ardamax | 485a37ce9d203a641cc316e3ba7a12514175c301413617e441d98c1d3ab14bf4

General

Target

bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe
Size

1.1MB
MD5

bdf81a9f625825c5c74e972d3e067f6c
SHA1

cdc0a805c123f535ae0335d692f4f1fbef0529cd
SHA256

485a37ce9d203a641cc316e3ba7a12514175c301413617e441d98c1d3ab14bf4
SHA512

d2c303be25f240fea3f714669af20557a5426c25ccde9aed4c903be15603e43799662f3a404db8587cdec832a5812289841087aac070da4af325978dc7f55dc4
SSDEEP

24576:6k/ATP73TEHe+yHuVxaZbkL5e4YsExDxirwsqWOriRqntaYvG5:joTT3TdH1mLo4YLxd48dORqEYvG

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023626-8.dat	family_ardamax

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4752	RBB.exe

Loads dropped DLL 2 IoCs

pid	Process
4752	RBB.exe
4764	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.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\RBB Start = "C:\\Windows\\SysWOW64\\JOGPAG\\RBB.exe"	RBB.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 created	C:\Windows\SysWOW64\JOGPAG\RBB.exe	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\JOGPAG\	RBB.exe
File created	C:\Windows\SysWOW64\JOGPAG\RBB.004	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\JOGPAG\RBB.001	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\JOGPAG\RBB.002	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\JOGPAG\AKV.exe	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.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 2 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	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RBB.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4752	RBB.exe
Token: SeIncBasePriorityPrivilege	4752	RBB.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4752	RBB.exe
4752	RBB.exe
4752	RBB.exe
4752	RBB.exe
4852	OpenWith.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 4752	4764	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe	91
PID 4764 wrote to memory of 4752	4764	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe	91
PID 4764 wrote to memory of 4752	4764	bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bdf81a9f625825c5c74e972d3e067f6c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\SysWOW64\JOGPAG\RBB.exe
  "C:\Windows\system32\JOGPAG\RBB.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:4752

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4852

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=4412,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4448 /prefetch:8
1⤵
PID:1932

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

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:\Windows\SysWOW64\JOGPAG\AKV.exe

Filesize
466KB

MD5
4c5711d8a02899113661bdff195d80d5

SHA1
263592abea6d60887defb4b1bcb47dbb383edfb6

SHA256
661eee852ace18c0fe63548e3ca276866b40dd0dce722f67976b8c4bfdb92195

SHA512
4b16ee6c75a169ad02c6b30d08efcd969ba8840adf49f6eeec3abbe8b9f5f288e1b1cfb4431711a74510a6973663335e43d256ae0dcd1a68f55331152a4f64ae

Download Submit
C:\Windows\SysWOW64\JOGPAG\RBB.001

Filesize
61KB

MD5
1226c67cfa7a94fd9181c73535dcd042

SHA1
08bf3926f6f210048f7b5bb7bf2ac81f69412fbb

SHA256
3bbe524ceb3068b241997981b3a04347c03034500beb07ae45da1d6c62dd25c2

SHA512
0ef8a799f6df0960b96f5dfdf378464f1343276ac7410ebbcdecb2964b6906c3d70a5946651ba0e1008ab3686118e2effd74449ed2944b0366757bf2fd57ada0

Download Submit
C:\Windows\SysWOW64\JOGPAG\RBB.002

Filesize
43KB

MD5
b2bcd668abf17ee408d232cc636614b2

SHA1
c354f941121515536c4f0d9ae49ed1a9b28534b4

SHA256
563f5e99f0beb961ecf6a8284bf41fee3e85d6f63cdff1669438f5a2168bfd99

SHA512
ba1be164de5919ae45f4bedfebe7e7799626b457f07b42fc43b8912f2932955833617b45e147e2e4d406f57f57f50c1869aa611db18a569919395e42fa53a702

Download Submit
C:\Windows\SysWOW64\JOGPAG\RBB.004

Filesize
1KB

MD5
13d170fd3b3150744172e4e8275a430c

SHA1
3f95a318b64318908ac3096d5ce2af53b8cfe41d

SHA256
212daa63bf917cebb6521aebf0f8090dcdb4c82f2b04e8355e651aa4b2a3e3d4

SHA512
17730e60cd9caaeafa2d89490cc303481ec08206983b21dcc24a5028e614ca24ddf45649e5a91288ca502161e08da86743403a76235b3e6705f34e9ec290c02b

Download Submit
C:\Windows\SysWOW64\JOGPAG\RBB.exe

Filesize
1.5MB

MD5
a9ea3f61a57b36cde9953afd91f18d34

SHA1
e7e931b96b6e39b64a2a38d704bbe9561a234cbc

SHA256
accbdc6de9b6b671e6dc5bda9f1f983fbfcaa07467fbf6eabd25b9d5314d82ec

SHA512
0a6a42a772a3afd66233d9d3abb962b3a8cbf3d6e0e719352795b6441a148617dbe788991f0cead29d4b1540726504c9c56bebd9836ae6263b82a121fafd89fc

Download Submit
memory/4752-18-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/4752-21-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads