ardamax | e48ca2868999e3f428450ea1ef64afbe238e56711a0e586f1c6611f97aaa273c

General

Target

94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe
Size

518KB
MD5

94a0554fa30fac545de8366bd2584025
SHA1

1ac1b6ac296fec8a02bc558b18729e53065006e8
SHA256

e48ca2868999e3f428450ea1ef64afbe238e56711a0e586f1c6611f97aaa273c
SHA512

33db2773aa70db460217ba5c269b391a87bf6b0995e8dc197673b55be134a504a7187977421142f8343f6e9b7472211882d415810e5fd0a4a20c835a0f1c5989
SSDEEP

12288:FRXeDVVxVWbVUOvl8Rr0bMrTM1bgDmhu5sE9AOEyX/FidBHuf0GTUPm7kDtH:mDVVKnl8ebFHhu57tEDdBH0+htH

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/0x00070000000235a3-12.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	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4644	JJRK.exe

Loads dropped DLL 4 IoCs

pid	Process
2020	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe
4644	JJRK.exe
4644	JJRK.exe
4644	JJRK.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\JJRK Agent = "C:\\Windows\\SysWOW64\\Sys32\\JJRK.exe"	JJRK.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 10 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Sys32\JJRK.006	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\JJRK.007	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\JJRK.exe	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\JJRK.009	JJRK.exe
File opened for modification	C:\Windows\SysWOW64\Sys32\JJRK.009	JJRK.exe
File created	C:\Windows\SysWOW64\Sys32\JJRK.001	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\AKV.exe	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\JJRK.004	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\JJRK.003	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Sys32	JJRK.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	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JJRK.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4644	JJRK.exe
Token: SeIncBasePriorityPrivilege	4644	JJRK.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4644	JJRK.exe
4644	JJRK.exe
4644	JJRK.exe
4644	JJRK.exe
4644	JJRK.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 4644	2020	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe	93
PID 2020 wrote to memory of 4644	2020	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe	93
PID 2020 wrote to memory of 4644	2020	94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\94a0554fa30fac545de8366bd2584025_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\Sys32\JJRK.exe
  "C:\Windows\system32\Sys32\JJRK.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:4644

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=4288,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
1⤵
PID:4160

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:\Users\Admin\AppData\Local\Temp\@EEBF.tmp

Filesize
4KB

MD5
33303ca8abef9221cb410b8a232e9fe4

SHA1
0cdfc25dbf0e9ad7d4585cd9037dc2e6604be00c

SHA256
5110301dee966f0f26307ab1b430279d1e4999c2c4a0ea924ff32f1a9ded869a

SHA512
da29821045773ba776def985966b62e09e69bb5bf1786b16c2fff6feb68a03b9e22c5f7d081e3dd58d1785cd7ac64736497c043b7cf6c7149c3a54f8ef111800

Download Submit
C:\Windows\SysWOW64\Sys32\AKV.exe

Filesize
391KB

MD5
869461e168a87283a8782e70f5d5a3a8

SHA1
ab189b5f2682ae66162226b4f646b1e80486c653

SHA256
992cb5ea845b2d24c02f4e40873bf4ebd7b58b57ae2e001907228af4879e575b

SHA512
e4e77e07eb0ef2adb6d5ebdb9629f4632c417cf3d1a22e4c414b806bfbd259df13f6c88265f9346ed2b22bf67eb3d63924d86767c8508be4abdc9067f15a82ae

Download Submit
C:\Windows\SysWOW64\Sys32\JJRK.001

Filesize
476B

MD5
0356725e620ad4497b1a8251ea3e5fe1

SHA1
04279847e9456c9ee75b6325b7350ca86a117a6a

SHA256
2ad77775d1e49d2f811667fd3e18cc2a31f2623c4856e66c768de34f9143d997

SHA512
56b71e85d790df71a387af0378925c2b1c3acf037a40514c246ac0604a2ae7aa245cc35ccaf6a12988a760225554b1968ea0b7c736e0842e70a594150358213d

Download Submit
C:\Windows\SysWOW64\Sys32\JJRK.004

Filesize
14KB

MD5
1ac226b9bbc69b8c1232583e6f860adf

SHA1
55ff99f478470ca24290468580a2f1357bd09e86

SHA256
3957532d23d47062453c8e8e28a797944d3488cbac6805d81c1026ac61a1e856

SHA512
f015acbd4b0653b8893160e8342bcd31503902e743740a8e5da48d9cea592c9d6d31842a2302b6d1af13b900eddbc9fcc390d2245e64f88ef502769ca4adc2e0

Download Submit
C:\Windows\SysWOW64\Sys32\JJRK.006

Filesize
7KB

MD5
928cc65dc793834c709a054ca57c19c8

SHA1
a1e5d8407199c1bd6a4b274044de640fe0d9e99b

SHA256
e3473d81a02ed30e4236591384136f41f17b6a4aae24b5468789644ccd4bf192

SHA512
f7c8f7a75c4f8a418630e2ac15676740a902449d9a3c4baf3184409f8701c9caa3e82304d141362d95503f1af6b693eed7b77f690d92ca0162f7ea3ecbc80fdf

Download Submit
C:\Windows\SysWOW64\Sys32\JJRK.007

Filesize
5KB

MD5
3e1f5d5a06cf97b0495b8d129fbe02e4

SHA1
b0de258a813f5edde85004f6865b6ed91f6d6f8f

SHA256
f49448fc7c567e64eaeb9cc4dbd3c8021a82b5d9df0a622a439f7b42dc2f26d7

SHA512
b0e0b81cb5776d298e96346aa61027c9799a47191c94de50be2209c32747774959d002ddeb98fd15556ee893b0d7bd1f0c8a901469dce4e3acf94e2c4c3e2bfd

Download Submit
C:\Windows\SysWOW64\Sys32\JJRK.exe

Filesize
476KB

MD5
ef52b540cb404d908338e9cbf7cff283

SHA1
778765e1736c0a197685978c3fee7a44e7bde419

SHA256
39d8bdb975fbfcbcec8fe63be4e9fe6ce39ae5d23a005118aeffa07b17a3f815

SHA512
596b77bf5b15455c326a5a2efd66bc69685eb625e3e211ea0341ad4d8920ada7618a7107e42f2c0963fe6c2d92f2acf47b641ef33071a7c42004e5874d5219a6

Download Submit
memory/4644-26-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/4644-32-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads