ardamax | 0422d1fbfdca89d4197b4f1620bf83077339463c200538846754ae4ac57b825e

General

Target

27eccbde63f6ff70152f5700ed24299d_JaffaCakes118.exe
Size

345KB
MD5

27eccbde63f6ff70152f5700ed24299d
SHA1

17fade0059e26df9777293c2de6ea95a4e148fe2
SHA256

0422d1fbfdca89d4197b4f1620bf83077339463c200538846754ae4ac57b825e
SHA512

8d84381f71a13e1d0febc6b62bcfe986c9a5b269fcab81d5396d7d00b1a0d0cef8b625b835b0be6cd193dc0dc9b4510b96c866093425f423255bea56475a1cfa
SSDEEP

6144:gR51w17omW2dW82ZJRovOIzgLm5v4UMohHZcj5kB3Yo3klqW1Hl:QT0djtzgLK4DoykxYo3kZ

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/0x000700000002344f-21.dat	family_ardamax

Checks computer location settings 2 TTPs 2 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-1-5-21-771719357-2485960699-3367710044-1000\Control Panel\International\Geo\Nation	27eccbde63f6ff70152f5700ed24299d_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\Control Panel\International\Geo\Nation	Install.exe

Executes dropped EXE 2 IoCs

pid	Process
2716	Install.exe
2540	UWEL.exe

Loads dropped DLL 4 IoCs

pid	Process
2716	Install.exe
2540	UWEL.exe
2540	UWEL.exe
2540	UWEL.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\UWEL Agent = "C:\\Windows\\SysWOW64\\28463\\UWEL.exe"	UWEL.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 5 IoCs

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

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2540	UWEL.exe
Token: SeIncBasePriorityPrivilege	2540	UWEL.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2540	UWEL.exe
2540	UWEL.exe
2540	UWEL.exe
2540	UWEL.exe
2540	UWEL.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 2716	4968	27eccbde63f6ff70152f5700ed24299d_JaffaCakes118.exe	85
PID 4968 wrote to memory of 2716	4968	27eccbde63f6ff70152f5700ed24299d_JaffaCakes118.exe	85
PID 4968 wrote to memory of 2716	4968	27eccbde63f6ff70152f5700ed24299d_JaffaCakes118.exe	85
PID 2716 wrote to memory of 2540	2716	Install.exe	86
PID 2716 wrote to memory of 2540	2716	Install.exe	86
PID 2716 wrote to memory of 2540	2716	Install.exe	86

C:\Users\Admin\AppData\Local\Temp\27eccbde63f6ff70152f5700ed24299d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\27eccbde63f6ff70152f5700ed24299d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4968
- 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
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\28463\UWEL.exe
    "C:\Windows\system32\28463\UWEL.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2540

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\@FD1D.tmp

Filesize
4KB

MD5
27092ec75c1839f36bfe900a38acc484

SHA1
fe14b750a0ed653246c5f358891f8c1241913bb2

SHA256
e6e29699840ae26c452227f9a1c9fd0e3cda0c2413c4255df9fc066c47af0e07

SHA512
815477e8681e38dd3110171adbaf06738eb9d63839671a959a296ec1a1fb17d788682dde5e6a1f0bffa3b4deda4577292ffa37ce10b95ad14276ffcd0795ac0b

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

Filesize
271KB

MD5
49d437dac67bb4bfc08fc2f361b2bb8c

SHA1
6e69e0788740348fa8d3ca8f32d92bda9be97f52

SHA256
1c1ffbb79f50ebd60c7762e72bb3d14e6dc670adf1f0dfffcd248739e8e4f584

SHA512
e90a1b451516dccea06bf9b132e8bc5810d291542ab14b8479f169ac472d113bf6dfcbd6f03609b3089b864bc015d32b18d21c13ea6d312e231e30e9dba0d613

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

Filesize
408B

MD5
81accaf08dd571b4fd7010b10a08531f

SHA1
2e395a9c03eecd9672199ddef588c1961a600750

SHA256
4c13b94409e19d0839742ca4c88c8a69705afdba35eb4960e654e4acead486c0

SHA512
cec379ca888721155ec01aaf98c081b9cc1166de44cec60c5432d61ea2df8d016c990260e7dd73ef16aafb18ca63a3f88d9b3b6308a8a283f3be733abe05420c

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

Filesize
8KB

MD5
aae8ccee5d5eed5748d13f474123efea

SHA1
6da78da4de3b99a55fad00be2ec53a3ad3bd06ae

SHA256
10c464d1675774e0282171555d59fb8975ed6c0e6a781182490f48e66823a5b8

SHA512
d370e1ffeeb81b3f07b83a9cf1e3b44635fde7aa6ac999bccafece8091dbf96f0a78257bb0e03b3689dc47fb4e96ec7deac7848a43ddef62afc9b8cc665ee8bd

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

Filesize
5KB

MD5
40685d22d05d92462a2cfc1bba9a81b7

SHA1
f0e19012d0ed000148898b1e1264736bed438da8

SHA256
cdca1e5bc4c5129caa8eeddf637c820b6241c8790ce1a341e38e8324ae95afa0

SHA512
21961d2dd118b45bde4cf00b4570712791a22769d05afb5b6c54355b0aaee9b7f7de00b357845349ef957807452365134d51e11181d2d45f98ed0cc9402de90b

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

Filesize
473KB

MD5
339ae4ce820cda75bbb363b2ed1c06fd

SHA1
62399c6102cc98ed66cbcd88a63ff870cf7b2100

SHA256
1e4a463ac0d463cee1f52f9529474484157c85d671aea1ab5f4173df12de01b6

SHA512
5da8b333a839c4b169c6f4c9a1929918f166a895af7818c8223df7ed22279aac3b6ef88f89ee083a4f475f82ec6078f8e9800a9afc9547712245d090636a284a

Download Submit
memory/2540-30-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/2540-34-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads