emotet | 1d61aeb3598e592dfaf9f663d1a79e96d9ddb787cc48043c92f3279538da7de9

General

Target

f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe
Size

323KB
MD5

f8a738296c04cc3e8f8ae3222cea52ad
SHA1

99791d54deffb0ca8fb9ed6956ed05097f2fbd6f
SHA256

1d61aeb3598e592dfaf9f663d1a79e96d9ddb787cc48043c92f3279538da7de9
SHA512

c4e969de885027c9053e419281c03176a4ac74cf3014fc7afe86403996776b4359657d4b0a9360f8eeaa97782300ec4af6d22a8a5f2b789703f0cadf58caf686
SSDEEP

1536:3sd1XVvJzpp4K/YOaHEa51k90QTbZUBTBeidkV2MPUaV0SfnPWrhGU:3sbFvJu1/GP+B97MPDTWr

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

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	iwamregtag.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	iwamregtag.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	iwamregtag.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	iwamregtag.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	f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iwamregtag.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iwamregtag.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	iwamregtag.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	iwamregtag.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	iwamregtag.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3440	f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe
3440	f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe
3416	f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe
3416	f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe
2196	iwamregtag.exe
2196	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe
3236	iwamregtag.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3416	f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 3416	3440	f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe	89
PID 3440 wrote to memory of 3416	3440	f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe	89
PID 3440 wrote to memory of 3416	3440	f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe	89
PID 2196 wrote to memory of 3236	2196	iwamregtag.exe	91
PID 2196 wrote to memory of 3236	2196	iwamregtag.exe	91
PID 2196 wrote to memory of 3236	2196	iwamregtag.exe	91

C:\Users\Admin\AppData\Local\Temp\f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f8a738296c04cc3e8f8ae3222cea52ad_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:3416

C:\Windows\SysWOW64\iwamregtag.exe
"C:\Windows\SysWOW64\iwamregtag.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\iwamregtag.exe
  "C:\Windows\SysWOW64\iwamregtag.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:3236

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=4444,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
1⤵
PID:1228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2196-15-0x00000000006F0000-0x00000000006FD000-memory.dmp

Filesize
52KB

Download
memory/2196-29-0x00000000006F0000-0x00000000006FD000-memory.dmp

Filesize
52KB

Download
memory/2196-21-0x0000000000710000-0x0000000000720000-memory.dmp

Filesize
64KB

Download
memory/2196-20-0x0000000000700000-0x000000000070D000-memory.dmp

Filesize
52KB

Download
memory/2196-16-0x0000000000700000-0x000000000070D000-memory.dmp

Filesize
52KB

Download
memory/3236-23-0x00000000009D0000-0x00000000009DD000-memory.dmp

Filesize
52KB

Download
memory/3236-22-0x00000000007C0000-0x00000000007CD000-memory.dmp

Filesize
52KB

Download
memory/3236-32-0x00000000007C0000-0x00000000007CD000-memory.dmp

Filesize
52KB

Download
memory/3236-28-0x00000000009E0000-0x00000000009F0000-memory.dmp

Filesize
64KB

Download
memory/3236-27-0x00000000009D0000-0x00000000009DD000-memory.dmp

Filesize
52KB

Download
memory/3416-7-0x0000000000600000-0x000000000060D000-memory.dmp

Filesize
52KB

Download
memory/3416-13-0x0000000000610000-0x0000000000620000-memory.dmp

Filesize
64KB

Download
memory/3416-11-0x0000000000600000-0x000000000060D000-memory.dmp

Filesize
52KB

Download
memory/3416-30-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3416-12-0x00000000005F0000-0x00000000005FD000-memory.dmp

Filesize
52KB

Download
memory/3416-31-0x00000000005F0000-0x00000000005FD000-memory.dmp

Filesize
52KB

Download
memory/3440-5-0x0000000000610000-0x000000000061D000-memory.dmp

Filesize
52KB

Download
memory/3440-0-0x0000000000A40000-0x0000000000A4D000-memory.dmp

Filesize
52KB

Download
memory/3440-4-0x0000000000A40000-0x0000000000A4D000-memory.dmp

Filesize
52KB

Download
memory/3440-6-0x0000000000A50000-0x0000000000A60000-memory.dmp

Filesize
64KB

Download
memory/3440-14-0x0000000000610000-0x000000000061D000-memory.dmp

Filesize
52KB

Download

Analysis

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