a6e67bad8ad92eb2408c728393bf6f879b6aa95226168162038e97762838dcca

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 17:52

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General

Target

52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe
Size

151KB
MD5

52f15ded65ac36ee36194e0e34e5d676
SHA1

cec20fb9463fae3e9e7d1e15bdba149148473896
SHA256

a6e67bad8ad92eb2408c728393bf6f879b6aa95226168162038e97762838dcca
SHA512

ee422afbb5eadf24ecf72fd2d00f1a710833576820eebd45decd31df3fd8f3f78781b078047f5cbc9ff7c1650a4dec9c7ac5556753f0ec91aedb0e1190a64553
SSDEEP

3072:aKinQUmqpY57u4mslkSlNbRaf7D/mre7B8CEEARYEJ:aKiQoc75mseCA7D/9B6NRYY

Score

7^/10

discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2636	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2824	cfrm.exe
2616	tmp7484.tmp

Loads dropped DLL 2 IoCs

pid	Process
2824	cfrm.exe
2824	cfrm.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2736-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2736-26-0x0000000000400000-0x000000000042D000-memory.dmp	upx

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	52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfrm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	tmp7484.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2824	2736	52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe	31
PID 2736 wrote to memory of 2824	2736	52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe	31
PID 2736 wrote to memory of 2824	2736	52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe	31
PID 2736 wrote to memory of 2824	2736	52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2616	2824	cfrm.exe	33
PID 2824 wrote to memory of 2616	2824	cfrm.exe	33
PID 2824 wrote to memory of 2616	2824	cfrm.exe	33
PID 2824 wrote to memory of 2616	2824	cfrm.exe	33
PID 2736 wrote to memory of 2636	2736	52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe	34
PID 2736 wrote to memory of 2636	2736	52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe	34
PID 2736 wrote to memory of 2636	2736	52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe	34
PID 2736 wrote to memory of 2636	2736	52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\52f15ded65ac36ee36194e0e34e5d676_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- \??\c:\cfrm.exe
  c:\cfrm.exe -autoclean -reboot
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Users\Admin\AppData\Local\Temp\tmp7484.tmp
    C:\Users\Admin\AppData\Local\Temp\tmp7484.tmp -autoclean -reboot -child
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2616
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\3e9a7ca1328320af7aab23f6c9ef0d36.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2636

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

C:\Users\Admin\AppData\Local\Temp\3e9a7ca1328320af7aab23f6c9ef0d36.bat

Filesize
209B

MD5
a5287bb07f02c0f5166cb81c25aaaa40

SHA1
449d5417590555386ce7c7f2bd38c15d2c9e9b84

SHA256
65fc16af0692fe328f689d8bc27690894a1d4f8f2f9a7e4a25be08a7c8640101

SHA512
a3a13790f0278c8365a6305e4e3c1f49fe9416e6a51dcf94fad87294a8b0fbd3c8c36f6d93717b5a3c0e7e00924274257fe72d2e4c7d7317cc4d4f31eeaf258d

Download Submit
C:\cfrm.exe

Filesize
119KB

MD5
7f873faebce05a7a49452b09360cee9a

SHA1
88cacc6658c810135a2f1d84ee36fde01b644a49

SHA256
ad327f7948ad280e830e6f0db4b83f0549a3deada51e888520337ac80436f9e7

SHA512
f7aa4b62a2ea3361237d59dc81f74a05a4783231ee8cfd3d67473f024d374dca435d9d1ed70ea43d226371ff5babaa17200c5774d29792aeca91f377904c3b56

Download Submit
memory/2736-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2736-26-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download