ardamax | b27d63c72e3e47b873a52e2f6fefb6734ee61069e0a3ab18b928603997a215ca

General

Target
5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe
Size 1.1MB
Sample240718-fe3qaayglc
SHA256 b27d63c72e3e47b873a52e2f6fefb6734ee61069e0a3ab18b928603997a215ca
MD5 5631bf5d23b66b46bdedec9ddf980e3a
SHA1 1fcc6b330a4478dc32ef3b31ff76fecb1ee4f746
SHA512 947a23b16c16c0e04d4749d66de0fa21c3675cdb11fccc24346d0a923256985defad11630d7b9a313e6dfec3039b54686fe24e4fb4ddda6f12dca89d7f1d05cb
SSDEEP 24576:1U/pT74yGLdSY9Pkcldq6s2G3dncagoBRDklwbYkk6/g1:aRT7iLdVGcq1LtgQRD2wbYQ/
MD5 SHA1 SHA512 SSDEEP

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/0x000700000002347e-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-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
744	OHI.exe

Loads dropped DLL 1 IoCs

pid	Process
744	OHI.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\OHI Start = "C:\\Windows\\SysWOW64\\SVOBKR\\OHI.exe"	OHI.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\SVOBKR\OHI.004	5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SVOBKR\OHI.001	5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SVOBKR\OHI.002	5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SVOBKR\AKV.exe	5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SVOBKR\OHI.exe	5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\SVOBKR\	OHI.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	744	OHI.exe
Token: SeIncBasePriorityPrivilege	744	OHI.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
744	OHI.exe
744	OHI.exe
744	OHI.exe
744	OHI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 744	3540	5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe	85
PID 3540 wrote to memory of 744	3540	5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe	85
PID 3540 wrote to memory of 744	3540	5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5631bf5d23b66b46bdedec9ddf980e3a_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\SVOBKR\OHI.exe
  "C:\Windows\system32\SVOBKR\OHI.exe"
  2⤵
  - 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:744

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

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Downloads

AKV.exe

Path C:\Windows\SysWOW64\SVOBKR\AKV.exe
Size 465KB
SHA256 d39b682a1de3541ce4858727a3206a0fb78d1e070e4dd60fab43c2537d1adfd9
MD5 4061e424a7e62d613aa16201364593c9
SHA1 84e5f41196523eddd24b62670ec8100632dbc933
SHA512 3290348c02db1d9125d80b6e240544d51b0805240e113397d85a3fbdf3421172c8dd23e5631525db9258b7eedcdc228df3082041a017c664593eac698773f5fa
SSDEEP 6144:RyfUZmYHiZBkULFNZQ8ee8A4QqBXa7lI/kVTMTnyBtjHuVZ:wiwBkUZNZQnot+XaDtjOVZ
MD5 SHA1 SHA512 SSDEEP

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OHI.001

Path C:\Windows\SysWOW64\SVOBKR\OHI.001
Size 61KB
SHA256 cf84d5704b350beaf1f2b46dc44bd372141d7554a8958ce22c0a84a3f21f2fe7
MD5 4eb04b9187bbf3e3c33bf95e74eb6262
SHA1 ca5dcaea5ef4ba48c0bb06635c0b5abed4f0f342
SHA512 aeaa608cd4f66ba817a7e8698d17f9801c9cedf99875decff39bc18cebdec3947f02566bdf21d9096e5a6a6b740717ab06d46a2a9605bf8e8fa0fee12fe17e81
SSDEEP 768:aZBmfBwsgxYm2zY+qMfY5ZAX2LED3xhK7PNzcGADJL5Fi5Ln45P:lpkx4s+j+6X24rxMPNzaBmm5
MD5 SHA1 SHA512 SSDEEP

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OHI.002

Path C:\Windows\SysWOW64\SVOBKR\OHI.002
Size 43KB
SHA256 02c4eef7045896258d00077e123719aa256c606f4e38c417965ba5f64d48e180
MD5 1aed6fee0870288cdb607393fc2f33a1
SHA1 584fd8d5ffbced19dd09b8b71cee9026c0ac65c6
SHA512 15e5b7843b07bcb4a638057b05712c66b285d70ace24ab3a4c125d24d538ace20cfac179accefa417d7790f7a095327affd3cd73d9eacaa632356f95a9fde3b8
SSDEEP 768:jiPg2UFRrG+cntb1EqE7/sdZxYvj/jGK2k16pNwMRgu:2Pga5nns/sdZxQ/C26JRgu
MD5 SHA1 SHA512 SSDEEP

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OHI.004

Path C:\Windows\SysWOW64\SVOBKR\OHI.004
Size 1KB
SHA256 0f4fccc799f143e54aae308b9d4781a661d1fb8934271a3508881cf23cdc6926
MD5 c8f338859095b948dc2dfe064763f346
SHA1 1449cadf6dac129b03e4fa9b637984c697927bd3
SHA512 ed359f7e8e99ad04dde2310e96b141c4c4202d8415bc47b8e1d67442ebbf96fe30a0db6cfcb8ccc7ae60439301423ce0d2781e3133092520b6cc25ad6aabb270
MD5 SHA1 SHA512

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OHI.exe

Path C:\Windows\SysWOW64\SVOBKR\OHI.exe
Size 1.5MB
SHA256 fac58547e80a1b9598261b6d2aa5175653831e507c57b6860bc5d04d2e754dff
MD5 865b02aa4fb68ac150953986e6f63f1c
SHA1 214190642d67f02c349e68f3f3c6ef0e9c2212d7
SHA512 473dc55a8a8f11d8445cef9cd8cabf8a9b227a6e47994ecfe9c86d41062641668d858e61b7ade1ad2801c5daa13d0630159b7ad241379e111c83564030c0a40e
SSDEEP 49152:3A9HOA0iccxcnwXRWEjyo4zwo8DtVJqpTLpwZY8TsHT:3A9HOA0iccxcnwXRWEeo4soQrqMET
MD5 SHA1 SHA512 SSDEEP

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memory/744-16-0x0000000000840000-0x0000000000841000-memory.dmp

Download

memory/744-18-0x0000000000840000-0x0000000000841000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads