ef31a140496f2d1dfe981e10da8f42d40f10858e416c3b5a693c8f9e6eec6ad5

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13-10-2024 15:40

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General

Target

40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe
Size

190KB
MD5

40ae88a62c82c3c83e474d043c2080ee
SHA1

81b7d2407c96824e2ee5cc683e62caef76dd2437
SHA256

ef31a140496f2d1dfe981e10da8f42d40f10858e416c3b5a693c8f9e6eec6ad5
SHA512

9df4a024e33b1875d0f59fefe4c0fc6e99d6bb9e800c1117599927c7c4a3ba280e24b3512487f714ab8c09ed985c5fdc95564e37d7c4be511a74fbb7c41d76be
SSDEEP

3072:DUdB8d1ppSnDkMFVlc+iVc8RTzYJAp9WTE8f5iWWH9a+0fNpf7faP8S8a:DUv61oV1ccJNTDYH9R8pf7y

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2832	Otatua.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	Otatua.exe
File created	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe
File opened for modification	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe
File created	C:\Windows\Otatua.exe	40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe
File opened for modification	C:\Windows\Otatua.exe	40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe
File created	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	Otatua.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	40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Otatua.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\International	Otatua.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe
2832	Otatua.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2180	40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe
2832	Otatua.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2832	2180	40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2832	2180	40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2832	2180	40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2832	2180	40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\40ae88a62c82c3c83e474d043c2080ee_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\Otatua.exe
  C:\Windows\Otatua.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Otatua.exe

Filesize
190KB

MD5
40ae88a62c82c3c83e474d043c2080ee

SHA1
81b7d2407c96824e2ee5cc683e62caef76dd2437

SHA256
ef31a140496f2d1dfe981e10da8f42d40f10858e416c3b5a693c8f9e6eec6ad5

SHA512
9df4a024e33b1875d0f59fefe4c0fc6e99d6bb9e800c1117599927c7c4a3ba280e24b3512487f714ab8c09ed985c5fdc95564e37d7c4be511a74fbb7c41d76be

Download Submit
C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job

Filesize
372B

MD5
eab5c738a7da0e3430c91a7a345d6a89

SHA1
6e3475c2fe6165803664a1d1e1c0fc1d37f3d174

SHA256
982bc2197b418afd44d4b89ac3b4659934cd8ea282d730520427630d31604f68

SHA512
24fa73a8eb0b61e9d1a477d2c200b8a78b60f2bde4a00f9df57a88959b14d35f99ca3a6f594722789c0791fb8e595c362a4aada3dc9229c025587f40ea346dda

Download Submit
memory/2180-6929-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2180-1-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2180-0-0x00000000000B0000-0x00000000000C8000-memory.dmp

Filesize
96KB

Download
memory/2180-10861-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-14444-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-44722-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-11195-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-10-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-15170-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-21289-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-27520-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-37875-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-8497-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-45498-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-45499-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-45501-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-45502-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-45503-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-45504-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2832-45505-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download