ardamax | a71066ea671b34510250683cedb01e963557bcdb049807ae036576c69b1a92b2

General

Target

0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe
Size

818KB
MD5

0914b772b5a55169ff6043a091accce9
SHA1

4f130a2c70f54083104592edf6b35412ac385386
SHA256

a71066ea671b34510250683cedb01e963557bcdb049807ae036576c69b1a92b2
SHA512

44eaa0a3e7cb0da6737e168d064b84df7fb2815f9087b3a4e3b7e5ec00166eae34aba91deaefda15478718ac6abb2d4c1038c44211701e573f1c5b2745062bca
SSDEEP

24576:rZ8BZ3fc3uLdn1Ccz/LAWa/W+ay3OFUYd+4lipYMmqwF:l8BZNx1C+TEzVYd6AqwF

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/0x00070000000235fd-12.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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	UDOB.exe

Executes dropped EXE 1 IoCs

pid	Process
3400	UDOB.exe

Loads dropped DLL 5 IoCs

pid	Process
1076	0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe
3400	UDOB.exe
3400	UDOB.exe
3400	UDOB.exe
884	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\UDOB Agent = "C:\\Windows\\SysWOW64\\28463\\UDOB.exe"	UDOB.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\28463\UDOB.001	0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\UDOB.006	0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\UDOB.007	0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\UDOB.exe	0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	UDOB.exe

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
884	3400	WerFault.exe	88

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	3400	UDOB.exe
Token: SeIncBasePriorityPrivilege	3400	UDOB.exe
Token: SeIncBasePriorityPrivilege	3400	UDOB.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3400	UDOB.exe
3400	UDOB.exe
3400	UDOB.exe
3400	UDOB.exe
3400	UDOB.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 3400	1076	0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe	88
PID 1076 wrote to memory of 3400	1076	0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe	88
PID 1076 wrote to memory of 3400	1076	0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe	88
PID 3400 wrote to memory of 1844	3400	UDOB.exe	102
PID 3400 wrote to memory of 1844	3400	UDOB.exe	102
PID 3400 wrote to memory of 1844	3400	UDOB.exe	102

C:\Users\Admin\AppData\Local\Temp\0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0914b772b5a55169ff6043a091accce9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Windows\SysWOW64\28463\UDOB.exe
  "C:\Windows\system32\28463\UDOB.exe"
  2⤵
  - Checks computer location settings
  - 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
  - Suspicious use of WriteProcessMemory
  PID:3400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 1072
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:884
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\UDOB.exe > nul
    3⤵
    PID:1844

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 --no-appcompat-clear --field-trial-handle=4084,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4220 /prefetch:8
1⤵
PID:3276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3400 -ip 3400
1⤵
PID:3540

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\@143.tmp

Filesize
4KB

MD5
a55cbc0f0125b005ef369020b4c17806

SHA1
010af3e2e84b337e91f5e0c791b01e1d527211ce

SHA256
27cfe74936e4090aafbef07ee45725923f4b1243135e1e3a51e3385dbcd7b637

SHA512
88e5f7905c86d73bc5af028f20c8bf49f700307926c5b92814c245abe08e9c35841116d428ddbd7b957b47ccc8980684c12608b6818e4b6c1c8c0d27d54a07be

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

Filesize
457KB

MD5
46ccfd974518e5849738449034a05a17

SHA1
d391108816aed7ba8f7beb205ad7171c74eae6b2

SHA256
571aae1f8a260909dbc45c67b4c547fc573c07097b36d4e18db0e36d91deccfe

SHA512
773a40a37ebc54cbde7c40ca98001150e78da43726e475f1ee25ef869a39682c0fcd46fb57cf6130151cd8115aa6f2c196e57414affe464fd3b137eb5b317a7a

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

Filesize
386B

MD5
ed9d720543079a98bd5a8757aaa0b5bf

SHA1
3307dc48af3c1e1d48b57e1c0d13f5165cd002ee

SHA256
632be227e13845ddef3e756cef33a8178d2d1fbde1e66de2c3a7d77d81487e66

SHA512
5c1ead0a9d5da66a98695b392c0d504cc0a9ad4045ad0379305074ec9fe15a940f4112f89c83665423b0d02d34f656ba7e54492f253b158a83005316eb72213d

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

Filesize
8KB

MD5
395bbef326fa5ad1216b23f5debf167b

SHA1
aa4a7334b5a693b3f0d6f47b568e0d13a593d782

SHA256
7c1c4ba8978d3ec53bc6da4d8f9e5e1ca52edf5ccf5ec19ef06b02055ff3b3d1

SHA512
dc3f3d7501feb10623807e89f28a0e38bdbbd4a7e2ad964c8ab33c392bde61896fe40bb7773f6309cd59ad9a686decbd81c15b588ac8d311fd2a273ac9410679

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

Filesize
5KB

MD5
1b5e72f0ebd49cf146f9ae68d792ffe5

SHA1
1e90a69c12b9a849fbbac0670296b07331c1cf87

SHA256
8f4485675fe35b14276f5c8af8a6b42f03cf1b5de638355e4c4b28397385e87e

SHA512
6364f5581de5aaec09b5d1c4e5745193f981ff93cf91e20c6c9ff56566b5d182ccbdacf9aeed1d7a01460eb21619e14ac4ab31b083a951b45b3b7f9d93a62ffc

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

Filesize
912KB

MD5
6768ba61744862704760b66ce8f8fdd4

SHA1
e86cbed8cf20c2a9c76219d0c434bc310ffb2392

SHA256
4cf4bf2b7d2bb4215e255e1f2b1238ad989f3c8a98ebfd5cb033bccf32fedaa0

SHA512
eadb56b633707724ef4f47f8b421b0f3b2afa5a9800fae030f81aefae483eed6b494da470278273f388c3ae346a33cbbfe742924d231dab1c9b42bbefaf95a61

Download Submit
memory/3400-19-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/3400-25-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/3400-28-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/3400-30-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads