andromeda | ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923

General

Target

ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
Size

134KB
MD5

9b27127591a120499a78544b18d7a5b0
SHA1

3be1098f610d5418ca69bdf087fbd726753ea648
SHA256

ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923
SHA512

27e1ddbb60fc061d7aac00cf909c66538bde43151e1e8a0376f479f60e557fb755caa1721f51975187fb0ff94faaa3377929f0e0f912f2c9f53f42f88d035ba3
SSDEEP

1536:mvy50tV44aqwoa9ujdbNyVXa1lgNdaOCt1kTWiR1:mtWZqwoa9Xa1Idart19u1

Score

10^/10

andromeda backdoor botnet discovery persistence

Malware Config

Signatures

Andromeda family
andromeda
Andromeda, Gamarue
Andromeda, also known as Gamarue, is a modular botnet malware primarily used for distributing other types of malware and it's written in C++.
botnet backdoor andromeda

Detects Andromeda payload. 5 IoCs

resource	yara_rule
behavioral2/memory/1348-0-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral2/memory/1348-2-0x0000000000400000-0x0000000000409000-memory.dmp	family_andromeda
behavioral2/memory/4768-10-0x0000000000FD0000-0x0000000000FD5000-memory.dmp	family_andromeda
behavioral2/memory/4768-12-0x0000000000FD0000-0x0000000000FD5000-memory.dmp	family_andromeda
behavioral2/memory/4768-16-0x0000000000FD0000-0x0000000000FD5000-memory.dmp	family_andromeda

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\43300 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccxfei.cmd"	msiexec.exe

Blocklisted process makes network request 25 IoCs

flow	pid	Process
13	4768	msiexec.exe
14	4768	msiexec.exe
15	4768	msiexec.exe
16	4768	msiexec.exe
17	4768	msiexec.exe
18	4768	msiexec.exe
19	4768	msiexec.exe
20	4768	msiexec.exe
21	4768	msiexec.exe
25	4768	msiexec.exe
26	4768	msiexec.exe
27	4768	msiexec.exe
28	4768	msiexec.exe
52	4768	msiexec.exe
53	4768	msiexec.exe
54	4768	msiexec.exe
55	4768	msiexec.exe
56	4768	msiexec.exe
57	4768	msiexec.exe
58	4768	msiexec.exe
59	4768	msiexec.exe
60	4768	msiexec.exe
61	4768	msiexec.exe
62	4768	msiexec.exe
63	4768	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 556 set thread context of 1348	556	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe	83

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\ccxfei.cmd	msiexec.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1348	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
1348	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 1348	556	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe	83
PID 556 wrote to memory of 1348	556	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe	83
PID 556 wrote to memory of 1348	556	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe	83
PID 556 wrote to memory of 1348	556	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe	83
PID 556 wrote to memory of 1348	556	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe	83
PID 556 wrote to memory of 1348	556	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe	83
PID 1348 wrote to memory of 4768	1348	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe	84
PID 1348 wrote to memory of 4768	1348	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe	84
PID 1348 wrote to memory of 4768	1348	ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe	84

C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
"C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:556
- C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
  "C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1348
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\syswow64\msiexec.exe
    3⤵
    - Adds policy Run key to start application
    - Blocklisted process makes network request
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    PID:4768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1348-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1348-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4768-5-0x0000000000740000-0x0000000000752000-memory.dmp

Filesize
72KB

Download
memory/4768-7-0x0000000000740000-0x0000000000752000-memory.dmp

Filesize
72KB

Download
memory/4768-9-0x0000000000740000-0x0000000000752000-memory.dmp

Filesize
72KB

Download
memory/4768-10-0x0000000000FD0000-0x0000000000FD5000-memory.dmp

Filesize
20KB

Download
memory/4768-12-0x0000000000FD0000-0x0000000000FD5000-memory.dmp

Filesize
20KB

Download
memory/4768-16-0x0000000000FD0000-0x0000000000FD5000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads