e08fc60fe4fceb0f6398bba45d2f17e70251190b7e3beba054ac94fcc9dd49d0

General

Target

b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
Size

16KB
MD5

b26bd0bbd258c0bcbc22668ed236131a
SHA1

74835b41e078c6048fc5b3621f330607705c175e
SHA256

e08fc60fe4fceb0f6398bba45d2f17e70251190b7e3beba054ac94fcc9dd49d0
SHA512

c61cb03db915adb906c9543089b7132755b8b696c060269f32fa6b9a11988e33bbaf9742d19de4045a08c87c2ac0f283fa236687ba9a7646c638fdc4fcc6aad9
SSDEEP

384:glHNwyZSEqpd/N9+vPqiHFGGEMFLHOqyEZlEYaXZbi7y:glLShx8nqTLHfE8Yaw

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2968	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2392-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral1/memory/2392-11-0x0000000000400000-0x0000000000411000-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 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\dnteh.cfg	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\dnteh.dll	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\dnteh.dll	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fdght.dll	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fdght.dll	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe

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	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
Token: SeDebugPrivilege	2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 1276	2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe	21
PID 2392 wrote to memory of 1276	2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe	21
PID 2392 wrote to memory of 2968	2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe	30
PID 2392 wrote to memory of 2968	2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe	30
PID 2392 wrote to memory of 2968	2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe	30
PID 2392 wrote to memory of 2968	2392	b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1276
- C:\Users\Admin\AppData\Local\Temp\b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\b26bd0bbd258c0bcbc22668ed236131a_JaffaCakes118.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2968

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

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

\Windows\SysWOW64\dnteh.dll

Filesize
30KB

MD5
ea34ca7dbac682bf6942bf1ba99df606

SHA1
9096fe535a66bb7f19f5c496a19748f30e6616e1

SHA256
e3223ecc669fb5626730288f1ae60ce9848126d2f9d6e7317545078cd6a20c92

SHA512
a474588094662d928d95cf83eff48f6a24269b1dcba0e630cc408711931a4fe59d44d50c0dc99589df85186c510d8ae418a520dc396cb9b163656060c9dc9f3b

Download Submit
memory/1276-8-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2392-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2392-11-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

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