8de5b0193c36351229897e4e1818b6a0082af359d05a6ecd60242f1420c0eede

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 17:52

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General

Target

35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe
Size

80KB
MD5

35c4d9423dbd514ac62b31c7e70e0c3f
SHA1

f5163a43b85467dd9f5aaf6b660083091e24d7d6
SHA256

8de5b0193c36351229897e4e1818b6a0082af359d05a6ecd60242f1420c0eede
SHA512

52997c0bcde0bcb5da7143dd6a3bc48a95461236ed2da05f410ebf64ab1731ee46897a6ec4006608ac05e4f1d362bd338c45526f6345010aa60969e9616da786
SSDEEP

1536:5q43FkDrV3ny9yaXkkd/N5Qsk8vO19sQKY:5Ao1LQsVS

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2948	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1920	7Kv02s2f.exe

Loads dropped DLL 2 IoCs

pid	Process
2388	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe
2388	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2388-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2388-1-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2388-6-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/files/0x0037000000016ed2-11.dat	upx
behavioral1/memory/1920-19-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/1920-25-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\7Kv02s2f.exe	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\7Kv02s2f.exe	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\7Kv02s2f.exe.a_a	7Kv02s2f.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2388	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 1920	2388	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe	31
PID 2388 wrote to memory of 1920	2388	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe	31
PID 2388 wrote to memory of 1920	2388	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe	31
PID 2388 wrote to memory of 1920	2388	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe	31
PID 2388 wrote to memory of 2948	2388	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe	32
PID 2388 wrote to memory of 2948	2388	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe	32
PID 2388 wrote to memory of 2948	2388	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe	32
PID 2388 wrote to memory of 2948	2388	35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\35c4d9423dbd514ac62b31c7e70e0c3f_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\7Kv02s2f.exe
  "C:\Windows\system32\7Kv02s2f.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:1920
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\35C4D9~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\7Kv02s2f.exe

Filesize
80KB

MD5
35c4d9423dbd514ac62b31c7e70e0c3f

SHA1
f5163a43b85467dd9f5aaf6b660083091e24d7d6

SHA256
8de5b0193c36351229897e4e1818b6a0082af359d05a6ecd60242f1420c0eede

SHA512
52997c0bcde0bcb5da7143dd6a3bc48a95461236ed2da05f410ebf64ab1731ee46897a6ec4006608ac05e4f1d362bd338c45526f6345010aa60969e9616da786

Download Submit
memory/1920-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1920-25-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2388-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2388-1-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2388-6-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download