ardamax | cae00c17f5252b0ce39ad0e1711df18ccf847673bcb07c73fadeef9de8c66b89

General

Target

ef6a363febb40c65e539ceb4cacaf9fa_JaffaCakes118.exe
Size

610KB
MD5

ef6a363febb40c65e539ceb4cacaf9fa
SHA1

623782534d461355ceb8fa4e3abb80649e21fe19
SHA256

cae00c17f5252b0ce39ad0e1711df18ccf847673bcb07c73fadeef9de8c66b89
SHA512

24713399ff8701a1c04fc0b796b5818f59b0a2d3f40938fc9a85e51db723c1cb28d40ebdfff8452e49ee5936141b690f1044801b961eef213148317f9630ef47
SSDEEP

12288:jbsknBgIVUi8uXjAYInjB9QkH6ssuer6VDnXe77MPLVfPZtLv:HsknqIVOuTAYInN9QkTsJ6VjK7MPLV5d

Score

10^/10

ardamax defense_evasion discovery keylogger persistence stealer upx

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/0x000a000000023b99-35.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Install.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	UTLL.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	ef6a363febb40c65e539ceb4cacaf9fa_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
400	Install.exe
1580	OMFGZ MultiDll Injector.exe
1872	UTLL.exe

Loads dropped DLL 5 IoCs

pid	Process
400	Install.exe
1872	UTLL.exe
1872	UTLL.exe
1872	UTLL.exe
3648	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\UTLL Agent = "C:\\Windows\\SysWOW64\\28463\\UTLL.exe"	UTLL.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 System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\UTLL.001	Install.exe
File created	C:\Windows\SysWOW64\28463\UTLL.006	Install.exe
File created	C:\Windows\SysWOW64\28463\UTLL.007	Install.exe
File created	C:\Windows\SysWOW64\28463\UTLL.exe	Install.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	Install.exe
File opened for modification	C:\Windows\SysWOW64\28463	UTLL.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4324-0-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral2/memory/4324-27-0x0000000000400000-0x00000000004B1000-memory.dmp	upx

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
3648	1872	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 5 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef6a363febb40c65e539ceb4cacaf9fa_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Install.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OMFGZ MultiDll Injector.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UTLL.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	1872	UTLL.exe
Token: SeIncBasePriorityPrivilege	1872	UTLL.exe
Token: SeIncBasePriorityPrivilege	1872	UTLL.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1580	OMFGZ MultiDll Injector.exe
1872	UTLL.exe
1872	UTLL.exe
1872	UTLL.exe
1872	UTLL.exe
1872	UTLL.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 400	4324	ef6a363febb40c65e539ceb4cacaf9fa_JaffaCakes118.exe	82
PID 4324 wrote to memory of 400	4324	ef6a363febb40c65e539ceb4cacaf9fa_JaffaCakes118.exe	82
PID 4324 wrote to memory of 400	4324	ef6a363febb40c65e539ceb4cacaf9fa_JaffaCakes118.exe	82
PID 4324 wrote to memory of 1580	4324	ef6a363febb40c65e539ceb4cacaf9fa_JaffaCakes118.exe	83
PID 4324 wrote to memory of 1580	4324	ef6a363febb40c65e539ceb4cacaf9fa_JaffaCakes118.exe	83
PID 4324 wrote to memory of 1580	4324	ef6a363febb40c65e539ceb4cacaf9fa_JaffaCakes118.exe	83
PID 400 wrote to memory of 1872	400	Install.exe	89
PID 400 wrote to memory of 1872	400	Install.exe	89
PID 400 wrote to memory of 1872	400	Install.exe	89
PID 1872 wrote to memory of 3188	1872	UTLL.exe	97
PID 1872 wrote to memory of 3188	1872	UTLL.exe	97
PID 1872 wrote to memory of 3188	1872	UTLL.exe	97

C:\Users\Admin\AppData\Local\Temp\ef6a363febb40c65e539ceb4cacaf9fa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef6a363febb40c65e539ceb4cacaf9fa_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Users\Admin\AppData\Local\Temp\Install.exe
  "C:\Users\Admin\AppData\Local\Temp\Install.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:400
- - C:\Windows\SysWOW64\28463\UTLL.exe
    "C:\Windows\system32\28463\UTLL.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1872
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 1072
      4⤵
      Loads dropped DLL
      Program crash
      PID:3648
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\UTLL.exe > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:3188
- C:\Users\Admin\AppData\Local\Temp\OMFGZ MultiDll Injector.exe
  "C:\Users\Admin\AppData\Local\Temp\OMFGZ MultiDll Injector.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1872 -ip 1872
1⤵
PID:4620

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\@7C06.tmp

Filesize
4KB

MD5
ac2120f3b2fb824a5c1f3752dc944d21

SHA1
8bfbf3887103e886736e0802f88ed860a450856e

SHA256
fd9c203a32eec0afe4ab1e3ae02c68ac27649120bb3f0af68852ba487384ecaf

SHA512
474d77a27e3553aa58b394e77317a770f700f59580820741269e6c4746e664ce483a33a51baecd45ef4ac1a13e451a2c47d95c9abb79c7bc5cf902646f78c90f

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

Filesize
496KB

MD5
ce0fd89a91d1a8d29f4951dd6bf78a1c

SHA1
2f106b53df2f80f6ba07abffbeaa28a2cfc86848

SHA256
5b43598b11565e3dbd09b0d289c6fc8acf4ea3b83f569133129f69f3be056014

SHA512
474dc9937e0d9ce2402b79e9ea66b1495f8ce18bfdc2b856f00f33e4e58446663b0673c70bca928389949201d0be32cfaad768d3ea4dd9872f73c5b7c14a10d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\OMFGZ MultiDll Injector.exe

Filesize
152KB

MD5
ae3fbf5e8620b2da72687f7f969afc15

SHA1
2b502046eb2e5d40c710060fb410e29669a9fe4d

SHA256
bdafd2ccdd35823a3098aecde356dca14329c8010a7c32ca9b462849446a40e1

SHA512
b309ebbeb2a746961779034be6e0515eee8ae3774aa0bb679dd18bb1e5fa0c44d8d5dade0278c3fe282c1d1dc0697c2a32df1da7d6b59c0b71d6bc26f3b7979d

Download Submit
C:\Windows\SysWOW64\28463\AKV.exe

Filesize
407KB

MD5
33dc7c00c1d64022dcea78d2147a90a5

SHA1
21b50a05d4bbfe74c1df846d9268dc953f8050a3

SHA256
e6164ff194fb651a44db5a78d680bc19efe242f3f8e95f5aedbe1cc7f00ef4ef

SHA512
3f5e3db56d056d49b094b33ddcdae8c528ec19851daa9576f00cb347f628b82bbe045fee51d92cf5507822188e5bce17b745cbc6bad155fae16b73eb191bb98f

Download Submit
C:\Windows\SysWOW64\28463\UTLL.001

Filesize
488B

MD5
242f2d612001b37186ff52b5ef9176c1

SHA1
d48960e1d9fdb1ab18c4c1103e249d98295c5bae

SHA256
81b0e3bbca683e11031deddba304b33008323c8c0b03610af6b0b025c42e073d

SHA512
e41dfafdeb73653e2abc9ef8cdc2b95d9d349bc36fe08bf2c263c97a7d3b4d4c315975592e47a14ed5a6d59b1cb527639b3a3412f18e00f35773aa5e48991177

Download Submit
C:\Windows\SysWOW64\28463\UTLL.006

Filesize
8KB

MD5
8499922ab422c17e550a724083be50c7

SHA1
914aa24da69f9882d12d7d7cceae38de4dbcad1c

SHA256
894ff0262900acdc5b0266f75b2db829d3dec9a059f28888d5c0997d5b76db8a

SHA512
9d2e7619c7e8e459449a7f70d581ae52a1d33ba1c90b2a14812c2a44474451dc06e78a8e410aae5e7caf9306bbe739b1eeca1a1bc167498a982d9f1320dbbd1b

Download Submit
C:\Windows\SysWOW64\28463\UTLL.007

Filesize
5KB

MD5
b128c2f3eafaff6725ed554a2a21b72f

SHA1
377c206483b5348eb4b657363d29cae830be0b8c

SHA256
b9939a330a7cf6d9947a2b3ffb52170a35d5927e401016e7694fdd24ba1aa4ef

SHA512
3de5ec44becf7520d7ae32764b4636a1d727ab92d192fd92d725d6d308067e331f88e62f3cd9a4a334eb1d9e2ea44bf30f14ebd4e4f2877cdbd6b7bf0ed771c8

Download Submit
C:\Windows\SysWOW64\28463\UTLL.exe

Filesize
513KB

MD5
0c7a714b8e1d2ead2afc90dcc43bbe18

SHA1
66736613f22771f5da5606ed8c80b572b3f5c103

SHA256
800bdf00e09f302a17e22d26dffbea037e3c077ef9f6d1d585c114f079397a9e

SHA512
35db0de86c168eb6302dcbaa1e1f9ec96b5a8814e7067e1a7bb682e9f35fc06c51148a08e6f7df1e8caeb2effde555c53966a8922e8fef6b7ce194dc81c984b4

Download Submit
memory/4324-0-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/4324-27-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads