ardamax | d8d09913222a33936e95b3dcd7643a35b2b2cbcc7d6bcf4de6c065e0da24db07

General

Target

796ec8c79371010a515f4ff6530cd5e1_JaffaCakes118.exe
Size

508KB
MD5

796ec8c79371010a515f4ff6530cd5e1
SHA1

ea6cf1054ced513fe997fa52fdddd30ec742f4fa
SHA256

d8d09913222a33936e95b3dcd7643a35b2b2cbcc7d6bcf4de6c065e0da24db07
SHA512

0a5095c862308de71deb7d84d92baf57d290218e58ff944f582084866b5d195f0c01b1ada5a432e47cb1c68103b2d23c960c1b1abb3e84a9ded17667e9e2a613
SSDEEP

6144:pQEIAXq9oJNOk6QVno9bk1aWSCvZ4hFsxW+yDAx/cn2wtvS2wMO6h0VDY0O/orRF:FfmMidkx9Z4Psxv/02wtvgVcRoeuxKa

Score

10^/10

ardamax defense_evasion 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/0x0007000000023c8a-22.dat	family_ardamax

Checks computer location settings 2 TTPs 3 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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	796ec8c79371010a515f4ff6530cd5e1_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	Exporer32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	BQSG.exe

Executes dropped EXE 2 IoCs

pid	Process
4444	Exporer32.exe
1864	BQSG.exe

Loads dropped DLL 5 IoCs

pid	Process
4444	Exporer32.exe
1864	BQSG.exe
1864	BQSG.exe
1864	BQSG.exe
3020	WerFault.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\BQSG Agent = "C:\\Windows\\Sys32\\BQSG.exe"	BQSG.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 8 IoCs

description	ioc	Process
File created	C:\Windows\Sys32\BQSG.007	Exporer32.exe
File created	C:\Windows\Sys32\BQSG.exe	Exporer32.exe
File created	C:\Windows\Sys32\AKV.exe	Exporer32.exe
File opened for modification	C:\Windows\Sys32	BQSG.exe
File created	C:\Windows\Sys32\BQSG.009	BQSG.exe
File opened for modification	C:\Windows\Sys32\BQSG.009	BQSG.exe
File created	C:\Windows\Sys32\BQSG.001	Exporer32.exe
File created	C:\Windows\Sys32\BQSG.006	Exporer32.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3020	1864	WerFault.exe	90

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	796ec8c79371010a515f4ff6530cd5e1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Exporer32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BQSG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	1864	BQSG.exe
Token: SeIncBasePriorityPrivilege	1864	BQSG.exe
Token: SeIncBasePriorityPrivilege	1864	BQSG.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1052	796ec8c79371010a515f4ff6530cd5e1_JaffaCakes118.exe
1864	BQSG.exe
1864	BQSG.exe
1864	BQSG.exe
1864	BQSG.exe
1864	BQSG.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 4444	1052	796ec8c79371010a515f4ff6530cd5e1_JaffaCakes118.exe	89
PID 1052 wrote to memory of 4444	1052	796ec8c79371010a515f4ff6530cd5e1_JaffaCakes118.exe	89
PID 1052 wrote to memory of 4444	1052	796ec8c79371010a515f4ff6530cd5e1_JaffaCakes118.exe	89
PID 4444 wrote to memory of 1864	4444	Exporer32.exe	90
PID 4444 wrote to memory of 1864	4444	Exporer32.exe	90
PID 4444 wrote to memory of 1864	4444	Exporer32.exe	90
PID 1864 wrote to memory of 4836	1864	BQSG.exe	110
PID 1864 wrote to memory of 4836	1864	BQSG.exe	110
PID 1864 wrote to memory of 4836	1864	BQSG.exe	110

C:\Users\Admin\AppData\Local\Temp\796ec8c79371010a515f4ff6530cd5e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\796ec8c79371010a515f4ff6530cd5e1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Users\Admin\AppData\Local\Temp\Exporer32.exe
  "C:\Users\Admin\AppData\Local\Temp\Exporer32.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4444
- - C:\Windows\Sys32\BQSG.exe
    "C:\Windows\Sys32\BQSG.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 1120
      4⤵
      Loads dropped DLL
      Program crash
      PID:3020
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Windows\Sys32\BQSG.exe > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:4836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1864 -ip 1864
1⤵
PID:4128

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

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

C:\Users\Admin\AppData\Local\Temp\@A642.tmp

Filesize
3KB

MD5
e6d3a1562e0a2d9230e4bfd7e477dffd

SHA1
ef5d510e60caef4924eced60c092a63e9233b375

SHA256
49ee7df841542ff4fc5232bd8244f06683cc70f8af5f861b94497b504208b3ab

SHA512
e6d866daf96ad912d4ad69324d9f89820d15dd2a8d34aba5b3392aa5f6a67931f988080a25fa09067f81024180a3a4c0e211a80405b56e6663481fce7ffa1177

Download Submit
C:\Users\Admin\AppData\Local\Temp\Exporer32.exe

Filesize
488KB

MD5
d8b7bf10ae61a385f06865821043b223

SHA1
03e7c152df0edd41fc8d74f26e8edf4f375822e4

SHA256
4ce344c14a59465eee6f4ee6d4dae4943268e861a436a84d7f52c98fffd906a9

SHA512
50d335f8bdc4a09fc09fcbc9f6b466eaa04796d24d3a89843349abc51f0fb5976ca8c3bc3da39cef1a090a26d514a96777a5b18d180bbd36b603187b5f876ff9

Download Submit
C:\Windows\Sys32\AKV.exe

Filesize
389KB

MD5
f567d932480c03ab1de08b1b72aada97

SHA1
92c60c8971cf6aa88baf945c61c3a40709c03e02

SHA256
565e67c1959c0dec7be32b308681ec7106cde58b1b409cc21cbc642b7a6d627f

SHA512
2c9bac11470c2ff211054df00f252c312d6d2e0aea4349b03072934f8ce2623fb365c64c0eb56a08440e4daabd11799e03b158733a9922fc05ebc7782c67b3fe

Download Submit
C:\Windows\Sys32\BQSG.001

Filesize
354B

MD5
2a1cdd5db7ea5d8846504a8c0d072a16

SHA1
ada1922020ea6fda748cf6f531d9834b94b39ce1

SHA256
7889944c39bbd67befb7f608023467c9f88b85a40723cf5070d41b8df8327e99

SHA512
fc017a1228774e12eab29d18c0800f9bb1c4e9273734e993652b6f7ba5c0baf47ffc77b40cf68607ec85ee2b42093311cbefe25f0e7afccdfe7a9769bc840cc7

Download Submit
C:\Windows\Sys32\BQSG.006

Filesize
7KB

MD5
02d9f210aac7049c13f026ba9898a9bd

SHA1
b6aae5e7fae29934042af5f6a6d51a52b51265a1

SHA256
43b9f2d721ec6e419b865639dead7ba29202839f967ba172f479977db8ea4e9b

SHA512
dda86da60ab27f2c05ebd8e7d4b709771da0edb22ba406336898e4e7e5c2febbfe9d81fb946d6440f6393e0f8c25ae61125e4ff3e8aa168c1e36a63e89999466

Download Submit
C:\Windows\Sys32\BQSG.007

Filesize
5KB

MD5
5b9bf404722eac0ff29f1609f4e938ac

SHA1
4a0dc9cf5f7cb6855b4f2745646c4a3dcf995ba2

SHA256
45e39c6673b2e580e6cc01f2213dcc4d93da2eb561c94066506d90ceea8c3522

SHA512
50b6689db1e052d39ee1abf3ddab19b64f99ba48460fa75abf5e467d79d99958aa0a9524f3ad0d91d48cfd429ed09cfca068446287d8373974b7583eafc0fd29

Download Submit
C:\Windows\Sys32\BQSG.exe

Filesize
475KB

MD5
d0c5feb812ca765b00a3ca0e974fabd2

SHA1
c5a4b5aee6b92019552f811d3ceb4fdcee0105fa

SHA256
cd2de8b54a5de630e03177a736a35f85a1f8d8367a392ed833fb6fee29c96440

SHA512
fb4e5bda23453484f0d0c4cc3bdc1f29a36be56281f558f356b579996bde15290a9dfbbc018ffe86e2304832a2898710f0331b7f3cd181d16930e2abbdfaafe8

Download Submit
memory/1864-33-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/1864-37-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads