systembc | 1cedcf44e5a84003594d9d463f56663f8d49b330a3ee9de1d1580e66e3991d08

Analysis

max time kernel
146s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 14:36

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General

Target

d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe
Size

107KB
MD5

d494df1152d1411f473c423482d14a9f
SHA1

b3d1dd036a011038999c311445ebd7d75fed0c63
SHA256

1cedcf44e5a84003594d9d463f56663f8d49b330a3ee9de1d1580e66e3991d08
SHA512

86e15f5e280cd7365b6dd63044a2747d11e5c56df04af162035f9e07889b87810e2f80764d65b7e4d7e36ea6e0ccde1cc6798cabdc8e67f02ce1b4a1254ee1b4
SSDEEP

3072:yaUGwDRXvZgFGgU9MGBRasLehuWLs+8lRo+36XE8gC:y/xR/GFG9nLiuWLs/qU8gC

Score

10^/10

systembc discovery trojan upx

Malware Config

Extracted

Family

systembc

91.243.82.99

Attributes

dns
5.132.191.104

92.163.33.248

206.189.120.27

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Executes dropped EXE 2 IoCs

Processes:

ephd.exeephd.exe

pid process

1620 ephd.exe
4716 ephd.exe

pid	process
1620	ephd.exe
4716	ephd.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1984-0-0x0000000000400000-0x0000000000447000-memory.dmp	upx
C:\ProgramData\eomxxmo\ephd.exe	upx

Drops file in Windows directory 2 IoCs

Processes:

d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\Tasks\corolina17.job	d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe
File opened for modification	C:\Windows\Tasks\corolina17.job	d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe

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

Processes:

ephd.exed494df1152d1411f473c423482d14a9f_JaffaCakes118.exeephd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ephd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ephd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe

pid process

1984 d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe
1984 d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe

pid	process
1984	d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe
1984	d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d494df1152d1411f473c423482d14a9f_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1984

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3840,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8
1⤵
PID:3040

C:\ProgramData\eomxxmo\ephd.exe
C:\ProgramData\eomxxmo\ephd.exe start2
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1620

C:\ProgramData\eomxxmo\ephd.exe
C:\ProgramData\eomxxmo\ephd.exe start2
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4716

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

Replay Monitor

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Downloads

C:\ProgramData\eomxxmo\ephd.exe

Filesize
107KB

MD5
d494df1152d1411f473c423482d14a9f

SHA1
b3d1dd036a011038999c311445ebd7d75fed0c63

SHA256
1cedcf44e5a84003594d9d463f56663f8d49b330a3ee9de1d1580e66e3991d08

SHA512
86e15f5e280cd7365b6dd63044a2747d11e5c56df04af162035f9e07889b87810e2f80764d65b7e4d7e36ea6e0ccde1cc6798cabdc8e67f02ce1b4a1254ee1b4

Download Submit
memory/1620-31-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1620-15-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1620-14-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1984-4-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1984-8-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1984-6-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1984-0-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1984-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1984-28-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1984-2-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/4716-34-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/4716-35-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download