ardamax | 2330091e635e5ca594f0db56d3c2d842b0e3da5cf109533c2a97f1c160a02f98

General

Target

JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe
Size

592KB
MD5

bfd25b58d303297ce9ac9555237ff9d8
SHA1

8887bfc2f3ef6d784c9f5dcbc0d6b727fbdd598b
SHA256

2330091e635e5ca594f0db56d3c2d842b0e3da5cf109533c2a97f1c160a02f98
SHA512

d904de791f8a909551594eda66b544910de5c80ba5bf5d5e2b9febcc4ef6c725cb64e6ee877b0b34bd1ec08c6b08130fefa2f733e45a2225054f2d1254792dfd
SSDEEP

12288:55t2N/7PTkESWw5nJzAPNuNdIT8YG6CltCGo1iPTvZ/CFlWMRSRLH:d2JaMYYG63Go16TvZ1MRc

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/0x001c00000002b168-12.dat	family_ardamax

Executes dropped EXE 2 IoCs

pid	Process
2156	GHKM.exe
3168	GHKM.exe

Loads dropped DLL 11 IoCs

pid	Process
244	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe
2156	GHKM.exe
2156	GHKM.exe
2156	GHKM.exe
3168	GHKM.exe
3168	GHKM.exe
3168	GHKM.exe
244	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe
244	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe
244	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe
244	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.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\GHKM Agent = "C:\\Windows\\SysWOW64\\28463\\GHKM.exe"	GHKM.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

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\28463	GHKM.exe
File created	C:\Windows\SysWOW64\28463\GHKM.001	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe
File created	C:\Windows\SysWOW64\28463\GHKM.006	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe
File created	C:\Windows\SysWOW64\28463\GHKM.007	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe
File created	C:\Windows\SysWOW64\28463\GHKM.exe	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.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_bfd25b58d303297ce9ac9555237ff9d8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GHKM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GHKM.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4144164418-4152157973-2926181071-1000_Classes\Local Settings	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe
Key created	\REGISTRY\USER\S-1-5-21-4144164418-4152157973-2926181071-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2156	GHKM.exe
Token: SeIncBasePriorityPrivilege	2156	GHKM.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2156	GHKM.exe
2156	GHKM.exe
2156	GHKM.exe
2156	GHKM.exe
2156	GHKM.exe
4932	OpenWith.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 244 wrote to memory of 2156	244	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe	78
PID 244 wrote to memory of 2156	244	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe	78
PID 244 wrote to memory of 2156	244	JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe	78
PID 1424 wrote to memory of 3168	1424	cmd.exe	82
PID 1424 wrote to memory of 3168	1424	cmd.exe	82
PID 1424 wrote to memory of 3168	1424	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bfd25b58d303297ce9ac9555237ff9d8.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:244
- C:\Windows\SysWOW64\28463\GHKM.exe
  "C:\Windows\system32\28463\GHKM.exe"
  2⤵
  - 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
  PID:2156

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\28463\GHKM.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Windows\SysWOW64\28463\GHKM.exe
  C:\Windows\SysWOW64\28463\GHKM.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3168

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4932

Network

MITRE ATT&CK Enterprise v16

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

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

C:\Users\Admin\AppData\Local\Temp\@691A.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

Download Submit
C:\Users\Admin\AppData\Local\Temp\lol.bmp

Filesize
3.8MB

MD5
c377cd87e13777296f5b86fb5608879d

SHA1
ef5c32f19a7167ff16b68e51b7d5b460dce6ffcd

SHA256
fc4cb66b77a83285cb99d798d5e112e7a500a5ca951878c6011a87a3c53cd679

SHA512
b0caa541b9c08e85347161dda38d91e81052617ed26170743c97e53fcc7a70fe610c3704be739153997aa807f973bb158ede4cc31ccc8a444d0f8ad157965fa0

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

Filesize
395KB

MD5
b8fa30233794772b8b76b4b1d91c7321

SHA1
0cf9561be2528944285e536f41d502be24c3aa87

SHA256
14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

SHA512
10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

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

Filesize
358B

MD5
4d2391359468ee78cf5028889a9853a3

SHA1
8ad596fb297423d7d12adef227163ccc93fcf4bb

SHA256
5c1533b7c88e1780f58271cae8e5ae3bbfabaf8b161c48caaaa4993ae93cc651

SHA512
001351139b6df53f5feb5980e9951ad580610dfdfdda726290ebcc08a13933d42b13200844514ae1b09d868dbbb269bc803eb7735a3b9c01e0582452a0b430c7

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

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

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/2156-22-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/2156-40-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads