systembc | 0d6ce18f06c63db09a1691fec3b07c4995c7188fa4e31ee0b93f9c04c9f86f97

Analysis

max time kernel
145s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 05:56

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General

Target

eab6164feb7d381e1562600465759fbe_JaffaCakes118.exe
Size

129KB
MD5

eab6164feb7d381e1562600465759fbe
SHA1

72b645113831a1560c01b424267b5ce5ea37618c
SHA256

0d6ce18f06c63db09a1691fec3b07c4995c7188fa4e31ee0b93f9c04c9f86f97
SHA512

9e5bdb1bba697f443330ec4dad6e9109e3a70ade1c9129b1259cf54532f52218bb1b470dca78815143635c89036acd79581edf6090cda874f2d364eb46de4aee
SSDEEP

1536:+q5TGp6BnjYkHIFp/Qgg2yIgznPb67VPVNJQChVO5Wcs24qz:+mkFp/Qgg3TznDENnhVO5Wce

Score

10^/10

systembc discovery trojan

Malware Config

Extracted

Family

systembc

91.243.83.73

Attributes

dns
5.132.191.104

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc

Executes dropped EXE 1 IoCs

pid	Process
2752	whrs.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Test Task17.job	eab6164feb7d381e1562600465759fbe_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	whrs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eab6164feb7d381e1562600465759fbe_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2752	2948	taskeng.exe	32
PID 2948 wrote to memory of 2752	2948	taskeng.exe	32
PID 2948 wrote to memory of 2752	2948	taskeng.exe	32
PID 2948 wrote to memory of 2752	2948	taskeng.exe	32

C:\Users\Admin\AppData\Local\Temp\eab6164feb7d381e1562600465759fbe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eab6164feb7d381e1562600465759fbe_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2512

C:\Windows\system32\taskeng.exe
taskeng.exe {CDDD9572-3444-414A-8CB0-E289D57F6E14} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\ProgramData\ewnqf\whrs.exe
  C:\ProgramData\ewnqf\whrs.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2752

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\ewnqf\whrs.exe

Filesize
129KB

MD5
eab6164feb7d381e1562600465759fbe

SHA1
72b645113831a1560c01b424267b5ce5ea37618c

SHA256
0d6ce18f06c63db09a1691fec3b07c4995c7188fa4e31ee0b93f9c04c9f86f97

SHA512
9e5bdb1bba697f443330ec4dad6e9109e3a70ade1c9129b1259cf54532f52218bb1b470dca78815143635c89036acd79581edf6090cda874f2d364eb46de4aee

Download Submit
C:\Windows\Tasks\Test Task17.job

Filesize
214B

MD5
f923f291ff386d639bdfc00728bc394f

SHA1
e15af4c270a0492b67ea1db74a763b9a5deb2ca5

SHA256
155f60cb4e67514e298b084e55535cd1cc5c1a4d32eab60667b854cb0a8da3c2

SHA512
3258b5573189f33675014365e8834108a1aed67f4e462cdfaee641c1a0d833c13e07b06f904e530423445bc2d82d527a8c5d65bf484096667a7ceff5f16403a5

Download Submit
memory/2512-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2512-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2512-5-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2512-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2752-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download