emotet | 2ca4803498d7d375a61bfab2a3a4cf7e0eec41d116e50a838791a55b164e0f8c

max time kernel
139s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-01-2025 17:21

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General

Target

Malware-1-master/96591.exe
Size

1.2MB
MD5

568d17d6da77a46e35c8094a7c414375
SHA1

500fa749471dad4ae40da6aa33fd6b2a53bcf200
SHA256

0da56126ffb57acb5bb1a3ffa1c4c0c2605d257988b2d2964344b8f23173f615
SHA512

7beb044f8bd366350b267c0fedc8466d2c5fd80b0f791f5697ce4577edced36b668401fd48df90b6c4ced05247d990c5e739e7232a2dcfc059dcc0c6a79d9427
SSDEEP

12288:D+FwW6Se3oB/8WjH2fIGOVoDJLvfOqsUFY:D+qJSgZwEIGOVUJLnOqs+Y

Score

10^/10

emotet banker discovery trojan

Malware Config

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet
Emotet family
emotet

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	cofireappx.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	96591.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96591.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cofireappx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cofireappx.exe

Modifies data under HKEY_USERS 18 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-bf-13-18-e9-20	cofireappx.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}\de-bf-13-18-e9-20	cofireappx.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	cofireappx.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	cofireappx.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	cofireappx.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}	cofireappx.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}\WpadDecision = "0"	cofireappx.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-bf-13-18-e9-20\WpadDecision = "0"	cofireappx.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	cofireappx.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}\WpadDecisionReason = "1"	cofireappx.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}\WpadDecisionTime = a01916630469db01	cofireappx.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{56DBE031-E3E3-4675-A348-99D3F86995CC}\WpadNetworkName = "Network 3"	cofireappx.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-bf-13-18-e9-20\WpadDecisionTime = a01916630469db01	cofireappx.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	cofireappx.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	cofireappx.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	cofireappx.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	cofireappx.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-bf-13-18-e9-20\WpadDecisionReason = "1"	cofireappx.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2532	96591.exe
2128	96591.exe
2476	cofireappx.exe
2700	cofireappx.exe
2700	cofireappx.exe
2700	cofireappx.exe
2700	cofireappx.exe
2700	cofireappx.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2128	96591.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2128	2532	96591.exe	30
PID 2532 wrote to memory of 2128	2532	96591.exe	30
PID 2532 wrote to memory of 2128	2532	96591.exe	30
PID 2532 wrote to memory of 2128	2532	96591.exe	30
PID 2476 wrote to memory of 2700	2476	cofireappx.exe	32
PID 2476 wrote to memory of 2700	2476	cofireappx.exe	32
PID 2476 wrote to memory of 2700	2476	cofireappx.exe	32
PID 2476 wrote to memory of 2700	2476	cofireappx.exe	32

C:\Users\Admin\AppData\Local\Temp\Malware-1-master\96591.exe
"C:\Users\Admin\AppData\Local\Temp\Malware-1-master\96591.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\Malware-1-master\96591.exe
  "C:\Users\Admin\AppData\Local\Temp\Malware-1-master\96591.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:2128

C:\Windows\SysWOW64\cofireappx.exe
"C:\Windows\SysWOW64\cofireappx.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Windows\SysWOW64\cofireappx.exe
  "C:\Windows\SysWOW64\cofireappx.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2128-28-0x0000000000260000-0x0000000000279000-memory.dmp

Filesize
100KB

Download
memory/2128-13-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/2128-12-0x0000000000260000-0x0000000000279000-memory.dmp

Filesize
100KB

Download
memory/2128-9-0x0000000000280000-0x0000000000299000-memory.dmp

Filesize
100KB

Download
memory/2128-5-0x0000000000280000-0x0000000000299000-memory.dmp

Filesize
100KB

Download
memory/2128-27-0x0000000000400000-0x000000000052A000-memory.dmp

Filesize
1.2MB

Download
memory/2476-24-0x0000000000260000-0x0000000000279000-memory.dmp

Filesize
100KB

Download
memory/2532-11-0x0000000000550000-0x0000000000560000-memory.dmp

Filesize
64KB

Download
memory/2532-4-0x0000000000530000-0x0000000000549000-memory.dmp

Filesize
100KB

Download
memory/2532-1-0x0000000000530000-0x0000000000549000-memory.dmp

Filesize
100KB

Download
memory/2532-10-0x00000000003E0000-0x00000000003F9000-memory.dmp

Filesize
100KB

Download
memory/2700-26-0x00000000003B0000-0x00000000003C9000-memory.dmp

Filesize
100KB

Download
memory/2700-19-0x00000000003D0000-0x00000000003E9000-memory.dmp

Filesize
100KB

Download
memory/2700-23-0x00000000003D0000-0x00000000003E9000-memory.dmp

Filesize
100KB

Download
memory/2700-25-0x0000000000320000-0x0000000000330000-memory.dmp

Filesize
64KB

Download
memory/2700-29-0x00000000003B0000-0x00000000003C9000-memory.dmp

Filesize
100KB

Download