97e78b98e54d5c2480c459ac2322aa5bdd0e684dac0c436eca4f66265a6eee92

General

Target

ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe
Size

227KB
MD5

ff865b56369afeee3a738ce2406e0fc9
SHA1

a8b9fd1d5b863c454325cc1f51e30a14ea2a28df
SHA256

97e78b98e54d5c2480c459ac2322aa5bdd0e684dac0c436eca4f66265a6eee92
SHA512

d373d5f6b36556dba1b35d0fe9202691d4a060966b98154004e462e2c6eca3cf712b4bcbb84c484dad2ed409d61d149745a4e107251fb74ed63279bfe518653a
SSDEEP

6144:zqFKBcr0l3pFBq+2GRuZM/lGVBvJgvhj:2FKaYNnB1H/loJ6j

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation	ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	uvkfwd.exe

Loads dropped DLL 1 IoCs

pid	Process
2704	uvkfwd.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
4596	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4104	PING.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2704	uvkfwd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4596	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2704	uvkfwd.exe
2704	uvkfwd.exe
2704	uvkfwd.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2704	uvkfwd.exe
2704	uvkfwd.exe
2704	uvkfwd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 3224	4448	ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe	87
PID 4448 wrote to memory of 3224	4448	ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe	87
PID 4448 wrote to memory of 3224	4448	ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe	87
PID 3224 wrote to memory of 4596	3224	cmd.exe	89
PID 3224 wrote to memory of 4596	3224	cmd.exe	89
PID 3224 wrote to memory of 4596	3224	cmd.exe	89
PID 3224 wrote to memory of 4104	3224	cmd.exe	93
PID 3224 wrote to memory of 4104	3224	cmd.exe	93
PID 3224 wrote to memory of 4104	3224	cmd.exe	93
PID 3224 wrote to memory of 2704	3224	cmd.exe	96
PID 3224 wrote to memory of 2704	3224	cmd.exe	96
PID 3224 wrote to memory of 2704	3224	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 4448 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\uvkfwd.exe -f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3224
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 4448
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4596
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:4104
- - C:\Users\Admin\AppData\Local\uvkfwd.exe
    C:\Users\Admin\AppData\Local\uvkfwd.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\uvkfwd.exe

Filesize
227KB

MD5
ff865b56369afeee3a738ce2406e0fc9

SHA1
a8b9fd1d5b863c454325cc1f51e30a14ea2a28df

SHA256
97e78b98e54d5c2480c459ac2322aa5bdd0e684dac0c436eca4f66265a6eee92

SHA512
d373d5f6b36556dba1b35d0fe9202691d4a060966b98154004e462e2c6eca3cf712b4bcbb84c484dad2ed409d61d149745a4e107251fb74ed63279bfe518653a

Download Submit
memory/2704-14-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2704-18-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2704-31-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2704-29-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2704-9-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2704-10-0x0000000002B00000-0x0000000002B02000-memory.dmp

Filesize
8KB

Download
memory/2704-27-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2704-12-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2704-16-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2704-25-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2704-20-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2704-23-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/4448-0-0x0000000002C10000-0x0000000002C11000-memory.dmp

Filesize
4KB

Download
memory/4448-1-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/4448-3-0x0000000002C00000-0x0000000002C02000-memory.dmp

Filesize
8KB

Download
memory/4448-4-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download

Analysis

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