392dc18d8567136c

Download Submit
memory/1392-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4028-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4028-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download