ardamax | bd22b354156fb6f18bdfe09f994d932232caee1f852e7457fa3c59f1cfafd1d7

General

Target

JaffaCakes118_f3277af3d904f0b135345145226af74d.exe
Size

481KB
MD5

f3277af3d904f0b135345145226af74d
SHA1

d4ffa8dfe9b54d58c6e175e37787814ac256305d
SHA256

bd22b354156fb6f18bdfe09f994d932232caee1f852e7457fa3c59f1cfafd1d7
SHA512

8e721efbd6fd9696a4e7087559ea85e817b9175906ae81d35787e4cfd7920e161f02a0565b976cc0413d4c0f0fffe25e7873e3093b6695eafdd0bc35bbb67f05
SSDEEP

12288:vX7eZvNplR7+BTzMxKKgdBhX2J9txN08BqzrqnG:6zgVzMxydH2pxuO2qnG

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax
Ardamax family
ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023ce6-12.dat	family_ardamax

Downloads MZ/PE file 1 IoCs

flow	pid	Process
37	3216	Process not Found

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1318997816-2171176372-1451785247-1000\Control Panel\International\Geo\Nation	JaffaCakes118_f3277af3d904f0b135345145226af74d.exe

Executes dropped EXE 1 IoCs

pid	Process
3424	system32EWRL.exe

Loads dropped DLL 1 IoCs

pid	Process
4408	JaffaCakes118_f3277af3d904f0b135345145226af74d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\system32EWRL Agent = "C:\\Windows\\system32EWRL.exe"	system32EWRL.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\system32EWRL.001	JaffaCakes118_f3277af3d904f0b135345145226af74d.exe
File created	C:\Windows\system32EWRL.006	JaffaCakes118_f3277af3d904f0b135345145226af74d.exe
File created	C:\Windows\system32EWRL.007	JaffaCakes118_f3277af3d904f0b135345145226af74d.exe
File created	C:\Windows\system32EWRL.exe	JaffaCakes118_f3277af3d904f0b135345145226af74d.exe
File created	C:\Windows\system32AKV.exe	JaffaCakes118_f3277af3d904f0b135345145226af74d.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 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	JaffaCakes118_f3277af3d904f0b135345145226af74d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32EWRL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4112	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 3424	4408	JaffaCakes118_f3277af3d904f0b135345145226af74d.exe	88
PID 4408 wrote to memory of 3424	4408	JaffaCakes118_f3277af3d904f0b135345145226af74d.exe	88
PID 4408 wrote to memory of 3424	4408	JaffaCakes118_f3277af3d904f0b135345145226af74d.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f3277af3d904f0b135345145226af74d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f3277af3d904f0b135345145226af74d.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4408
- C:\Windows\system32EWRL.exe
  "C:\Windows\system32EWRL.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:3424

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMzNzEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDE5Mjc1MzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjkxNDA2ODMxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4112

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\@5E28.tmp

Filesize
4KB

MD5
d1e6a3b3fec7d6f1d0db1bc02da26d93

SHA1
d7da87bdc09c38836cecd0844bfd587172c076f4

SHA256
bca04b3b3b4b8b416597ecd653056ec98f88e16a57ef64f2143b09ab892a3730

SHA512
327def77c38f293c4e8b4f20a3380bc7c5ba5b72f2431b20f67cbaeb2a4d11c2dd9493e477d36de88d75cf185b8fc2936fd6eee3cfa9bcd5620e0fc054f232f8

Download Submit
C:\Windows\system32EWRL.001

Filesize
500B

MD5
d844a39311d593fd1bf038e347b43c45

SHA1
fb157594f3f6a70c574aad4fa4b4510cf33697be

SHA256
2597707dd45df7aac4f10d7df3db3d73a880c55f0c484746a54a9c0ca35dbc6f

SHA512
225eeeeac1d8d17545fc013a90d7f9c6148327b1b8fce2a876f8d6ae6d3830d6129170ff084ad602c8648d63d6f2be95785f7ba081660bb4717459112f089c07

Download Submit
C:\Windows\system32EWRL.exe

Filesize
471KB

MD5
9db739b6cc6f87cc09aa60428f94551a

SHA1
f8dad673918a9f342a90d8c0221423c90ae35fd7

SHA256
050dbbfa127d4db9f3fdf7efc1961dc2530a5affd1921818c053d7aaa07f1eda

SHA512
0f410d81d92dbeec6bbc17a3f6e296bc8e96544b45e7ca2209d832bcdce1b3993c43c1f1298d77bb03eff94bb0c27a7cb950d599a6572a2e4c929400edde5a2d

Download Submit
memory/3424-20-0x0000000000510000-0x0000000000511000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads